N1A01999NWhat 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 AN1A02999NWho 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) BN1A03999NWhich 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 AN1A04999NWhich 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 DN1A05999NWhat 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 AN1A06999NWhat 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 DN1A07999NWhat 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 BN1A08999NWhat 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 CN1A09999NWhat 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 DN1A10999NWhat 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 CN1A11999NWhat 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 CN1B01999NWhich 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 DN1B02999NWhat 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 BN1B03999NWhich 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 CN1B04999NWhere 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 BN1B05999NHow 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 CN1B06999NWhat 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 AN1B07999NWhich 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 CN1B08999NWhat 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 CN1B09999NWhat 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 AN1B10999NWhat 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 DN1B11999NWhat 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 AN1B12999NWhich 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 DN1B13999NWhich US amateur license has no Morse code requirements? Amateur Extra Advanced General Technician DN1C01999NWhat are the frequency limits of the 80-meter Novice band? 3500 - 4000 kHz 3675 - 3725 kHz 7100 - 7150 kHz 7000 - 7300 kHz BN1C02999NWhat 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 CN1C03999NWhat 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 AN1C04999NWhat 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 CN1C05999NWhat 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 BN1C06999NWhat are the frequency limits of the 23-centimeter Novice band? 1260 - 1270 MHz 1240 - 1300 MHz 1270 - 1295 MHz 1240 - 1246 MHz CN1C07999NIf you are operating on 3710 kHz, in what amateur band are you operating? 80 meters 40 meters 15 meters 10 meters AN1C08999NIf you are operating on 7135 kHz, in what amateur band are you operating? 80 meters 40 meters 15 meters 10 meters BN1C09999NIf you are operating on 21.165 MHz, in what amateur band are you operating? 80 meters 40 meters 15 meters 10 meters CN1C10999NIf you are operating on 28.400 MHz, in what amateur band are you operating? 80 meters 40 meters 15 meters 10 meters DN1C11999NIf you are operating on 223.50 MHz, in what amateur band are you operating? 15 meters 10 meters 2 meters 1.25 meters DN1D01999NWho 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 AN1D02999NWhat 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 DN1D03999NWhat minimum examinations must you pass for a Novice amateur license? A written exam, Element 1(A); and a 5-WPM code exam, Element 2(A) 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 CN1D04999NWhy 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 BN1D05999NWhat 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 DN1D06999NWhat 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 BN1D07999NWhich of the following call signs is a valid US amateur call? UZ4FWD KBL7766 KA1TMJ VE3BKJ CN1D08999NWhat 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 BN1D09999NWhat 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 DN1D10999NFor how many years is a new amateur license normally issued? 2 5 10 15 CN1D11999NHow 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 AN1D12999NHow 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 CN1E01999NWhat emission types are Novice control operators allowed to use in the 80-meter band? CW only Data only RTTY only Phone only AN1E02999NWhat emission types are Novice control operators allowed to use in the 40-meter band? CW only Data only RTTY only Phone only AN1E03999NWhat emission types are Novice control operators allowed to use in the 15-meter band? CW only Data only RTTY only Phone only AN1E04999NWhat emission types are Novice control operators allowed to use from 3675 to 3725 kHz? Phone only Image only Data only CW only DN1E05999NWhat 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 DN1E06999NWhat 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 DN1E07999NWhat 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 CN1E08999NWhat 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 CN1E09999NWhat 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 DN1E10999NWhat 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 DN1E11999NOn what HF frequencies may Novice control operators use single-sideband (SSB) phone? 3700 - 3750 kHz 7100 - 7150 kHz 21100 - 21200 kHz 28300 - 28500 kHz DN1E12999NOn 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 CN1E13999NOn 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 BN1E14999NOn 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 BN1F01999NWhat 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 DN1F02999NWhat 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 CN1F03999NWhat 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 CN1F04999NWhat 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 CