current, voltage, resistance, concept of conductor and insulator
N5C
11 1 1
Ohm's Law (simple calculations) energy and power, open and short circuits
N5D
15 1 1
Frequency, including AC vs. DC, frequency units, AF vs. RF and wavelength
N6A
13 1 1
Function and schematic representation of resistor, switch, fuse, or battery
N6B
13 1 1
Function and schematic of ground, antenna, transistor, IC, tube
N7A
19 1 1
Layout of station components
N7B
13 1 1
Station layout for various emission types
N8A
11 1 1
CW, phone, RTTY and data emission types
N8B
16 1 1
Unwanted signals, chirp, hum, reducing interference to others
N9A
13 1 1
Wavelength vs. antenna length, multiband antenna advantages/disadvantages
N9B
11 1 1
Yagi parts, concept of directional antennas
N9C
12 1 1
Feed lines, baluns and polarization via element orientation
N0A
11 1 1
RF safety fundamentals
N0B
14 1 1
RF safety terms and definitions
N0C
27 1 1
RF safety rules and guidelines
N0D
11 1 1
Routine station evaluation
N0E
17 1 1
Practical applications
[text]
N1A01
What document contains the rules and regulations for the amateur service in the US?
Part 97 of Title 47 CFR (Code of Federal Regulations)
The Communications Act of 1934 (as amended)
The Radio Amateur's Handbook
The minutes of the International Telecommunication Union meetings
A
1000 0
N1A02
Who makes and enforces the rules and regulations of the amateur service in the US?
The Congress of the United States
The Federal Communications Commission (FCC)
The Volunteer Examiner Coordinators (VECs)
The Federal Bureau of Investigation (FBI)
B
1001 0
N1A03
Which three topics are part of the rules and regulations of the amateur service?
Station operation standards, technical standards, emergency communications
Notices of Violation, common operating procedures, antenna lengths
Frequency band plans, repeater locations, Ohm's Law
Station construction standards, FCC approved radios, FCC approved antennas
A
1002 0
N1A04
Which of these topics is NOT part of the rules and regulations of the amateur service?
Qualifying examination systems
Technical standards
Providing emergency communications
Station construction standards
D
1003 0
N1A05
What are three reasons that the amateur service exists?
To recognize the value of emergency communications, advance the radio art, and improve communication and technical skills
To learn about business communications, increase testing by trained technicians, and improve amateur communications
To preserve old radio techniques, maintain a pool of people familiar with early tube-type equipment, and improve tube radios
To improve patriotism, preserve nationalism, and promote world peace
A
1004 0
N1A06
What are two of the five purposes for the amateur service?
To protect historical radio data, and help the public understand radio history
To help foreign countries improve communication and technical skills, and encourage visits from foreign hams
To modernize radio schematic drawings, and increase the pool of electrical drafting people
To increase the number of trained radio operators and electronics experts, and improve international goodwill
D
1005 0
N1A07
What is the definition of an amateur operator?
A person who has not received any training in radio operations
A person to whom the FCC has granted a license in the amateur service
A person who has very little practice operating a radio station
A person who is in training to become the control operator of a radio station
B
1006 0
N1A08
What is the definition of the amateur service?
A private radio service used for profit and public benefit
A public radio service for US citizens that requires no exam
A personal radio service used for self-training, communication, and technical studies
A private radio service used for self-training of radio announcers and technicians
C
1007 0
N1A09
What is the definition of an amateur station?
A station in a public radio service used for radiocommunications
A station using radiocommunications for a commercial purpose
A station using equipment for training new radiocommunications operators
A station in the Amateur Radio service used for radiocommunications
D
1008 0
N1A10
What is the definition of a control operator of an amateur station?
Anyone who operates the controls of the station
Anyone who is responsible for the station's equipment
Any licensed amateur operator who is responsible for the station's transmissions
The amateur operator with the highest class of license who is near the controls of the station
C
1009 0
N1A11
What is a Volunteer Examiner (VE)?
A certified instructor who volunteers to examine amateur teaching manuals
An FCC employee who accredits volunteers to administer amateur license exams
An amateur, accredited by one or more VECs, who volunteers to administer amateur license exams
An amateur, registered with the Electronic Industries Association, who volunteers to examine amateur station equipment
C
1010 0
N1B01
Which of the following must you have an amateur license to do?
Transmit on public-service frequencies
Retransmit shortwave broadcasts
Repair broadcast station equipment
Transmit on amateur service frequencies
D
1011 0
N1B02
What does an amateur license allow you to control?
A shortwave-broadcast station's transmissions
An amateur station's transmissions
Non-commercial FM broadcast transmissions
Any type of transmitter, as long as it is used for non- commercial transmissions
B
1012 0
N1B03
Which of the following is required before you can operate an amateur station in the US?
You must hold an FCC operator's training permit for a licensed radio station
You must submit an FCC Form 610 together with a license examination fee
The FCC must grant you an amateur operator/primary station license
The FCC must issue you a Certificate of Successful Completion of Amateur Training
C
1013 0
N1B04
Where does a US amateur license allow you to operate?
Anywhere in the world
Wherever the amateur service is regulated by the FCC
Within 50 km of your primary station location
Only at the mailing address printed on your license
B
1014 0
N1B05
How many transmitters may a Novice licensee control at the same time?
Only one
No more than two
Any number
Any number, as long as they are transmitting in different bands
C
1015 0
N1B06
What must happen before you are allowed to operate an amateur station?
The FCC database must show that you have been granted an amateur license
You must have written authorization from the FCC
You must have written authorization from a Volunteer Examiner Coordinator
You must have a copy of the FCC Rules, Part 97, at your station location
A
1016 0
N1B07
Which one of the following does NOT allow a person to control a US amateur station?
An operator/primary station license from the FCC
A reciprocal permit from the FCC for alien amateur licensee
An amateur service license from the United Nations Secretary of Communications
An amateur service license from the Government of Canada, if it is held by a Canadian citizen
C
1017 0
N1B08
What is the FCC's full name for an amateur station license?
Restricted operating permit
General radiotelephone operator license
Amateur operator/primary station license
Amateur telegraphers radio station permit
C
1018 0
N1B09
What document indicates your amateur station call sign?
Your operator/primary station license
The FCC's rules and regulations (Part 97)
None; you may choose any call sign you want
FCC Form 610, Application for Amateur License
A
1019 0
N1B10
What are the six US amateur operator license classes?
Beginner, Novice, Communicator, General, Advanced, Expert
Novice, Technician, Technician Plus, General, Advanced, Expert
Communicator, Novice, Digital, Technician, General, Amateur Extra
Novice, Technician, Technician Plus, General, Advanced, Amateur Extra
D
1020 0
N1B11
What does the FCC consider to be the first two classes of US amateur operator licenses (one or the other of which most new amateurs initially hold)?
Novice and Technician
CB and Communicator
Novice and General
CB and Novice
A
1021 0
N1B12
Which of the following would NOT be a new privilege if you upgraded your license class beyond the Novice level?
More operating frequencies
Higher transmitting power
Authority to prepare amateur license exams
Authority to send third-party messages
D
1022 0
N1B13
Which US amateur license has no Morse code requirements?
Amateur Extra
Advanced
General
Technician
D
1023 0
N1C01
What are the frequency limits of the 80-meter Novice band?
3500 - 4000 kHz
3675 - 3725 kHz
7100 - 7150 kHz
7000 - 7300 kHz
B
1024 0
N1C02
What are the frequency limits of the 40-meter Novice band in ITU Region 2?
3500 - 4000 kHz
3700 - 3750 kHz
7100 - 7150 kHz
7000 - 7300 kHz
C
1025 0
N1C03
What are the frequency limits of the 15-meter Novice band?
21.100 - 21.200 MHz
21.000 - 21.450 MHz
28.000 - 29.700 MHz
28.100 - 28.200 MHz
A
1026 0
N1C04
What are the frequency limits of the 10-meter Novice band?
28.000 - 28.500 MHz
28.100 - 29.500 MHz
28.100 - 28.500 MHz
29.100 - 29.500 MHz
C
1027 0
N1C05
What are the frequency limits of the 1.25-meter Novice band in ITU Region 2?
225.0 - 230.5 MHz
222.0 - 225.0 MHz
224.1 - 225.1 MHz
220.0 - 226.0 MHz
B
1028 0
N1C06
What are the frequency limits of the 23-centimeter Novice band?
1260 - 1270 MHz
1240 - 1300 MHz
1270 - 1295 MHz
1240 - 1246 MHz
C
1029 0
N1C07
If you are operating on 3710 kHz, in what amateur band are you operating?
80 meters
40 meters
15 meters
10 meters
A
1030 0
N1C08
If you are operating on 7135 kHz, in what amateur band are you operating?
80 meters
40 meters
15 meters
10 meters
B
1031 0
N1C09
If you are operating on 21.165 MHz, in what amateur band are you operating?
80 meters
40 meters
15 meters
10 meters
C
1032 0
N1C10
If you are operating on 28.400 MHz, in what amateur band are you operating?
80 meters
40 meters
15 meters
10 meters
D
1033 0
N1C11
If you are operating on 223.50 MHz, in what amateur band are you operating?
15 meters
10 meters
2 meters
1.25 meters
D
1034 0
N1D01
Who can become an amateur licensee in the US?
Anyone except a representative of a foreign government
Only a citizen of the United States
Anyone except an employee of the US government
Anyone
A
1035 0
N1D02
What age must you be to hold an amateur license?
14 years or older
18 years or older
70 years or younger
There are no age limits
D
1036 0
N1D03
What minimum examinations must you pass for a Novice amateur license?
A. A written exam, Element 1(A); and a 5-WPM code exam, Element 2(A)
B. A 5-WPM code exam, Element 1(A); and a written exam, Element 3(A)
A 5-WPM code exam, Element 1(A); and a written exam, Element 2
A written exam, Element 2; and a 5 WPM code exam, Element 4
C
1037 0
N1D04
Why must an amateur operator have a current US postal mailing address?
So the FCC has a record of the location of each amateur station
To follow the FCC rules and so the licensee can receive mail from the FCC
Because all US amateurs must be US residents
So the FCC can publish a call-sign directory
B
1038 0
N1D05
What can you do to replace your license document if it is lost, mutilated or destroyed?
Nothing; the FCC does not replace license documents
Send a change of address request to the FCC using a current FCC Form 610
Retake all examination elements for your license
Ask the FCC for a replacement, explaining what happened to the original
D
1039 0
N1D06
What must you do to notify the FCC if your mailing address changes?
Fill out an FCC Form 610 using your new address, attach a copy of your license, and mail it to your local FCC Field Office
Fill out an FCC Form 610 using your new address, attach a copy of your license, and mail it to the FCC office in Gettysburg, PA
Call your local FCC Field Office and give them your new address over the phone
Call the FCC office in Gettysburg, PA, and give them your new address over the phone
B
1040 0
N1D07
Which of the following call signs is a valid US amateur call?
UZ4FWD
KBL7766
KA1TMJ
VE3BKJ
C
1041 0
N1D08
What letters must be used for the first letter in US amateur call signs?
K, N, U and W
A, K, N and W
A, B, C and D
A, N, V and W
B
1042 0
N1D09
What numbers are normally used in US amateur call signs?
Any two-digit number, 10 through 99
Any two-digit number, 22 through 45
A single digit, 1 though 9
A single digit, 0 through 9
D
1043 0
N1D10
For how many years is a new amateur license normally issued?
2
5
10
15
C
1044 0
N1D11
How soon before the expiration date of your license should you send the FCC a completed Form 610 for a renewal?
No more than 90 days
No more than 30 days
Within 6 to 9 months
Within 6 months to a year
A
1045 0
N1D12
How soon after you pass the elements required for your first Amateur Radio license may you transmit?
Immediately
30 days after the test date
As soon as the FCC grants you a license
As soon as you receive your license from the FCC
C
1046 0
N1E01
What emission types are Novice control operators allowed to use in the 80-meter band?
CW only
Data only
RTTY only
Phone only
A
1047 0
N1E02
What emission types are Novice control operators allowed to use in the 40-meter band?
CW only
Data only
RTTY only
Phone only
A
1048 0
N1E03
What emission types are Novice control operators allowed to use in the 15-meter band?
CW only
Data only
RTTY only
Phone only
A
1049 0
N1E04
What emission types are Novice control operators allowed to use from 3675 to 3725 kHz?
Phone only
Image only
Data only
CW only
D
1050 0
N1E05
What emission types are Novice control operators allowed to use from 7100 to 7150 kHz in ITU Region 2?
CW and data
Phone
Data only
CW only
D
1051 0
N1E06
What emission types are Novice control operators allowed to use on frequencies from 21.1 to 21.2 MHz?
CW and data
CW and phone
Data only
CW only
D
1052 0
N1E07
What emission types are Novice control operators allowed to use on frequencies from 28.1 to 28.3 MHz?
All authorized amateur emission privileges
Data or phone
CW, RTTY and data
CW and phone
C
1053 0
N1E08
What emission types are Novice control operators allowed to use on frequencies from 28.3 to 28.5 MHz?
All authorized amateur emission privileges
CW and data
CW and single-sideband phone
Data and phone
C
1054 0
N1E09
What emission types are Novice control operators allowed to use on the amateur 1.25-meter band in ITU Region 2?
Only CW and phone
Only CW and data
Only data and phone
All amateur emission privileges authorized for use on the band
D
1055 0
N1E10
What emission types are Novice control operators allowed to use on the amateur 23-centimeter band?
Only data and phone
Only CW and data
Only CW and phone
All amateur emission privileges authorized for use on the band
D
1056 0
N1E11
On what HF frequencies may Novice control operators use single- sideband (SSB) phone?
3700 - 3750 kHz
7100 - 7150 kHz
21100 - 21200 kHz
28300 - 28500 kHz
D
1057 0
N1E12
On which of the following frequencies may Novice control operators in ITU Region 2 use FM phone?
28.3 - 28.5 MHz
144.0 - 148.0 MHz
222 - 225 MHz
1240 - 1270 MHz
C
1058 0
N1E13
On what frequencies in the 10-meter band may Novice control operators use RTTY?
28.0 - 28.3 MHz
28.1 - 28.3 MHz
28.0 - 29.3 MHz
29.1 - 29.3 MHz
B
1059 0
N1E14
On what frequencies in the 10-meter band may Novice control operators use data emissions?
28.0 - 28.3 MHz
28.1 - 28.3 MHz
28.0 - 29.3 MHz
29.1 - 29.3 MHz
B
1060 0
N1F01
What amount of transmitter power must amateur stations use at all times?
25 watts PEP output
250 watts PEP output
1500 watts PEP output
The minimum legal power necessary to communicate
D
1061 0
N1F02
What is the most transmitter power an amateur station may use on 3710 kHz?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
C
1062 0
N1F03
What is the most transmitter power an amateur station may use on 7120 kHz?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
C
1063 0
N1F04
What is the most transmitter power an amateur station may use on 21.150 MHz?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
C
1064 0
N1F05
What is the most transmitter power a Novice station may use on 28.450 MHz?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
C
1065 0
N1F06
What is the most transmitter power a Novice station may use on the 10-meter band?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
C
1066 0
N1F07
What is the most transmitter power a Novice station may use on the 1.25-meter band?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
B
1067 0
N1F08
What is the most transmitter power a Novice station may use on the 23-centimeter band?
5 watts PEP output
25 watts PEP output
200 watts PEP output
1500 watts PEP output
A
1068 0
N1F09
On which band(s) may a Novice station use up to 200 watts PEP output power?
80, 40, 15, and 10 meters
80, 40, 20, and 10 meters
1.25 meters
23 centimeters
A
1069 0
N1F10
On which band(s) must a Novice station use no more than 25 watts PEP output power?
80, 40, 15, and 10 meters
80, 40, 20, and 10 meters
1.25 meters
23 centimeters
C
1070 0
N1F11
On which band(s) must a Novice station use no more than 5 watts PEP output power?
80, 40, 15, and 10 meters
80, 40, 20, and 10 meters
1.25 meters
23 centimeters
D
1071 0
N1F12
If you make contact with another station and your signal is extremely strong and perfectly readable, what adjustment should you make to your transmitter?
Turn on your speech processor
Reduce your SWR
Don't make any changes, otherwise you may lose contact
Turn down your power output to the minimum necessary
D
1072 0
N1F13
What name does the FCC use for telemetry, telecommand or computer communications emissions?
CW
Image
Data
RTTY
C
1073 0
N1F14
What name does the FCC use for narrow-band direct-printing telegraphy emissions?
CW
Image
Data
RTTY
D
1074 0
N1G01
What is the FCC's name for the person responsible for the transmissions from an amateur station?
Auxiliary operator
Operations coordinator
Third-party operator
Control operator
D
1075 0
N1G02
Who is responsible for the proper operation of an amateur station?
Only the control operator
Only the station licensee
Both the control operator and the station licensee
The person who owns the station equipment
C
1076 0
N1G03
If you transmit from another amateur's station, who is responsible for its proper operation?
Both of you
The other amateur (the station licensee)
You, the control operator
The station licensee, unless the station records show that you were the control operator at the time
A
1077 0
N1G04
What is your responsibility as a station licensee?
You must allow another amateur to operate your station upon request
You must be present whenever the station is operated
You must notify the FCC if another amateur acts as the control operator
You are responsible for the proper operation of the station in accordance with the FCC rules
D
1078 0
N1G05
Who may be the control operator of an amateur station?
Any person over 21 years of age
Any person over 21 years of age with a General class license or higher
Any licensed amateur chosen by the station licensee
Any licensed amateur with a Technician class license or higher
C
1079 0
N1G06
If another amateur transmits from your station, which of these is NOT true?
You must first give permission for the other amateur to use your station
You must keep the call sign of the other amateur, together with the time and date of transmissions, in your station log
The FCC will think that you are the station's control operator unless your station records show that you were not
Both of you are equally responsible for the proper operation of the station
B
1080 0
N1G07
If you let another amateur with a higher class license than yours control your station, what operating privileges are allowed?
Any privileges allowed by the higher license, as long as proper identification procedures are followed
Only the privileges allowed by your license
All the emission privileges of the higher license, but only the frequency privileges of your license
All the frequency privileges of the higher license, but only the emission privileges of your license
A
1081 0
N1G08
If you are the control operator at the station of another amateur who has a higher class license than yours, what operating privileges are you allowed?
Any privileges allowed by the higher license
Only the privileges allowed by your license
All the emission privileges of the higher license, but only the frequency privileges of your license
All the frequency privileges of the higher license, but only the emission privileges of your license
B
1082 0
N1G09
When must an amateur station have a control operator?
Only when training another amateur
Whenever the station receiver is operated
Whenever the station is transmitting
A control operator is not needed
C
1083 0
N1G10
When a Novice station is transmitting, where must its control operator be?
At the station's control point
Anywhere in the same building as the transmitter
At the station's entrance, to control entry to the room
Anywhere within 50 km of the station location
A
1084 0
N1G11
Why can't unlicensed persons in your family transmit using your amateur station if they are alone with your equipment?
They must not use your equipment without your permission
They must be licensed before they are allowed to be control operators
They must first know how to use the right abbreviations and Q signals
They must first know the right frequencies and emissions for transmitting
B
1085 0
N1H01
How often must an amateur station be identified?
At the beginning of a contact and at least every ten minutes after that
At least once during each transmission
At least every ten minutes during and at the end of a contact
At the beginning and end of each transmission
C
1086 0
N1H02
What do you transmit to identify your amateur station?
Your "handle"
Your call sign
Your first name and your location
Your full name
B
1087 0
N1H03
What identification, if any, is required when two amateur stations begin communications?
No identification is required
One of the stations must give both stations' call signs
Each station must transmit its own call sign
Both stations must transmit both call signs
A
1088 0
N1H04
What identification, if any, is required when two amateur stations end communications?
No identification is required
One of the stations must transmit both stations' call signs
Each station must transmit its own call sign
Both stations must transmit both call signs
C
1089 0
N1H05
Besides normal identification, what else must a US station do when sending third-party communications internationally?
The US station must transmit its own call sign at the beginning of each communication, and at least every ten minutes after that
The US station must transmit both call signs at the end of each communication
The US station must transmit its own call sign at the beginning of each communication, and at least every five minutes after that
Each station must transmit its own call sign at the end of each transmission, and at least every five minutes after that
B
1090 0
N1H06
What is the longest period of time an amateur station can operate without transmitting its call sign?
5 minutes
10 minutes
15 minutes
30 minutes
B
1091 0
N1H07
With which non-amateur stations is a US amateur station allowed to communicate?
No non-amateur stations
All non-amateur stations
Only those authorized by the FCC
Only those who use international Morse code
C
1092 0
N1H08
Under what conditions are amateur stations allowed to communicate with stations operating in other radio services?
Never; amateur stations are only permitted to communicate with other amateur stations
When authorized by the FCC or in an emergency
When communicating with stations in the Citizens Radio Service
When a commercial broadcast station is using Amateur Radio frequencies for news gathering during a natural disaster
B
1093 0
N1H09
When may you operate your amateur station somewhere in the US besides the address listed on your license?
Only during times of emergency
Only after giving proper notice to the FCC
During an emergency or an FCC-approved emergency practice
Whenever you want to
D
1094 0
N1H10
If you work for a taxi service, under what conditions might you use your amateur station to tell taxi drivers where to pick up customers?
Only when you first obtain the proper FCC commercial endorsement for your license
Never, because this is clearly a business communication
Only between the hours of 6:00 PM and 6:00 AM local time
Only if the taxi driver is also a licensed amateur radio operator
B
1095 0
N1H11
Do the FCC Rules allow you to buy and sell amateur station equipment using amateur communications?
Yes, provided you do not do so on a regular basis
No, because this is clearly a business communication
Yes, provided you do this only once per calendar year
No, unless you collect all taxes and report them to the IRS
A
1096 0
N1H12
When may you operate your amateur station aboard a commercial aircraft?
At any time
Only while the aircraft is not in flight
Only with the pilot's specific permission and not while the aircraft is operating under Instrument Flight Rules
Only if you have written permission from the commercial airline company and not during takeoff and landing
C
1097 0
N1I01
When are you allowed to communicate with an amateur in a foreign country?
Only when the foreign amateur uses English
Only when you have permission from the FCC
Only when a third-party agreement exists between the US and the foreign country
At any time, unless it is not allowed by either government
D
1098 0
N1I02
What is an amateur space station?
An amateur station operated on an unused frequency
An amateur station awaiting its new call letters from the FCC
An amateur station located more than 50 kilometers above the Earth's surface
An amateur station that communicates with space shuttles
C
1099 0
N1I03
Who may be the licensee of an amateur space station?
An amateur holding an Amateur Extra class operator license
Any licensed amateur operator
Anyone designated by the commander of the spacecraft
No one unless specifically authorized by the government
B
1100 0
N1I04
When may someone be paid to transmit messages from an amateur station?
Only if he or she works for a public service agency such as the Red Cross
Under no circumstances
Only if he or she reports all such payments to the IRS
Only if the operator is a classroom teacher or works for a club station and special requirements are met
D
1101 0
N1I05
When is an amateur allowed to broadcast information to the general public?
Never
Only when the operator is being paid
Only when broadcasts last less than 1 hour
Only when broadcasts last longer than 15 minutes
A
1102 0
N1I06
When is an amateur station permitted to transmit music?
Never, except incidental music during authorized rebroadcasts of space shuttle communications
Only if the transmitted music produces no spurious emissions
Only if it is used to jam an illegal transmission
Only if it is above 1280 MHz, and the music is a live performance
A
1103 0
N1I07
When is the use of codes or ciphers allowed to hide the meaning of an amateur message?
Only during contests
Only during nationally declared emergencies
Never, except when special requirements are met
Only on frequencies above 1280 MHz
C
1104 0
N1I08
What is the definition of third-party communications?
A message sent between two amateur stations for someone else
Public service communications for a political party
Any messages sent by amateur stations
A three-minute transmission to another amateur
A
1105 0
N1I09
What is a "third party" in amateur communications?
An amateur station that breaks in to talk
A person who is sent a message by amateur communications other than a control operator who handles the message
A shortwave listener who monitors amateur communications
An unlicensed control operator
B
1106 0
N1I10
If you are allowing a non-amateur friend to use your station to talk to someone in the US, and a foreign station breaks in to talk to your friend, what should you do?
Have your friend wait until you find out if the US has a third-party agreement with the foreign station's government
Stop all discussions and quickly sign off
Since you can talk to any foreign amateurs, your friend may keep talking as long as you are the control operator
Report the incident to the foreign amateur's government
A
1107 0
N1I11
When are you allowed to transmit a message to a station in a foreign country for a third party?
Anytime
Never
Anytime, unless there is a third-party agreement between the US and the foreign government
If there is a third-party agreement with the US government, or if the third party is eligible to be the control operator
D
1108 0
N1I12
If you hear a voice distress signal on a frequency outside of your license privileges, what are you allowed to do to help the station in distress?
You are NOT allowed to help because the frequency of the signal is outside your privileges
You are allowed to help only if you keep your signals within the nearest frequency band of your privileges
You are allowed to help on a frequency outside your privileges only if you use international Morse code
You are allowed to help on a frequency outside your privileges in any way possible
D
1109 0
N1I13
When may you use your amateur station to transmit an "SOS" or "MAYDAY"?
Never
Only at specific times (at 15 and 30 minutes after the hour)
In a life- or property-threatening emergency
When the National Weather Service has announced a severe weather watch
C
1110 0
N1I14
When may you send a distress signal on any frequency?
Never
In a life- or property-threatening emergency
Only at specific times (at 15 and 30 minutes after the hour)
When the National Weather Service has announced a severe weather watch
B
1111 0
N1J01
When may false or deceptive amateur signals or communications be transmitted?
Never
When operating a beacon transmitter in a "fox hunt" exercise
When playing a harmless "practical joke"
When you need to hide the meaning of a message for secrecy
A
1112 0
N1J02
If an amateur pretends there is an emergency and transmits the word "MAYDAY," what is this called?
A traditional greeting in May
An emergency test transmission
False or deceptive signals
Nothing special; "MAYDAY" has no meaning in an emergency
C
1113 0
N1J03
What is a transmission called that disturbs other communications?
Interrupted CW
Harmful interference
Transponder signals
Unidentified transmissions
B
1114 0
N1J04
If you are operating FM phone on the 23-cm band and learn that you are interfering with a radiolocation station outside the US, what must you do?
Stop operating or take steps to eliminate this harmful interference
Nothing, because this band is allocated exclusively to the amateur service
Establish contact with the radiolocation station and ask them to change frequency
Change to CW mode, because this would not likely cause interference
A
1115 0
N1J05
Why is transmitting on a police frequency as a "joke" called harmful interference that deserves a large penalty?
It annoys everyone who listens
It blocks police calls that might be an emergency and interrupts police communications
It is in bad taste to communicate with non-amateurs, even as a joke
It is poor amateur practice to transmit outside the amateur bands
B
1116 0
N1J06
When may you deliberately interfere with another station's communications?
Only if the station is operating illegally
Only if the station begins transmitting on a frequency you are using
Never
You may expect, and cause, deliberate interference because it can't be helped during crowded band conditions
C
1117 0
N1J07
When may an amateur transmit unidentified communications?
Only for brief tests not meant as messages
Only if it does not interfere with others
Never, except transmissions from a space station or to control a model craft
Only for two-way or third-party communications
C
1118 0
N1J08
What is an amateur communication called that does not have the required station identification?
Unidentified communications or signals
Reluctance modulation
Test emission
Tactical communication
A
1119 0
N1J09
If you answer someone on the air and then complete your communication without giving your call sign, what type of communication have you just conducted?
Test transmission
Tactical signal
Packet communication
Unidentified communication
D
1120 0
N1J10
If an amateur transmits to test access to a repeater without giving any station identification, what type of communication is this called?
A test emission; no identification is required
An illegal unmodulated transmission
An illegal unidentified transmission
A non-communication; no voice is transmitted
C
1121 0
N1J11
If an amateur repeatedly transmits on a frequency already occupied by a group of amateurs in a net operation, what type of interference is this called?
Break-in interference
Harmful or malicious interference
Incidental interference
Intermittent interference
B
1122 0
N2A01
What should you do before you transmit on any frequency?
Listen to make sure others are not using the frequency
Listen to make sure that someone will be able to hear you
Check your antenna for resonance at the selected frequency
Make sure the SWR on your antenna feed line is high enough
A
1123 0
N2A02
What is one way to shorten transmitter tune-up time on the air to reduce interference?
Use a random wire antenna
Tune up on 40 meters, then switch to the desired band
Tune the transmitter into a dummy load
Use twin lead instead of coax-cable feed lines
C
1124 0
N2A03
If you are in contact with another station and you hear an emergency call for help on your frequency, what should you do?
Tell the calling station that the frequency is in use
Direct the calling station to the nearest emergency net frequency
Call your local Civil Preparedness Office and inform them of the emergency
Stop your QSO immediately and take the emergency call
D
1125 0
N2A04
What is the correct way to call CQ when using Morse code?
Send the letters "CQ" three times, followed by "DE," followed by your call sign sent once
Send the letters "CQ" three times, followed by "DE," followed by your call sign sent three times
Send the letters "CQ" ten times, followed by "DE," followed by your call sign sent twice
Send the letters "CQ" over and over until a station answers
B
1126 0
N2A05
How should you answer a Morse code CQ call?
Send your call sign four times
Send the other station's call sign twice, followed by "DE," followed by your call sign twice
Send the other station's call sign once, followed by "DE," followed by your call sign four times
Send your call sign followed by your name, station location and a signal report
B
1127 0
N2A06
At what speed should a Morse code CQ call be transmitted?
Only speeds below five WPM
The highest speed your keyer will operate
Any speed at which you can reliably receive
The highest speed at which you can control the keyer
C
1128 0
N2A07
What is the meaning of the procedural signal "CQ"?
"Call on the quarter hour"
"New antenna is being tested" (no station should answer)
"Only the called station should transmit"
"Calling any station"
D
1129 0
N2A08
What is the meaning of the procedural signal "DE"?
"From" or "this is," as in "W0AIH DE KA9FOX"
"Directional Emissions" from your antenna
"Received all correctly"
"Calling any station"
A
1130 0
N2A09
What is the meaning of the procedural signal "K"?
"Any station transmit"
"All received correctly"
"End of message"
"Called station only transmit"
A
1131 0
N2A10
What is meant by the term "DX"?
Best regards
Distant station
Calling any station
Go ahead
B
1132 0
N2A11
What is the meaning of the term "73"?
Long distance
Best regards
Love and kisses
Go ahead
B
1133 0
N2A12
What are RST signal reports?
A short way to describe ionospheric conditions
A short way to describe transmitter power
A short way to describe signal reception
A short way to describe sunspot activity
C
1134 0
N2A13
What does RST mean in a signal report?
Recovery, signal strength, tempo
Recovery, signal speed, tone
Readability, signal speed, tempo
Readability, signal strength, tone
D
1135 0
N2A14
What is one meaning of the Q signal "QRS"?
"Interference from static"
"Send more slowly"
"Send RST report"
"Radio station location is"
B
1136 0
N2A15
What is one meaning of the Q signal "QTH"?
"Time here is"
"My name is"
"Stop sending"
"My location is"
D
1137 0
N2A16
What is a QSL card in the amateur service?
A letter or postcard from an amateur pen pal
A Notice of Violation from the FCC
A written acknowledgment of communications between two amateurs
A postcard reminding you when your license will expire
C
1138 0
N2A17
What is the correct way to call CQ when using voice?
Say "CQ" once, followed by "this is," followed by your call sign spoken three times
Say "CQ" at least five times, followed by "this is," followed by your call sign spoken once
Say "CQ" three times, followed by "this is," followed by your call sign spoken three times
Say "CQ" at least ten times, followed by "this is," followed by your call sign spoken once
C
1139 0
N2A18
How should you answer a voice CQ call?
Say the other station's call sign at least ten times, followed by "this is," then your call sign at least twice
Say the other station's call sign at least five times phonetically, followed by "this is," then your call sign at least once
Say the other station's call sign at least three times, followed by "this is," then your call sign at least five times phonetically
Say the other station's call sign once, followed by "this is," then your call sign given phonetically
D
1140 0
N2A19
What is the proper Q signal to use to see if a frequency is in use before transmitting on CW?
QRV?
QRU?
QRL?
QRZ?
C
1141 0
N2A20
What is one meaning of the Q signal "QSY"?
"Change frequency"
"Send more slowly"
"Send faster"
"Use more power"
A
1142 0
N2A21
What is one meaning of the Q signal "QSO"?
A contact is confirmed
A conversation is in progress
I can communicate with
A conversation is desired
B
1143 0
N2A22
What is the proper Q signal to use to ask if someone is calling you on CW?
QSL?
QRZ?
QRL?
QRT?
B
1144 0
N2A23
To make your call sign better understood when using voice transmissions, what should you do?
Use Standard International Phonetics for each letter of your call
Use any words that start with the same letters as your call sign for each letter of your call
Talk louder
Turn up your microphone gain
A
1145 0
N2B01
What is the correct way to call CQ when using RTTY?
Send the letters "CQ" three times, followed by "DE," followed by your call sign sent once
Send the letters "CQ" three to six times, followed by "DE," followed by your call sign sent three times
Send the letters "CQ" ten times, followed by the procedural signal "DE," followed by your call sign sent twice
Send the letters "CQ" over and over
B
1146 0
N2B02
What speed should you use when answering a CQ call using RTTY?
Half the speed of the received signal
The same speed as the received signal
Twice the speed of the received signal
Any speed, since RTTY systems adjust to any signal speed
B
1147 0
N2B03
What does the abbreviation "RTTY" stand for?
"Returning to you", meaning "your turn to transmit"
Radioteletype
A general call to all digital stations
Morse code practice over the air
B
1148 0
N2B04
What does "connected" mean in a packet-radio link?
A telephone link is working between two stations
A message has reached an amateur station for local delivery
A transmitting station is sending data to only one receiving station; it replies that the data is being received correctly
A transmitting and receiving station are using a digipeater, so no other contacts can take place until they are finished
C
1149 0
N2B05
What does "monitoring" mean on a packet-radio frequency?
The FCC is copying all messages
A member of the Amateur Auxiliary to the FCC's Compliance and Information Bureau is copying all messages
A receiving station is displaying all messages sent to it, and replying that the messages are being received correctly
A receiving station is displaying all messages on the frequency, and is not replying to any messages
D
1150 0
N2B06
What is a digipeater?
A packet-radio station that retransmits only data that is marked to be retransmitted
A packet-radio station that retransmits any data that it receives
A repeater that changes audio signals to digital data
A repeater built using only digital electronics parts
A
1151 0
N2B07
What does "network" mean in packet radio?
A way of connecting terminal-node controllers by telephone so data can be sent over long distances
A way of connecting packet-radio stations so data can be sent over long distances
The wiring connections on a terminal-node controller board
The programming in a terminal-node controller that rejects other callers if a station is already connected
B
1152 0
N2B08
What is a good way to make contact on a repeater?
Say the call sign of the station you want to contact three times
Say the other operator's name, then your call sign three times
Say the call sign of the station you want to contact, then your call sign
Say, "Breaker, breaker," then your call sign
C
1153 0
N2B09
When using a repeater to communicate, which of the following do you need to know about the repeater?
Its input frequency and offset
Its call sign
Its power level
Whether or not it has an autopatch
A
1154 0
N2B10
What does it mean to say that a repeater has an input and an output frequency?
The repeater receives on one frequency and transmits on another
The repeater offers a choice of operating frequency, in case one is busy
One frequency is used to control the repeater and another is used to retransmit received signals
The repeater must receive an access code on one frequency before retransmitting received signals
A
1155 0
N2B11
What is an autopatch?
Something that automatically selects the strongest signal to be repeated
A device that connects a mobile station to the next repeater if it moves out of range of the first
A device that allows repeater users to make telephone calls from their stations
A device that locks other stations out of a repeater when there is an important conversation in progress
C
1156 0
N2B12
What is the purpose of a repeater time-out timer?
It lets a repeater have a rest period after heavy use
It logs repeater transmit time to predict when a repeater will fail
It tells how long someone has been using a repeater
It limits the amount of time someone can transmit on a repeater
D
1157 0
N2B13
What is a CTCSS (or PL) tone?
A special signal used for telecommand control of model craft
A sub-audible tone, added to a carrier, which may cause a receiver to accept a signal
A tone used by repeaters to mark the end of a transmission
A special signal used for telemetry between amateur space stations and Earth stations
B
1158 0
N2B14
What is simplex operation?
Transmitting and receiving on the same frequency
Transmitting and receiving over a wide area
Transmitting on one frequency and receiving on another
Transmitting one-way communications
A
1159 0
N2B15
When should you use simplex operation instead of a repeater?
When the most reliable communications are needed
When a contact is possible without using a repeater
When an emergency telephone call is needed
When you are traveling and need some local information
B
1160 0
N3A01
When a signal travels in a straight line from one antenna to another, what is this called?
Line-of-sight propagation
Straight line propagation
Knife-edge diffraction
Tunnel ducting
A
1161 0
N3A02
How do VHF and UHF radio waves usually travel from a transmitting antenna to a receiving antenna?
They bend through the ionosphere
They go in a straight line
They wander in any direction
They move in a circle going either east or west from the transmitter
B
1162 0
N3A03
When a signal travels along the surface of the Earth, what is this called?
Sky-wave propagation
Knife-edge diffraction
E-region propagation
Ground-wave propagation
D
1163 0
N3A04
How does the range of sky-wave propagation compare to ground-wave propagation?
It is much shorter
It is much longer
It is about the same
It depends on the weather
B
1164 0
N3A05
When a signal is returned to Earth by the ionosphere, what is this called?
Sky-wave propagation
Earth-Moon-Earth propagation
Ground-wave propagation
Tropospheric propagation
A
1165 0
N3A06
What is the usual cause of sky-wave propagation?
Signals are reflected by a mountain
Signals are reflected by the Moon
Signals are bent back to Earth by the ionosphere
Signals are retransmitted by a repeater
C
1166 0
N3A07
What is a skip zone?
An area covered by ground-wave propagation
An area covered by sky-wave propagation
An area that is too far away for ground-wave propagation, but too close for sky-wave propagation
An area that is too far away for ground-wave or sky-wave propagation
C
1167 0
N3A08
What are the regions of ionized gases high above the Earth called?
The ionosphere
The troposphere
The gas region
The ion zone
A
1168 0
N3A09
What is the name of the area of the atmosphere that makes long- distance radio communications possible by bending radio waves?
Troposphere
Stratosphere
Magnetosphere
Ionosphere
D
1169 0
N3A10
What causes the ionosphere to form?
Solar radiation ionizing the outer atmosphere
Temperature changes ionizing the outer atmosphere
Lightning ionizing the outer atmosphere
Release of fluorocarbons into the atmosphere
A
1170 0
N3A11
What type of solar radiation is most responsible for ionization in the outer atmosphere?
Thermal
Non-ionized particle
Ultraviolet
Microwave
C
1171 0
N3A12
Which ionospheric region is closest to the Earth?
The A region
The D region
The E region
The F region
B
1172 0
N3A13
Which region of the ionosphere is mainly responsible for long- distance sky-wave radio communications?
D region
E region
F1 region
F2 region
D
1173 0
N3A14
Which of the ionospheric regions may split into two regions only during the daytime?
Troposphere
F
Electrostatic
D
B
1174 0
N3A15
Which two daytime ionospheric regions combine into one region at night?
E and F1
D and E
F1 and F2
E1 and E2
C
1175 0
N3A16
How does the number of sunspots relate to the amount of ionization in the ionosphere?
The more sunspots there are, the greater the ionization
The more sunspots there are, the less the ionization
Unless there are sunspots, the ionization is zero
Sunspots do not affect the ionosphere
A
1176 0
N3A17
How long is an average sunspot cycle?
2 years
5 years
11 years
17 years
C
1177 0
N3A18
What can happen to VHF or UHF signals going towards a metal-framed building?
They will go around the building
They can be bent by the ionosphere
They can be easily reflected by the building
They are sometimes scattered in the ecosphere
C
1178 0
N4A01
How could you best keep unauthorized persons from using your amateur station at home?
Use a carrier-operated relay in the main power line
Use a key-operated on/off switch in the main power line
Put a "Danger - High Voltage" sign in the station
Put fuses in the main power line
B
1179 0
N4A02
How could you best keep unauthorized persons from using a mobile amateur station in your car?
Disconnect the microphone when you are not using it
Put a "do not touch" sign on the radio
Turn the radio off when you are not using it
Tune the radio to an unused frequency when you are done using it
A
1180 0
N4A03
Why would you use a key-operated on/off switch in the main power line of your station?
To keep unauthorized persons from using your station
For safety, in case the main fuses fail
To keep the power company from turning off your electricity during an emergency
For safety, to turn off the station in the event of an emergency
A
1181 0
N4A04
How can an antenna system best be protected from lightning damage?
Install a balun at the antenna feed point
Install an RF choke in the antenna feed line
Ground all antennas when they are not in use
Install a fuse in the antenna feed line
C
1182 0
N4A05
How can amateur station equipment best be protected from lightning damage?
Use heavy insulation on the wiring
Never turn off the equipment
Disconnect the ground system from all radios
Disconnect all equipment from the power lines and antenna cables
D
1183 0
N4A06
For best protection from electrical shock, what should be grounded in an amateur station?
The power supply primary
All station equipment
The antenna feed line
The AC power mains
B
1184 0
N4A07
Why should you ground all antenna and rotator cables when your amateur station is not in use?
To lock the antenna system in one position
To avoid radio frequency interference
To save electricity
To protect the station and building from lightning damage
D
1185 0
N4A08
What document describes safe grounding practices for electrical wiring, antennas and other electrical equipment, such as would be used in an amateur station?
The National Electrical Code
FCC Rules, Part 97
The National Construction Trades Association Manual
The National Association of Broadcaster's Safety Manual
A
1186 0
N4A09
Where should you connect the chassis of each piece of your station equipment to best protect against electrical shock?
To insulated shock mounts
To the antenna
To a good ground connection
To a circuit breaker
C
1187 0
N4A10
Which of these materials is best for a ground rod driven into the earth?
Hard plastic
Copper or copper-clad steel
Iron or steel
Fiberglass
B
1188 0
N4A11
If you ground your station equipment to a ground rod driven into the earth, what is the shortest length the rod should be?
4 feet
6 feet
8 feet
10 feet
C
1189 0
N4B01
Why would there be an interlock switch in a high-voltage power supply to turn off the power if its cabinet is opened?
To keep dangerous RF radiation from leaking out through an open cabinet
To keep dangerous RF radiation from coming in through an open cabinet
To turn the power supply off when it is not being used
To keep anyone opening the cabinet from getting shocked by dangerous high voltages
D
1190 0
N4B02
What is the name used for a safety switch inside a power-supply cabinet that turns off power when the cabinet door is opened?
An interlock switch
A circuit breaker
A deadman switch
The main switch
A
1191 0
N4B03
What kind of safety equipment should you wear if you are working on an antenna tower?
A grounding chain and rubber-sole shoes
A reflective vest of approved color
Electrical-insulating safety gloves and a static discharge line
A carefully inspected safety belt, hard hat and safety glasses
D
1192 0
N4B04
Why should you wear a safety belt if you are working on an antenna tower?
To safely hold your tools so they don't fall and injure someone on the ground
To keep the tower from becoming unbalanced while you are working
To safely bring any tools you might use up and down the tower
To prevent you from accidentally falling
D
1193 0
N4B05
Why should you wear a hard hat and safety glasses if you are on the ground helping someone work on an antenna tower?
So you won't be hurt if the tower should accidentally fall
To keep RF energy away from your head during antenna testing
To protect your head from something dropped from the tower
So someone passing by will know that work is being done on the tower and will stay away
C
1194 0
N4B06
What is an advantage to using copper-clad steel wire for an HF wire antenna?
It will stretch rather than break under strain
It is very flexible and easy to handle
It will not rust with age
It is much stronger than the same gauge drawn-copper wire
D
1195 0
N4B07
What is one disadvantage to using small gauge wire when constructing an HF antenna?
It is not strong, and will stretch or break easily
It is difficult to see from the ground
It can only be fed with coaxial cable
It can only be fed with parallel-conductor feed line
A
1196 0
N4B08
What safety factors must you consider when using a bow and arrow or slingshot and weight to shoot an antenna-support line over a tree?
You must ensure that the line is strong enough to withstand the shock of shooting the weight
You must ensure that the arrow or weight has a safe flight path if the line breaks
You must ensure that the bow and arrow or slingshot is in good working condition
All of these choices are correct
D
1197 0
N4B09
Which of the following is the best way to install your antenna in relation to overhead electric power lines?
Always be sure your antenna wire is higher than the power line, and crosses it at a 90-degree angle
Always be sure your antenna and feed line are well clear of any power lines
Always be sure your antenna is lower than the power line, and crosses it at a small angle
Only use vertical antennas within 100 feet of a power line
B
1198 0
N4B10
What circuit should be controlled by a safety interlock switch in an amateur transceiver or power amplifier?
The power supply
The IF amplifier
The audio amplifier
The cathode bypass circuit
A
1199 0
N4B11
What electrical rating should a safety interlock switch have?
Sufficient capacitance to prevent any leakage current
Sufficient voltage rating and current capacity for the protected circuit
Sufficient inductance to ensure a strong magnetic field to hold the cover when power is on
Sufficient resistance to ensure proper current limiting
B
1200 0
N4B12
In which of the following devices should there be a safety interlock switch to protect anyone from dangerous voltages?
A vacuum-tube power amplifier
A high-voltage power supply
A station-monitor oscilloscope
All of these choices are correct
D
1201 0
N4B13
What is one disadvantage of using inexpensive polypropylene rope to support your HF dipole antenna?
Birds like to pick at the brightly colored rope as a source of nest-building material
The texture grabs rough tree limbs and does not slide easily
It disintegrates rapidly when exposed to sunlight and weather
It is a good conductor of electricity
C
1202 0
N4C01
What does an SWR reading of 1:1 mean?
An antenna for another frequency band is probably connected
The best impedance match has been attained
No power is going to the antenna
The SWR meter is broken
B
1203 0
N4C02
What does an SWR reading of less than 1.5:1 mean?
An impedance match that is too low
An impedance mismatch; something may be wrong with the antenna system
A fairly good impedance match
An antenna gain of 1.5
C
1204 0
N4C03
What does an SWR reading of 4:1 mean?
An impedance match that is too low
An impedance match that is good, but not the best
An antenna gain of 4
An impedance mismatch; something may be wrong with the antenna system
D
1205 0
N4C04
What kind of SWR reading may mean poor electrical contact between parts of an antenna system?
A jumpy reading
A very low reading
No reading at all
A negative reading
A
1206 0
N4C05
What does a very high SWR reading mean?
The antenna is the wrong length, or there may be an open or shorted connection somewhere in the feed line
The signals coming from the antenna are unusually strong, which means very good radio conditions
The transmitter is putting out more power than normal, showing that it is about to go bad
There is a large amount of solar radiation, which means very poor radio conditions
A
1207 0
N4C06
If an SWR reading at the low frequency end of an amateur band is 2.5:1, increasing to 5:1 at the high frequency end of the same band, what does this tell you about your 1/2-wavelength dipole antenna?
The antenna is broadbanded
The antenna is too long for operation on the band
The antenna is too short for operation on the band
The antenna is just right for operation on the band
B
1208 0
N4C07
If an SWR reading at the low frequency end of an amateur band is 5:1, decreasing to 2.5:1 at the high frequency end of the same band, what does this tell you about your 1/2-wavelength dipole antenna?
The antenna is broadbanded
The antenna is too long for operation on the band
The antenna is too short for operation on the band
The antenna is just right for operation on the band
C
1209 0
N4C08
If you use a 3-30 MHz RF-power meter at UHF frequencies, how accurate will its readings be?
They may not be accurate at all
They will be accurate enough to get by
They will be accurate but the readings must be divided by two
They will be accurate but the readings must be multiplied by two
A
1210 0
N4C09
What instrument is used to measure standing wave ratio?
An ohmmeter
An ammeter
An SWR meter
A current bridge
C
1211 0
N4C10
What instrument is used to measure the relative impedance match between an antenna and its feed line?
An ammeter
An ohmmeter
A voltmeter
An SWR meter
D
1212 0
N4C11
Where would you connect an SWR meter to measure standing wave ratio?
Between the feed line and the antenna
Between the transmitter and the power supply
Between the transmitter and the receiver
Between the transmitter and the ground
A
1213 0
N4D01
What is meant by receiver overload?
Too much voltage from the power supply
Too much current from the power supply
Interference caused by strong signals from a nearby source
Interference caused by turning the volume up too high
C
1214 0
N4D02
What is meant by harmonic radiation?
Unwanted signals at frequencies that are multiples of the fundamental (chosen) frequency
Unwanted signals that are combined with a 60-Hz hum
Unwanted signals caused by sympathetic vibrations from a nearby transmitter
Signals that cause skip propagation to occur
A
1215 0
N4D03
Why is harmonic radiation from an amateur station not wanted?
It may cause interference to other stations and may result in out-of-band signals
It uses large amounts of electric power
It may cause sympathetic vibrations in nearby transmitters
It may cause auroras in the air
A
1216 0
N4D04
What type of interference may come from a multi-band antenna connected to a poorly tuned transmitter?
Harmonic radiation
Auroral distortion
Parasitic excitation
Intermodulation
A
1217 0
N4D05
What is the main purpose of shielding in a transmitter?
It gives the low-pass filter a solid support
It helps the sound quality of transmitters
It prevents unwanted RF radiation
It helps keep electronic parts warmer and more stable
C
1218 0
N4D06
What type of filter might be connected to an amateur HF transmitter to cut down on harmonic radiation?
A key-click filter
A low-pass filter
A high-pass filter
A CW filter
B
1219 0
N4D07
What is one way to tell if radio-frequency interference to a receiver is caused by front-end overload?
If connecting a low-pass filter to the transmitter greatly cuts down the interference
If the interference is about the same no matter what frequency is transmitted
If connecting a low-pass filter to the receiver greatly cuts down the interference
If grounding the receiver makes the problem worse
B
1220 0
N4D08
If your neighbor reports television interference whenever you are transmitting from your amateur station, no matter what frequency band you use, what is probably the cause of the interference?
Too little transmitter harmonic suppression
Receiver VR tube discharge
Receiver overload
Incorrect antenna length
C
1221 0
N4D09
If your neighbor reports television interference on one or two channels only when you are transmitting on the 15-meter band, what is probably the cause of the interference?
Too much low-pass filtering on the transmitter
De-ionization of the ionosphere near your neighbor's TV antenna
TV receiver front-end overload
Harmonic radiation from your transmitter
D
1222 0
N4D10
What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from an amateur HF station transmission?
Low-pass
High-pass
Band pass
Notch
B
1223 0
N4D11
What first step should be taken at a cable TV receiver when trying to prevent RF overload from an amateur HF station transmission?
Install a low-pass filter in the cable system transmission line
Tighten all connectors and inspect the cable system transmission line
Make sure the center conductor of the cable system transmission line is well grounded
Install a ceramic filter in the cable system transmission line
B
1224 0
N4D12
What effect might a break in a cable television transmission line have on amateur communications?
Cable lines are shielded and a break cannot affect amateur communications
Harmonic radiation from the TV receiver may cause the amateur transmitter to transmit off-frequency
TV interference may result when the amateur station is transmitting, or interference may occur to the amateur receiver
The broken cable may pick up very high voltages when the amateur station is transmitting
C
1225 0
N4D13
If you are told that your amateur station is causing television interference, what should you do?
First make sure that your station is operating properly, and that it does not cause interference to your own television
Immediately turn off your transmitter and contact the nearest FCC office for assistance
Connect a high-pass filter to the transmitter output and a low-pass filter to the antenna-input terminals of the television
Continue operating normally, because you have no reason to worry about the interference
A
1226 0
N4D14
If harmonic radiation from your transmitter is causing interference to television receivers in your neighborhood, who is responsible for taking care of the interference?
The owners of the television receivers are responsible
Both you and the owners of the television receivers share the responsibility
You alone are responsible, since your transmitter is causing the problem
The FCC must decide if you or the owners of the television receivers are responsible
C
1227 0
N4D15
If signals from your transmitter are causing front-end overload in your neighbor's television receiver, who is responsible for taking care of the interference?
You alone are responsible, since your transmitter is causing the problem
Both you and the owner of the television receiver share the responsibility
The FCC must decide if you or the owner of the television receiver are responsible
The owner of the television receiver is responsible
D
1228 0
N5A01
If a dial marked in kilohertz shows a reading of 7125 kHz, what would it show if it were marked in megahertz?
0.007125 MHz
7.125 MHz
71.25 MHz
7,125,000 MHz
B
1229 0
N5A02
If a dial marked in megahertz shows a reading of 3.525 MHz, what would it show if it were marked in kilohertz?
0.003525 kHz
35.25 kHz
3525 kHz
3,525,000 kHz
C
1230 0
N5A03
If a dial marked in kilohertz shows a reading of 3725 kHz, what would it show if it were marked in hertz?
3.725 Hz
37.25 Hz
3725 Hz
3,725,000 Hz
D
1231 0
N5A04
If an antenna is 400 centimeters long, what is its length in meters?
0.0004 meters
4 meters
40 meters
40,000 meters
B
1232 0
N5A05
If an ammeter marked in amperes is used to measure a 3000- milliampere current, what reading would it show?
0.003 amperes
0.3 amperes
3 amperes
3,000,000 amperes
C
1233 0
N5A06
If a voltmeter marked in volts is used to measure a 3500-millivolt potential, what reading would it show?
0.35 volts
3.5 volts
35 volts
350 volts
B
1234 0
N5A07
How many farads is 500,000 microfarads?
0.0005 farads
0.5 farads
500 farads
500,000,000 farads
B
1235 0
N5A08
How many microfarads is 1,000,000 picofarads?
0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads
B
1236 0
N5A09
How many hertz are in a kilohertz?
10
100
1000
1,000,000
C
1237 0
N5A10
How many kilohertz are in a megahertz?
10
100
1000
1,000,000
C
1238 0
N5A11
If you have a hand-held transceiver with an output of 500 milliwatts, how many watts would this be?
0.02
0.5
5
50
B
1239 0
N5A12
If you have a hand-held transceiver with an output of 250 milliwatts, how many watts would this be?
0.01
25
0.25
0.125
C
1240 0
N5A13
If your station is transmitting on a frequency of 1.265 GHz, what would the frequency be if it were given in MHz?
12.65 MHz
126.5 MHz
1265 MHz
12,650 MHz
C
1241 0
N5B01
What is the name for the flow of electrons in an electric circuit?
Voltage
Resistance
Capacitance
Current
D
1242 0
N5B02
What is the basic unit of electric current?
The volt
The watt
The ampere
The ohm
C
1243 0
N5B03
Which instrument would you use to measure electric current?
An ohmmeter
A wavemeter
A voltmeter
An ammeter
D
1244 0
N5B04
What is the name of the pressure that forces electrons to flow through a circuit?
Magnetomotive force, or inductance
Electromotive force, or voltage
Farad force, or capacitance
Thermal force, or heat
B
1245 0
N5B05
What is the basic unit of electromotive force (EMF)?
The volt
The watt
The ampere
The ohm
A
1246 0
N5B06
How much voltage does an automobile battery usually supply?
About 12 volts
About 30 volts
About 120 volts
About 240 volts
A
1247 0
N5B07
How much voltage does a wall outlet usually supply (in the US)?
About 12 volts
About 30 volts
About 120 volts
About 480 volts
C
1248 0
N5B08
Which instrument would you use to measure electric potential or electromotive force?
An ammeter
A voltmeter
A wavemeter
An ohmmeter
B
1249 0
N5B09
What limits the current that flows through a circuit for a particular applied DC voltage?
Reliance
Reactance
Saturation
Resistance
D
1250 0
N5B10
What is the basic unit of resistance?
The volt
The watt
The ampere
The ohm
D
1251 0
N5B11
Which instrument would you use to measure resistance?
An ammeter
A voltmeter
An ohmmeter
A wavemeter
C
1252 0
N5B12
What are three good electrical conductors?
Copper, gold, mica
Gold, silver, wood
Gold, silver, aluminum
Copper, aluminum, paper
C
1253 0
N5B13
What are four good electrical insulators?
Glass, air, plastic, porcelain
Glass, wood, copper, porcelain
Paper, glass, air, aluminum
Plastic, rubber, wood, carbon
A
1254 0
N5B14
What does an electrical insulator do?
It lets electricity flow through it in one direction
It does not let electricity flow through it
It lets electricity flow through it when light shines on it
It lets electricity flow through it
B
1255 0
N5C01
What formula shows how voltage, current and resistance relate to each other in an electric circuit?
Ohm's Law
Kirchhoff's Law
Ampere's Law
Tesla's Law
A
1256 0
N5C02
Which of the following principles is used when working with almost any electronic circuit?
Ampere's Law
Coulomb's Law
Ohm's Law
Tesla's Law
C
1257 0
N5C03
If a current of 2 amperes flows through a 50-ohm resistor, what is the voltage across the resistor?
25 volts
52 volts
100 volts
200 volts
C
1258 0
N5C04
If a 100-ohm resistor is connected to 200 volts, what is the current through the resistor?
1 ampere
2 amperes
300 amperes
20,000 amperes
B
1259 0
N5C05
If a current of 3 amperes flows through a resistor connected to 90 volts, what is the resistance?
3 ohms
30 ohms
93 ohms
270 ohms
B
1260 0
N5C06
What term describes how fast electrical energy is used?
Resistance
Current
Power
Voltage
C
1261 0
N5C07
If you have light bulbs marked 60 watts, 75 watts and 100 watts, which one will use more electrical energy in one hour?
The 60 watt bulb
The 75 watt bulb
The 100 watt bulb
They will all be the same
C
1262 0
N5C08
What is the basic unit of electrical power?
The ohm
The watt
The volt
The ampere
B
1263 0
N5C09
Which electrical circuit can have no current?
A closed circuit
A short circuit
An open circuit
A complete circuit
C
1264 0
N5C10
What type of electrical circuit is created when a fuse blows?
A closed circuit
A bypass circuit
An open circuit
A short circuit
C
1265 0
N5C11
Which electrical circuit draws too much current?
An open circuit
A dead circuit
A closed circuit
A short circuit
D
1266 0
N5D01
What is the name of a current that flows only in one direction?
An alternating current
A direct current
A normal current
A smooth current
B
1267 0
N5D02
Which of the following will produce an alternating current (AC)?
A lead-acid automotive battery
A solar array
A fuel cell
A commercial generating station
D
1268 0
N5D03
What is the name of a current that flows back and forth, first in one direction, then in the opposite direction?
An alternating current
A direct current
A rough current
D. A steady state current
A
1269 0
N5D04
Which of the following will produce a direct current (DC)?
A NiCd battery
An RF signal generator
A commercial generating station
A crystal calibrator
A
1270 0
N5D05
What term means the number of times per second that an alternating current flows back and forth?
Pulse rate
Speed
Wavelength
Frequency
D
1271 0
N5D06
What is the basic unit of frequency?
The hertz
The watt
The ampere
The ohm
A
1272 0
N5D07
Most humans can hear sounds in what frequency range?
0 - 20 Hz
20 - 20,000 Hz
200 - 200,000 Hz
10,000 - 30,000 Hz
B
1273 0
N5D08
Why do we call electrical signals in the frequency range of 20 Hz to 20,000 Hz audio frequencies?
Because the human ear cannot sense anything in this range
Because the human ear can sense sounds in this range
Because this range is too low for radio energy
Because the human ear can sense radio waves in this range
B
1274 0
N5D09
What is the lowest frequency of electrical energy that is usually known as a radio frequency?
20 Hz
2,000 Hz
20,000 Hz
1,000,000 Hz
C
1275 0
N5D10
Electrical energy at a frequency of 7125 kHz is in what frequency range?
Audio
Radio
Hyper
Super-high
B
1276 0
N5D11
If a radio wave makes 3,725,000 cycles in one second, what does this mean?
The radio wave's voltage is 3725 kilovolts
The radio wave's wavelength is 3725 kilometers
The radio wave's frequency is 3725 kilohertz
The radio wave's speed is 3725 kilometers per second
C
1277 0
N5D12
What does 60 hertz (Hz) mean?
6000 cycles per second
60 cycles per second
6000 meters per second
60 meters per second
B
1278 0
N5D13
What is the name for the distance an AC signal travels during one complete cycle?
Wave speed
Waveform
Wavelength
Wave spread
C
1279 0
N5D14
What happens to a signal's wavelength as its frequency increases?
It gets shorter
It gets longer
It stays the same
It disappears
A
1280 0
N5D15
What happens to a signal's frequency as its wavelength gets longer?
It goes down
It goes up
It stays the same
It disappears
A
1281 0
N6A01
Why would you use a single-pole, double-throw switch?
To switch one input to one output
To switch one input to either of two outputs
To switch two inputs at the same time, one input to either of two outputs, and the other input to either of two outputs
To switch two inputs at the same time, one input to one output, and the other input to another output
B
1282 0
N6A02
Why would you use a double-pole, single-throw switch?
To switch one input to one output
To switch one input to either of two outputs
To switch two inputs at the same time, one input to either of two outputs, and the other input to either of two outputs
To switch two inputs at the same time, one input to one output, and the other input to the other output
D
1283 0
N6A03
Why would you use a fuse?
To create a short circuit when there is too much current in a circuit
To change direct current into alternating current
To change alternating current into direct current
To create an open circuit when there is too much current in a circuit
D
1284 0
N6A04
Which of these components has a positive and a negative side?
A battery
A potentiometer
A fuse
A resistor
A
1285 0
N6A05
Which of these components has a value that can be varied?
A single-cell battery
A potentiometer
A fuse
A resistor
B
1286 0
N6A06
In Figure N6-1, which symbol represents a variable resistor or potentiometer?
Symbol 1
Symbol 2
Symbol 3
Symbol 6
B
1287 0
Figure N6-1
N61.BM_
N6A07
In Figure N6-1, which symbol represents a fixed resistor?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
C
1288 0
Figure N6-1
N61.BM_
N6A08
In Figure N6-1, which symbol represents a fuse?
Symbol 1
Symbol 3
Symbol 5
Symbol 7
A
1289 0
Figure N6-1
N61.BM_
N6A09
In Figure N6-1, which symbol represents a single-cell battery?
Symbol 7
Symbol 5
Symbol 1
Symbol 4
D
1290 0
Figure N6-1
N61.BM_
N6A10
In Figure N6-2, which symbol represents a single-pole, single- throw switch?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
A
1291 0
Figure N6-2
N62.BM_
N6A11
In Figure N6-2, which symbol represents a single-pole, double- throw switch?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
D
1292 0
Figure N6-2
N62.BM_
N6A12
In Figure N6-2, which symbol represents a double-pole, single- throw switch?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
C
1293 0
Figure N6-2
N62.BM_
N6A13
In Figure N6-2, which symbol represents a double-pole, double- throw switch?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
B
1294 0
Figure N6-2
N62.BM_
N6B01
Which component can amplify a small signal using low voltages?
A PNP transistor
A variable resistor
An electrolytic capacitor
A multiple-cell battery
A
1295 0
N6B02
Which component conducts electricity from a negative emitter to a positive collector when its base voltage is made positive?
A variable resistor
An NPN transistor
A triode vacuum tube
A multiple-cell battery
B
1296 0
N6B03
Which component is used to radiate radio energy?
An antenna
An earth ground
A chassis ground
A potentiometer
A
1297 0
N6B04
In Figure N6-1, which symbol represents an earth ground?
Symbol 2
Symbol 5
Symbol 6
Symbol 8
D
1298 0
Figure N6-1
N61.BM_
N6B05
In Figure N6-1, which symbol represents a chassis ground?
Symbol 2
Symbol 5
Symbol 6
Symbol 8
B
1299 0
Figure N6-1
N61.BM_
N6B06
In Figure N6-1, which symbol represents an antenna?
Symbol 2
Symbol 3
Symbol 6
Symbol 7
D
1300 0
Figure N6-1
N61.BM_
N6B07
In Figure N6-3, which symbol represents an NPN transistor?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
D
1301 0
Figure N6-3
N63.BM_
N6B08
In Figure N6-3, which symbol represents a PNP transistor?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
A
1302 0
Figure N6-3
N63.BM_
N6B09
In Figure N6-3, which symbol represents a triode vacuum tube?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
B
1303 0
Figure N6-3
N63.BM_
N6B10
In Figure N6-3, which symbol represents a pentode vacuum tube?
Symbol 1
Symbol 2
Symbol 3
Symbol 4
C
1304 0
Figure N6-3
N63.BM_
N6B11
What is one reason a triode vacuum tube might be used instead of a transistor in a circuit?
It handles higher power
It uses lower voltages
It operates more efficiently
It is much smaller
A
1305 0
N6B12
Which component can amplify a small signal but must use high voltages?
A transistor
An electrolytic capacitor
A vacuum tube
A multiple-cell battery
C
1306 0
N6B13
What is one advantage of using ICs (integrated circuits) instead of vacuum tubes in a circuit?
ICs usually combine several functions into one package
ICs can handle high-power input signals
ICs can handle much higher voltages
ICs can handle much higher temperatures
A
1307 0
N7A01
What would you connect to your transceiver if you wanted to switch it between several antennas?
A terminal-node switch
An antenna switch
A telegraph key switch
A high-pass filter
B
1308 0
N7A02
What device might allow use of an antenna on a band it was not designed for?
An SWR meter
A low-pass filter
An antenna tuner
A high-pass filter
C
1309 0
N7A03
What connects your transceiver to your antenna?
A dummy load
A ground wire
The power cord
A feed line
D
1310 0
N7A04
What might you connect between your transceiver and an antenna switch connected to several antennas?
A high-pass filter
An SWR meter
A key-click filter
A mixer
B
1311 0
N7A05
If your SWR meter is connected to an antenna tuner on one side, what would you connect to the other side of it?
A power supply
An antenna
An antenna switch
A transceiver
D
1312 0
N7A06
Which of the following should never be connected to a transceiver output?
An antenna switch
An SWR meter
An antenna
A receiver
D
1313 0
N7A07
If your mobile transceiver works in your car but not in your home, what should you check first?
The power supply
The speaker
The microphone
The SWR meter
A
1314 0
N7A08
What does an antenna tuner do?
It matches a transceiver output impedance to the antenna system impedance
It helps a receiver automatically tune in stations that are far away
It switches an antenna system to a transceiver when sending, and to a receiver when listening
It switches a transceiver between different kinds of antennas connected to one feed line
A
1315 0
N7A09
In Figure N7-1, if block 1 is a transceiver and block 3 is a dummy antenna, what is block 2?
A terminal-node switch
An antenna switch
A telegraph key switch
A high-pass filter
B
1316 0
Figure N7-1
N71.BM_
N7A10
In Figure N7-1, if block 2 is an antenna switch and block 3 is a dummy antenna, what is block 1?
A terminal-node switch
A dipole antenna
A transceiver
A high-pass filter
C
1317 0
Figure N7-1
N71.BM_
N7A11
In Figure N7-1, if block 1 is a transceiver and block 2 is an antenna switch, what is block 3?
A terminal-node switch
An SWR meter
A telegraph key switch
A dummy antenna
D
1318 0
Figure N7-1
N71.BM_
N7A12
In Figure N7-2, if block 2 is an SWR meter and block 3 is an antenna switch, what is block 1?
A transceiver
A high-pass filter
An antenna tuner
A modem
A
1319 0
Figure N7-2
N72.BM_
N7A13
In Figure N7-2, if block 1 is a transceiver and block 3 is an antenna switch, what is block 2?
A terminal-node switch
A dipole antenna
An SWR meter
A high-pass filter
C
1320 0
Figure N7-2
N72.BM_
N7A14
In Figure N7-2, if block 1 is a transceiver and block 2 is an SWR meter, what is block 3?
A terminal-node switch
A power supply
A telegraph key switch
An antenna switch
D
1321 0
Figure N7-2
N72.BM_
N7A15
In Figure N7-3, if block 1 is a transceiver and block 2 is an SWR meter, what is block 3?
An antenna switch
An antenna tuner
A key-click filter
A terminal-node controller
B
1322 0
Figure N7-3
N73.BM_
N7A16
In Figure N7-3, if block 1 is a transceiver and block 3 is an antenna tuner, what is block 2?
A terminal-node switch
A dipole antenna
An SWR meter
A high-pass filter
C
1323 0
Figure N7-3
N73.BM_
N7A17
In Figure N7-3, if block 2 is an SWR meter and block 3 is an antenna tuner, what is block 1?
A terminal-node switch
A power supply
A telegraph key switch
A transceiver
D
1324 0
Figure N7-3
N73.BM_
N7A18
What device converts household current to 12 VDC?
A catalytic converter
A low-pass filter
A power supply
An RS-232 interface
C
1325 0
N7A19
Which of these usually needs a heavy-duty power supply?
An SWR meter
A receiver
A 100-watt transceiver
An antenna switch
C
1326 0
N7B01
What would you connect to a transceiver to send Morse code?
A key-click filter
A telegraph key
An SWR meter
An antenna switch
B
1327 0
N7B02
Where would you connect a telegraph key to send Morse code?
To a modem
To an antenna switch
To a transceiver
To an antenna
C
1328 0
N7B03
What do many amateurs use to help form good Morse code characters?
A key-operated on/off switch
An electronic keyer
A key-click filter
A DTMF keypad
B
1329 0
N7B04
Where would you connect a microphone for voice operation?
To a power supply
To an antenna switch
To a transceiver
To an antenna
C
1330 0
N7B05
What would you connect to a transceiver for voice operation?
A splatter filter
A terminal-voice controller
A receiver audio filter
A microphone
D
1331 0
N7B06
What would you connect to a transceiver for RTTY operation?
A modem and a teleprinter or computer system
A computer, a printer and a RTTY refresh unit
A data-inverter controller
A modem, a monitor and a DTMF keypad
A
1332 0
N7B07
What would you connect between a transceiver and a computer system or teleprinter for RTTY operation?
An RS-432 interface
A DTMF keypad
A modem
A terminal-network controller
C
1333 0
N7B08
What would you connect between a computer system and a transceiver for packet-radio operation?
A terminal-node controller
A DTMF keypad
An SWR bridge
An antenna tuner
A
1334 0
N7B09
Where would you connect a terminal-node controller for packet- radio operation?
Between your antenna and transceiver
Between your computer and monitor
Between your computer and transceiver
Between your keyboard and computer
C
1335 0
N7B10
In RTTY operation, what equipment connects to a modem?
A DTMF keypad, a monitor and a transceiver
A DTMF microphone, a monitor and a transceiver
A transceiver and a terminal-network controller
A transceiver and a teleprinter or computer system
D
1336 0
N7B11
In packet-radio operation, what equipment connects to a terminal- node controller?
A transceiver and a modem
A transceiver and a terminal or computer system
A DTMF keypad, a monitor and a transceiver
A DTMF microphone, a monitor and a transceiver
B
1337 0
N7B12
What important feature must an HF transceiver have for digital operation?
A digital readout
Loud audio
A fully solid-state receiver
A fast T/R switching time
D
1338 0
N7B13
What circuit can improve CW reception during crowded band conditions?
A high-pass filter
A crystal oscillator
A digital signal processor
A signal generator
C
1339 0
N8A01
How is a CW signal usually transmitted?
By frequency-shift keying an RF signal
By on/off keying an RF signal
By audio-frequency-shift keying an oscillator tone
By on/off keying an audio-frequency signal
B
1340 0
N8A02
What is another name for international Morse code emissions?
RTTY
Data
CW
Phone
C
1341 0
N8A03
What type of emission is transmitted by turning an RF signal on and off?
Frequency-shift-keyed RTTY
Phase-shift-keyed RTTY
Frequency modulated CW
CW
D
1342 0
N8A04
What is the name for voice emissions?
RTTY
Data
CW
Phone
D
1343 0
N8A05
Which sideband is commonly used for 10-meter phone operation?
Upper sideband
Lower sideband
Amplitude-compandored sideband
Double sideband
A
1344 0
N8A06
What does the term "phone transmissions" usually mean?
The use of telephones to set up an amateur contact
A phone patch between amateur radio and the telephone system
AM, FM or SSB voice transmissions by radiotelephony
Placing the telephone handset near a transceiver's microphone and speaker to relay a telephone call
C
1345 0
N8A07
How is an HF RTTY signal usually produced?
By frequency-shift keying an RF signal
By on/off keying an RF signal
By digital pulse-code keying of an unmodulated carrier
By on/off keying an audio-frequency signal
A
1346 0
N8A08
What is the name for narrow-band direct-printing telegraphy emissions?
RTTY
Data
CW
Phone
A
1347 0
N8A09
What is another name for packet-radio emissions?
RTTY
Data
CW
Phone
B
1348 0
N8A10
Which of the following devices would you need to conduct Amateur Radio communications using a data emission?
A telegraph key
A computer
A transducer
A telemetry sensor
B
1349 0
N8A11
What are two advantages to using modern data-transmission techniques for communications?
Very simple and low-cost equipment
No parity-checking required and high transmission speed
Easy for mobile stations to use and no additional cabling required
High transmission speed and communications reliability
D
1350 0
N8B01
How does the frequency of a harmonic compare to the desired transmitting frequency?
It is slightly more than the desired frequency
It is slightly less than the desired frequency
It is exactly two, or three, or more times the desired frequency
It is much less than the desired frequency
C
1351 0
N8B02
What is the fourth harmonic of a 7160-kHz signal?
28,640 kHz
35,800 kHz
28,160 kHz
1790 kHz
A
1352 0
N8B03
If you are told your station was heard on 21,375 kHz, but at the time you were operating on 7125 kHz, what is one reason this could happen?
Your transmitter's power-supply filter capacitor was bad
You were sending CW too fast
Your transmitter was radiating harmonic signals
Your transmitter's power-supply filter choke was bad
C
1353 0
N8B04
If someone tells you that signals from your hand-held transceiver are interfering with other signals on a frequency near yours, what may be the cause?
You may need a power amplifier for your hand-held
Your hand-held may have chirp from weak batteries
You may need to turn the volume up on your hand-held
Your hand-held may be transmitting spurious emissions
D
1354 0
N8B05
If your transmitter sends signals outside the band where it is transmitting, what is this called?
Off-frequency emissions
Transmitter chirping
Side tones
Spurious emissions
D
1355 0
N8B06
What problem may occur if your transmitter is operated without the cover and other shielding in place?
It may transmit spurious emissions
It may transmit a chirpy signal
It may transmit a weak signal
It may transmit a phase-inverted signal
A
1356 0
N8B07
What may happen if an SSB transmitter is operated with the microphone gain set too high?
It may cause digital interference to computer equipment
It may cause splatter interference to other stations operating near its frequency
It may cause atmospheric interference in the air around the antenna
It may cause interference to other stations operating on a higher frequency band
B
1357 0
N8B08
What may happen if an SSB transmitter is operated with too much speech processing?
It may cause digital interference to computer equipment
It may cause splatter interference to other stations operating near its frequency
It may cause atmospheric interference in the air around the antenna
It may cause interference to other stations operating on a higher frequency band
B
1358 0
N8B09
What may happen if an FM transmitter is operated with the microphone gain or deviation control set too high?
It may cause digital interference to computer equipment
It may cause interference to other stations operating near its frequency
It may cause atmospheric interference in the air around the antenna
It may cause interference to other stations operating on a higher frequency band
B
1359 0
N8B10
What may your FM hand-held or mobile transceiver do if you shout into its microphone?
It may cause digital interference to computer equipment
It may cause interference to other stations operating near its frequency
It may cause atmospheric interference in the air around the antenna
It may cause interference to other stations operating on a higher frequency band
B
1360 0
N8B11
What can you do if you are told your FM hand-held or mobile transceiver is over-deviating?
Talk louder into the microphone
Let the transceiver cool off
Change to a higher power level
Talk farther away from the microphone
D
1361 0
N8B12
What does chirp mean?
An overload in a receiver's audio circuit whenever CW is received
A high-pitched tone that is received along with a CW signal
A small change in a transmitter's frequency each time it is keyed
A slow change in transmitter frequency as the circuit warms up
C
1362 0
N8B13
What can be done to keep a CW transmitter from chirping?
Add a low-pass filter
Use an RF amplifier
Keep the power supply current very steady
Keep the power supply voltages very steady
D
1363 0
N8B14
What may cause a buzzing or hum in the signal of an HF transmitter?
Using an antenna that is the wrong length
Energy from another transmitter
Bad design of the transmitter's RF power output circuit
A bad filter capacitor in the transmitter's power supply
D
1364 0
N8B15
What should you check if you change your transceiver's microphone from a mobile type to a base station type?
Check the CTCSS levels on the oscilloscope
Make an on-the-air radio check to ensure the quality of your signal
Check the amount of current the transceiver is now using
Check to make sure the frequency readout is now correct
B
1365 0
N8B16
Why is good station grounding needed when connecting your computer to your transceiver to receive high-frequency data signals?
Good grounding raises the receiver's noise floor
Good grounding protects the computer from nearby lightning strikes
Good grounding will minimize stray noise on the receiver
FCC rules require all equipment to be grounded
C
1366 0
N9A01
How do you calculate the length (in feet) of a half-wavelength dipole antenna?
Divide 150 by the antenna's operating frequency (in MHz) [150/f(in MHz)]
Divide 234 by the antenna's operating frequency (in MHz) [234/f (in MHz)]
Divide 300 by the antenna's operating frequency (in MHz) [300/f (in MHz)]
D. Divide 468 by the antenna's operating frequency (in MHz) [468/f (in MHz)]
D
1367 0
N9A02
How do you calculate the length (in feet) of a quarter-wavelength vertical antenna?
Divide 150 by the antenna's operating frequency (in MHz) [150/f (in MHz)]
Divide 234 by the antenna's operating frequency (in MHz) [234/f (in MHz)]
Divide 300 by the antenna's operating frequency (in MHz) [300/f (in MHz)]
Divide 468 by the antenna's operating frequency (in MHz) [468/f (in MHz)]
B
1368 0
N9A03
How long should you make a half-wavelength dipole antenna for 3725 kHz (measured to the nearest foot)?
126 ft
81 ft
63 ft
40 ft
A
1369 0
N9A04
How long should you make a half-wavelength dipole antenna for 28.150 MHz (measured to the nearest foot)?
22 ft
11 ft
17 ft
34 ft
C
1370 0
N9A05
How long should you make a quarter-wavelength vertical antenna for 7125 kHz (measured to the nearest foot)?
11 ft
16 ft
21 ft
33 ft
D
1371 0
N9A06
How long should you make a quarter-wavelength vertical antenna for 21.125 MHz (measured to the nearest foot)?
7 ft
11 ft
4 ft
22 ft
B
1372 0
N9A07
How long should you make a half-wavelength vertical antenna for 223 MHz (measured to the nearest inch)?
112 inches
50 inches
25 inches
12 inches
C
1373 0
N9A08
If an antenna is made longer, what happens to its resonant frequency?
It decreases
It increases
It stays the same
It disappears
A
1374 0
N9A09
If an antenna is made shorter, what happens to its resonant frequency?
It decreases
It increases
It stays the same
It disappears
B
1375 0
N9A10
How could you decrease the resonant frequency of a dipole antenna?
Lengthen the antenna
Shorten the antenna
Use less feed line
Use a smaller size feed line
A
1376 0
N9A11
How could you increase the resonant frequency of a dipole antenna?
Lengthen the antenna
Shorten the antenna
Use more feed line
Use a larger size feed line
B
1377 0
N9A12
What is one advantage to using a multiband antenna?
You can operate on several bands with a single feed line
Multiband antennas always have high gain
You can transmit on several frequencies simultaneously
What is one disadvantage to using a multiband antenna?
It must always be used with a balun
It will always have low gain
It cannot handle high power
It can radiate unwanted harmonics
D
1379 0
N9B01
In what direction does a Yagi antenna send out radio energy?
It goes out equally in all directions
Most of it goes in one direction
Most of it goes equally in two opposite directions
Most of it is aimed high into the air
B
1380 0
N9B02
Approximately how long is the driven element of a Yagi antenna?
1/4 wavelength
1/3 wavelength
1/2 wavelength
1 wavelength
C
1381 0
N9B03
In Figure N9-1, what is the name of element 2 of the Yagi antenna?
Director
Reflector
Boom
Driven element
D
1382 0
Figure N9-1
N91.BM_
N9B04
In Figure N9-1, what is the name of element 3 of the Yagi antenna?
Director
Reflector
Boom
Driven element
A
1383 0
Figure N9-1
N91.BM_
N9B05
In Figure N9-1, what is the name of element 1 of the Yagi antenna?
Director
Reflector
Boom
Driven element
B
1384 0
Figure N9-1
N91.BM_
N9B06
Looking at the Yagi antenna in Figure N9-1, in which direction on the page would it send most of its radio energy?
Left
Right
Top
Bottom
B
1385 0
Figure N9-1
N91.BM_
N9B07
Which of the following factors has the greatest effect on the gain of a properly designed Yagi antenna?
The number of elements
Boom length
Element spacing
Element diameter
B
1386 0
N9B08
What is one advantage of a 5/8-wavelength vertical antenna as compared to a 1/4-wavelength vertical antenna for VHF or UHF mobile operations?
A 5/8-wavelength antenna can handle more power
A 5/8-wavelength antenna has more gain
A 5/8-wavelength antenna has less corona loss
A 5/8-wavelength antenna is easier to install on a car
B
1387 0
N9B09
In what direction does a vertical antenna send out radio energy?
Most of it goes in two opposite directions
Most of it goes high into the air
Most of it goes equally in all horizontal directions
Most of it goes in one direction
C
1388 0
N9B10
If the ends of a half-wave dipole antenna (mounted at least a half-wavelength high) point east and west, which way would the antenna send out radio energy?
Equally in all directions
Mostly up and down
Mostly north and south
Mostly east and west
C
1389 0
N9B11
Which is true of "rubber duck" antennas for hand-held transceivers?
The shorter they are, the better they perform
They are much less efficient than a quarter-wavelength telescopic antenna
They offer the highest amount of gain possible for any hand- held transceiver antenna
They have a good long-distance communications range
B
1390 0
N9C01
What is a coaxial cable?
Two wires side-by-side in a plastic ribbon
Two wires side-by-side held apart by insulating rods
Two wires twisted around each other in a spiral
A center wire inside an insulating material covered by a metal sleeve or shield
D
1391 0
N9C02
Why does coaxial cable make a good antenna feed line?
You can make it at home, and its impedance matches most amateur antennas
It is weatherproof, and it can be used near metal objects
It is weatherproof, and its impedance is higher than that of most amateur antennas
It can be used near metal objects, and its impedance is higher than that of most amateur antennas
B
1392 0
N9C03
Which kind of antenna feed line can carry radio energy very well even if it is buried in the ground?
Twin lead
Coaxial cable
Parallel conductor
Twisted pair
B
1393 0
N9C04
Why should you use only good quality coaxial cable and connectors for a UHF antenna system?
To keep RF loss low
To keep television interference high
To keep the power going to your antenna system from getting too high
To keep the standing-wave ratio of your antenna system high
A
1394 0
N9C05
What is the best antenna feed line to use if it must be put near grounded metal objects?
Coaxial cable
Twin lead
Twisted pair
Ladder-line
A
1395 0
N9C06
What is parallel-conductor feed line?
Two wires twisted around each other in a spiral
Two wires side-by-side held apart by insulating material
A center wire inside an insulating material that is covered by a metal sleeve or shield
A metal pipe that is as wide or slightly wider than a wavelength of the signal it carries
B
1396 0
N9C07
What are some reasons to use parallel-conductor, open-wire feed line?
It has low impedance and will operate with a high SWR
It will operate with a high SWR and it works well when tied down to metal objects
It has a low impedance and has less loss than coaxial cable
It will operate with a high SWR and has less loss than coaxial cable
D
1397 0
N9C08
What are some reasons not to use ladder line to feed your antenna?
It does not work well when tied down to metal objects and you must use an impedance-matching device with your transceiver
It is difficult to make at home and it does not work very well with a high SWR
It does not work well when tied down to metal objects and it cannot operate under high power
You must use an impedance-matching device with your transceiver and it does not work very well with a high SWR
A
1398 0
N9C09
What kind of antenna feed line is made of two conductors held apart by insulated rods?
Coaxial cable
Open-conductor ladder line
Twin lead in a plastic ribbon
Twisted pair
B
1399 0
N9C10
What would you use to connect a coaxial cable of 50-ohms impedance to an antenna of 35-ohms impedance?
A terminating resistor
An SWR meter
An impedance-matching device
A low-pass filter
C
1400 0
N9C11
What does balun mean?
Balanced antenna network
Balanced unloader
Balanced unmodulator
Balanced to unbalanced
D
1401 0
N9C12
Where would you install a balun to feed a dipole antenna with 50- ohm coaxial cable?
Between the coaxial cable and the antenna
Between the transmitter and the coaxial cable
Between the antenna and the ground
Between the coaxial cable and the ground
A
1402 0
N0A01
What factors affect the resulting RF fields radiated into the environment by an amateur transceiver?
Frequency and power level of the RF field
Antenna height and distance from the antenna to a person
Radiation pattern of the antenna
All of these answers are correct
D
1403 0
N0A02
Which of the following effects on the human body are a result of exposure to high levels of RF energy?
Very rapid hair growth
Very rapid growth of fingernails and toenails
Possible heating of body tissue
High levels of RF energy have no known effect on the human body
C
1404 0
N0A03
Why should you not stand within reach of any transmitting antenna when it is being fed with 1500 watts of RF energy?
It could result in the loss of the ability to move muscles
Your body would reflect the RF energy back to its source
It could cause cooling of body tissue
You could accidentally touch the antenna and be injured
D
1405 0
N0A04
What impact does a high concentration of RF energy have on the human body?
It can heat tissue below the body's surface
There are no known adverse biological effects
It can cause rapid, uncontrolled weight gain
It can produce arthritis-like joint pains
A
1406 0
N0A05
What is one effect of nonionizing radiation on the human body?
Cooling of body tissue
Heating of body tissue
Rapid dehydration
Sudden hair loss
B
1407 0
N0A06
What factors determine the location of the boundary between the near and far fields of an antenna?
Wavelength and the physical size of the antenna
Antenna height and element length
Boom length and element diameter
Transmitter power and antenna gain
A
1408 0
N0A07
Why should you not stand within reach of a high-gain 3-element "triband" Yagi transmitting antenna when it is being fed with 1500 watts of RF energy?
It could result in the loss of the ability to move muscles
Your body would reflect the RF energy back to its source
You could accidentally touch the antenna and be injured
It could cause cooling of body tissue
C
1409 0
N0A08
Why should you not stand within reach of a transmitting antenna when it is being fed with 1000 watts of RF energy?
It could result in the loss of the ability to move muscles
Your body would reflect the RF energy back to its source
You could accidentally touch the antenna and be injured
It could cause cooling of body tissue
C
1410 0
Fig. NT0-2
NT02.RF
N0A09
Why should you not stand within reach of a high-gain parabolic- dish transmitting antenna when it is being fed with 1500 watts of RF energy?
You could accidentally touch the antenna and be injured
It could result in the loss of the ability to move muscles
Your body would reflect the RF energy back to its source
It could cause cooling of body tissue
A
1411 0
Fig. NT0-2
NT02.RF
N0A10
Why should you not stand within reach of a high-gain 17-element Yagi transmitting antenna transmitting on 146 MHz when it is being fed with 1000 watts of RF energy?
You could accidentally touch the antenna and be injured
It could result in the loss of the ability to move muscles
Your body would reflect the RF energy back to its source
It could cause cooling of body tissue
A
1412 0
Fig. NT0-2
NT02.RF
N0A11
Why should you not stand within reach of a high-gain multiple- antenna transmitting array when it is being fed with 1500 watts of RF energy?
It could cause heating of body tissue
It could result in the loss of the ability to move muscles
Your body would reflect the RF energy back to its source
It could cause cooling of body tissue
A
1413 0
Fig. NT0-2
NT02.RF
N0B01
In what type of RF radiation exposure environment are amateurs and their households considered to be located?
An excluded RF radiation exposure environment
A "controlled" RF environment
An "uncontrolled" RF environment
Both a "controlled" and "uncontrolled" environment
B
1414 0
N0B02
What does the term "uncontrolled RF environment" mean when it is applied to RF radiation exposure?
A radio operator is not exercising proper antenna radiation safety
A location where there is RF radiation exposure to persons who have no knowledge or control of their exposure
A location where there is RF radiation exposure to persons who are aware of the potential for exposure
A transmitting station lacks the proper RF safety certification
B
1415 0
N0B03
What does the term "controlled RF environment" mean when it is applied to RF radiation exposure?
A location where there is RF radiation exposure to persons who are aware of the potential for exposure
A location that has been made inaccessible by a security fence
A location where there is RF radiation exposure to persons who have no knowledge or control of their exposure
A transmitter has been certified by the FCC to be safe for use at all frequencies
A
1416 0
N0B04
What unit of measurement specifies RF electric field strength?
Coulombs (C) at one wavelength from the antenna
Volts per meter (V/m)
Microfarads (uF) at the transmitter output
Microhenrys (uH) per square centimeter
B
1417 0
N0B05
What unit of measurement specifies RF magnetic field strength?
Coulombs (C) at one wavelength from the antenna
microfarads (uF) at the transmitter output
In polar units (Pu) at the antenna terminals
Amperes per meter (A/m)
D
1418 0
N0B06
Which of the following is considered to be nonionizing radiation?
X-radiation
Gamma radiation
Ultra violet radiation
Radio frequency radiation
D
1419 0
N0B07
In what type of RF environment are amateurs and their immediate families considered to be located?
They are in a "controlled" RF environment
They are excluded from the RF radiation exposure guidelines
They are in an "uncontrolled" or "general public" environment
None of these choices are correct
A
1420 0
N0B08
What is radiofrequency radiation?
Waves of electric and magnetic energy between 3 kHz and 300 GHz
Ultra-violet rays emitted by the sun between 20 Hz and 300 GHz
Sound energy given off by a radio receiver
Beams of X-Rays and Gamma rays emitted by a radio transmitter
A
1421 0
N0B09
Why are residential neighbors of an amateur station considered to be in an "uncontrolled" environment?
Because they are not under the jurisdiction of the Federal Communications Commission
Because they are generally aware of the potential for RF radiation exposure
Because the RF environment is primarily controlled by the sun
Because they cannot exercise control over their RF radiation exposure
D
1422 0
N0B10
Which of the following units of measurement are used to specify the power density of a radiated RF signal?
Milliwatts per square centimeter
Volts per meter
Amperes per meter
All of these choices are correct
A
1423 0
Fig. NT0-1
NT01.RF
N0B11
Referring to Figure NT0-1, which of the following equations should you use to calculate the maximum permissible exposure (MPE) on the Novice HF bands for a controlled RF radiation exposure environment?
Maximum permissible power density in mw per square cm equals 900 divided by the square of the operating frequency, in MHz
Maximum permissible power density in mw per square cm equals 180 divided by the square of the operating frequency, in MHz
Maximum permissible power density in mw per square cm equals 900 divided by the operating frequency, in MHz
Maximum permissible power density in mw per square cm equals 180 divided by the operating frequency, in MHz
A
1424 0
Fig. NT0-1
NT01.RF
N0B12
Referring to Figure NT0-1, which of the following equations should you use to calculate the maximum permissible exposure (MPE) on the Novice HF bands for a controlled RF radiation exposure environment?
Maximum permissible electric field strength in volts per meter equals 824 divided by the operating frequency, in MHz
Maximum permissible electric field strength in volts per meter equals 1842 divided by the operating frequency, in MHz
Maximum permissible electric field strength in volts per meter equals 1842 divided by the square of the operating frequency, in MHz
Maximum permissible electric field strength in volts per meter equals 824 divided by the operating frequency, in MHz
B
1425 0
Fig. NT0-1
NT01.RF
N0B13
Referring to Figure NT0-1, which of the following equations should you use to calculate the maximum permissible exposure (MPE) on the Novice HF bands for an uncontrolled RF radiation exposure environment?
Maximum permissible power density in mw per square cm equals 900 divided by the square of the operating frequency, in MHz
Maximum permissible power density in mw per square cm equals 180 divided by the square of the operating frequency, in MHz
Maximum permissible power density in mw per square cm equals 900 divided by the operating frequency, in MHz
Maximum permissible power density in mw per square cm equals 180 divided by the operating frequency, in MHz
B
1426 0
Fig. NT0-1
NT01.RF
N0B14
Referring to Figure NT0-1, which of the following equations should you use to calculate the maximum permissible exposure (MPE) on the Novice HF bands for an uncontrolled RF radiation exposure environment?
Maximum permissible magnetic field strength in amperes per meter equals 2.19 divided by the square of the operating frequency, in MHz
Maximum permissible magnetic field strength in amperes per meter equals 4.89 divided by the square of the operating frequency, in MHz
Maximum permissible magnetic field strength in amperes per meter equals 2.19 divided by the operating frequency, in MHz
Maximum permissible magnetic field strength in amperes per meter equals 4.89 divided by the operating frequency, in MHz
C
1427 0
Fig. NT0-1
NT01.RF
N0C01
What amateur stations must comply with the requirements for RF radiation exposure spelled out in Part 97?
Stations with antennas that exceed 10 dBi of gain.
Stations that have a duty cycle greater than 50 percent.
Stations that run more than 50 watts peak envelope power (PEP)
All amateur stations regardless of power
D
1428 0
N0C02
Who is responsible for ensuring that an amateur station complies with FCC Rules about RF radiation exposure?
The Federal Communications Commission
The Environmental Protection Agency
The licensee of the amateur station
The Food and Drug Administration
C
1429 0
N0C03
At what frequencies do the FCC's RF radiation exposure guidelines incorporate limits for Maximum Permissible Exposure (MPE)?
All frequencies below 30 MHz
All frequencies between 20,000 Hz and 10 MHz
All frequencies between 300 kHz and 100 GHz
All frequencies above 300 GHz
C
1430 0
Fig. NT0-1
NT01.RF
N0C04
Which category of transceiver is not excluded from the requirement to perform a routine station evaluation?
Hand-held transceivers
Base station transmitters with power outputs of more than 50 watts peak envelope power (PEP)
Vehicle-mounted push-to-talk mobile radios
Portable transceivers with high duty cycles
B
1431 0
N0C05
To determine compliance with the maximum permitted exposure (MPE) levels, safe exposure levels for RF energy are averaged for an "uncontrolled" RF environment over what time period?
6 minutes
10 minutes
15 minutes
30 minutes
D
1432 0
Fig. NT0-1
NT01.RF
N0C06
To determine compliance with the maximum permitted exposure (MPE) levels, safe exposure levels for RF energy are averaged for a "controlled" RF environment over what time period?
6 minutes
10 minutes
15 minutes
30 minutes
A
1433 0
Fig. NT0-1
NT01.RF
N0C07
What do the FCC RF radiation exposure regulations establish?
Maximum radiated field strength
Minimum permissible HF antenna height
Maximum permissible exposure limits
All of these choices are correct
C
1434 0
Fig. NT0-1
NT01.RF
N0C08
What do the FCC Rules specify for the maximum RF radiation field strength?
Amateur stations may not exceed an RF radiated field strength of 5 volts per meter
No station may transmit a signal that produces an RF radiated field strength greater than 10 amperes per meter
The maximum permissible power density from an amateur station antenna is 50 watts per square meter
The FCC Rules do not specify maximum RF radiation field strengths
D
1435 0
Fig. NT0-1
NT01.RF
N0C09
What is the averaging time to be considered for maximum permissible exposure (MPE) in controlled RF exposure environments?
3 minutes
6 minutes
30 minutes
60 minutes
B
1436 0
Fig. NT0-1
NT01.RF
N0C10
What is the averaging time to be considered for maximum permissible exposure (MPE) in uncontrolled RF exposure environments?
3 minutes
6 minutes
30 minutes
60 minutes
C
1437 0
Fig. NT0-1
NT01.RF
N0C11
Referring to Figure NT0-1, what is the maximum permissible exposure (MPE) limit for controlled environments on 3.7 MHz?
Equivalent far-field power density of 1.32 milliwatts per square centimeter
Equivalent far-field power density of 13.1 milliwatts per square centimeter
Equivalent far-field power density of 65.7 milliwatts per square centimeter
Equivalent far-field power density of 500 milliwatts per square centimeter
C
1438 0
Fig. NT0-1
NT01.RF
N0C12
Referring to Figure NT0-1, what is the maximum permissible exposure (MPE) limit for uncontrolled environments on 28.4 MHz?
Equivalent far-field power density of 0.077 milliwatts per square centimeter
Equivalent far-field power density of 0.22 milliwatts per square centimeter
Equivalent far-field power density of 1.1 milliwatts per square centimeter
Equivalent far-field power density of 29.1 milliwatts per square centimeter
B
1439 0
Fig. NT0-1
NT01.RF
N0C13
Referring to Figure NT0-1, what is the maximum permissible exposure (MPE) limit for uncontrolled environments on the 222-MHz Novice band?
0.073 milliwatts per square centimeter
0.2 milliwatts per square centimeter
1 milliwatts per square centimeter
27.5 milliwatts per square centimeter
B
1440 0
Fig. NT0-1
NT01.RF
N0C14
Referring to Figure NT0-1, what is the maximum permissible exposure (MPE) limit for controlled environments on the 1270-MHz Novice band?
0.011 milliwatts per square centimeter
0.85 milliwatts per square centimeter
4.2 milliwatts per square centimeter
100 milliwatts per square centimeter
C
1441 0
Fig. NT0-1
NT01.RF
N0C15
How does an Amateur Radio operator demonstrate that he or she has read and understood the FCC rules about RF-radiation exposure?
By indicating his or her understanding of this requirement on the Form 610 at the time of application
By posting a copy of Part 97 at the station
By completing an FCC Environmental Assessment Form
By completing an FCC Environmental Impact Statement
A
1442 0
N0C16
What is the minimum safe distance for an uncontrolled RF radiation environment from a station using a half-wavelength dipole antenna on 3.5 MHz at 100 watts PEP, as specified in Table NT0-1?
6 feet
0.7 foot
1.5 feet
3 feet
C
1443 0
Table NT0-1
Table.RF
N0C17
What is the minimum safe distance for a controlled RF radiation environment from a station using a quarter-wave vertical antenna on 28 MHz at 100 watts PEP, as specified in Table NT0-1?
4.9 feet
3.5 feet
7 feet
11 feet
A
1444 0
Table NT0-1
Table.RF
N0C18
What is the minimum safe distance for a controlled RF radiation environment from a station using a half-wavelength dipole antenna on 7 MHz at 100 watts PEP, as specified in Table NT0-1?
1.4 foot
2 feet
3.1 feet
6.5 feet
A
1445 0
Table NT0-1
Table.RF
N0C19
What is the minimum safe distance for a controlled RF radiation environment from a station using a half-wavelength dipole antenna on 21 MHz at 100 watts PEP, as specified in Table NT0-1?
1.5 feet
2 feet
4.1 feet
9.2 feet
C
1446 0
Table NT0-1
Table.RF
N0C20
What is the minimum safe distance for an uncontrolled RF radiation environment from a station using a half-wavelength dipole antenna on 21 MHz at 100 watts PEP, as specified in Table NT0-1?
4.1 feet
9.2 feet
8 feet
13 feet
B
1447 0
Table NT0-1
Table.RF
N0C21
Using Table NT0-1 what is the minimum safe distance for a controlled RF radiation environment from a station using a half- wavelength dipole antenna on 3.5 MHz at 100 watts?
6 feet
1.5 feet
0.7 foot
3 feet
C
1448 0
Table NT0-1
Table.RF
N0C22
Using Table NT0-1 what is the minimum safe distance for an uncontrolled RF radiation environment from a station using a quarter-wave vertical antenna on 7 MHz at 100 watts?
4.0 feet
2.7 feet
1.2 feet
7.5 feet
B
1449 0
Table NT0-1
Table.RF
N0C23
What is the minimum safe distance for a controlled RF radiation environment from a station using a half-wavelength dipole antenna on 7 MHz at 100 watts PEP, as specified in Table NT0-1?
1.4 foot
3.1 feet
4.5 feet
6.5 feet
A
1450 0
Table NT0-1
Table.RF
N0C24
Using Table NT0-1 what is the controlled limit for a station using a 21 MHz quarter-wave vertical at 100 watts?
3.7 feet
6 feet
8.2 feet
20 feet
A
1451 0
Table NT0-1
Table.RF
N0C25
Using Table NT0-1 what is the uncontrolled limit for a station using a 21 MHz quarter-wave vertical at 100 watts?
3.7 feet
8.2 feet
11.5 feet
D. 20 feet
B
1452 0
Table NT0-1
Table.RF
N0C26
What is the minimum safe distance for an uncontrolled RF radiation environment from a station using a half-wavelength dipole antenna on 21 MHz at 100 watts PEP, as specified in Table NT0-1?
2.5 feet
9.2 feet
4.1 feet
13 feet
B
1453 0
Table NT0-1
Table.RF
N0C27
Using Table NT0-1 what is the minimum safe distance for an uncontrolled RF radiation environment from a station using a 28 MHz half-wavelength dipole antenna at 100 watts?
12.3 feet
5.5 feet
26.5 feet
30 feet
A
1454 0
Table NT0-1
Table.RF
N0D01
Which of the following antennas would (generally) create a stronger RF field on the ground beneath the antenna?
A horizontal loop at 30 meters above ground
A 3-element Yagi at 30 meters above ground
A 1/2 wave dipole antenna 5 meters above ground
A 3-element Quad at 30 meters above ground
C
1455 0
Fig. NT0-2
NT02.RF
N0D02
How does an amateur determine if his or her transmitted signal is within the RF radiation exposure guidelines?
By calling the FCC for a station inspection
By determining or analyzing transmitted field strength and power density
Compliance is determined by the transmitter manufacturer
By the use of a reflectometer and standing wave ratio (SWR) readings
B
1456 0
Table NT0-1
Table.RF
N0D03
How may an amateur determine that his or her station complies with FCC RF-exposure regulations?
By calculation, based on FCC OET Bulletin No. 65
By calculation, based on computer modeling
By measurement, measuring the field strength using calibrated equipment
Any of these choices
D
1457 0
N0D04
Below what power level are amateur radio operators categorically excluded from routine evaluation to predict if the RF exposure from their station could be excessive?
25 watts peak envelope power (PEP)
50 watts peak envelope power (PEP)
100 watts peak envelope power (PEP)
500 watts peak envelope power (PEP)
B
1458 0
N0D05
Above what transmitter power level is a routine RF radiation evaluation required?
25 watts peak envelope power (PEP)
50 watts peak envelope power (PEP)
100 watts input power
250 watts output power
B
1459 0
N0D06
What must you do with the records of a routine RF radiation exposure evaluation?
They must be sent to the nearest FCC field office
They must be sent to the Environmental Protection Agency
They must be attached to each Form 610 when it is sent to the FCC for processing
Though not required, records may prove useful if the FCC asks for documentation to substantiate that an evaluation has been performed
D
1460 0
N0D07
Which of the following instruments might you use to measure the RF radiation exposure levels in the vicinity of your station?
A calibrated field strength meter with a calibrated field strength sensor
A calibrated in-line wattmeter with a calibrated length of feed line
A calibrated RF impedance bridge
An amateur receiver with an S meter calibrated to National Bureau of Standards and Technology station WWV
A
1461 0
N0D08
What factors can affect the accuracy of field strength measurements?
Interaction of the probe and measurement personnel with the near field
Frequency response of the test equipment and probes
Orientation of the probe with respect to the antenna polarity
All of these choices are correct
D
1462 0
N0D09
What effect does the antenna gain and directivity have on a routine RF exposure evaluation?
Gain and directivity are part of the formulas used to perform calculations
The maximum permissible exposure (MPE) limits are directly proportional to antenna gain
The maximum permissible exposure (MPE) limits are inversely proportional to antenna directivity
All of these choices are correct
A
1463 0
Table NT0-1
Table.RF
N0D10
What effect will nearby conductors such as telephone wiring or aluminum siding have on the field strength at any point near an antenna?
Conductors that are not part of the actual antenna will have no effect on the field strength
Conductors in the near field will interact with the field to add or subtract intensity, resulting in areas of varying field strength
Conductors in the near field will always interact with the field to increase the strength of the signal radiated from the antenna
Conductors in the near field will always interact with the field to decrease the strength of the signal radiated from the antenna
B
1464 0
N0D11
As a general rule, what effect does antenna height above ground have on the RF exposure environment?
Power density is not related to antenna height or distance from the RF exposure environment
Antennas that are farther above ground produce higher maximum permissible exposures (MPE)
The higher the antenna the less the RF radiation exposure at ground level
RF radiation exposure is increased when the antenna is higher above ground
C
1465 0
Fig NT0-2
NT02.RF
N0E01
Which of the following steps is not helpful in reducing RF radiation exposure?
Reduce power
Adjust operating times or mode to produce a lower duty cycle
Locate the antenna more distant from areas of controlled and uncontrolled exposure
Install a low-pass filter in the antenna feed line
D
1466 0
N0E02
Which of the following steps would help you to comply with RF- radiation exposure guidelines for uncontrolled RF environments?
Reduce transmitting times within a 6-minute period to reduce the station duty cycle
Operate only during periods of high solar absorption
Reduce transmitting times within a 30-minute period to reduce the station duty cycle
Operate only on high duty cycle modes
C
1467 0
Fig NT0-1
NT01.RF
N0E03
Which of the following steps would help you to comply with RF- exposure guidelines for controlled RF environments?
Reduce transmitting times within a 30-minute period to reduce the station duty cycle
Operate only during periods of high solar absorption
Reduce transmitting times within a 6-minute period to reduce the station duty cycle
Operate only on high duty cycle modes
C
1468 0
Fig NT0-1
NT01.RF
N0E04
Why should you make sure the antenna of a hand-held transceiver is not too close to your head when transmitting?
To help the antenna radiate energy equally in all directions
To reduce your exposure to the radio-frequency energy
To use your body to reflect the signal in one direction
To keep electrostatic charges from harming the operator
B
1469 0
Fig. NT0-2
NT02.RF
N0E05
What should you do for safety if you put up a UHF transmitting antenna?
Make sure the antenna will be in a place where no one can get near it when you are transmitting
Make sure that RF field screens are in place
Make sure the antenna is near the ground to keep its RF energy pointing in the correct direction
Make sure you connect an RF leakage filter at the antenna feed point
A
1470 0
Fig. NT0-2
NT02.RF
N0E06
How should you position the antenna of a hand-held transceiver while you are transmitting?
Away from your head and away from others
Towards the station you are contacting
Away from the station you are contacting
Down to bounce the signal off the ground
A
1471 0
Fig. NT0-2
NT02.RF
N0E07
Why should your antennas be located so that no one can touch them while you are transmitting?
Touching the antenna might cause television interference
Touching the antenna might cause RF burns
Touching the antenna might cause it to radiate harmonics
Touching the antenna might cause it to go into self- oscillation
B
1472 0
N0E08
Why should you make sure that no one can touch an open-wire feed line while you are transmitting with it?
Because open-wire feed lines radiate large electric fields
Because the radiation from open-wire feed lines can cause body tissue cooling
Because contact might cause spurious emissions
Because high-voltage radio energy might burn the person
D
1473 0
N0E09
For the least RF exposure, what is the best thing to do with your transmitting antennas?
Use vertical polarization
Use horizontal polarization
Mount the antennas where no one can come near them
Mount the antenna close to the ground
C
1474 0
Fig. NT0-2
NT02.RF
N0E10
To avoid excessively high human exposure to RF fields, how should amateur antennas generally be mounted?
With a high current point near ground
As far away from accessible areas as possible
On a nonmetallic mast
With the elements in a horizontal polarization
B
1475 0
Fig. NT0-2
NT02.RF
N0E11
For the least RF radiation exposure, what is the minimum height at which you should place your horizontal wire antenna?
High enough to ensure compliance with the FCC RF radiation exposure guidelines
As close to the ground as possible
Just high enough so you can easily reach it for adjustments or repairs
Above high-voltage electrical lines
A
1476 0
Fig. NT0-2
NT02.RF
N0E12
What action can amateur operators take to prevent exposure to RF radiation in excess of the FCC-specified limits?
Alter antenna patterns
Relocate antennas
Revise station technical parameters, such as frequency, power, or emission type
All of these choices are correct
D
1477 0
Fig. NT0-2
NT02.RF
N0E13
Which of the following radio frequency emissions will result in the least RF radiation exposure if they all have the same peak envelope power (PEP)?
Two-way exchanges of phase-modulated (PM) telephony
Two-way exchanges of frequency-modulated (FM) telephony
Two-way exchanges of single-sideband (SSB) telephony
Two-way exchanges of Morse code (CW) communication
C
1478 0
N0E14
What is the minimum safe distance for an uncontrolled RF radiation environment from a station using a 3-element "triband" Yagi antenna on 21 MHz at 100 watts PEP, as specified in Table NT0-1?
16.4 feet
14.5 feet
7.3 feet
23 feet
A
1479 0
Table NT0-1
Table.RF
N0E15
What is the minimum safe distance for a controlled RF radiation environment from a station using a 3-element "triband" Yagi antenna on 21 MHz at 100 watts PEP, as specified in Table NT0-1?
7.3 feet
10 feet
16.4 feet
23 feet
A
1480 0
Table NT0-1
Table.RF
N0E16
What is the minimum safe distance for a controlled RF radiation environment from a station using a 3-element "triband" Yagi antenna on 28 MHz at 100 watts PEP, as specified in Table NT0-1?
15 feet
11 feet
24.5 feet
18 feet
B
1481 0
Table NT-01
Table.RF
N0E17
What is the minimum safe distance for an uncontrolled RF radiation environment from a station using a 3-element "triband" Yagi antenna on 28 MHz at 100 watts PEP, as specified in Table NT0-1?
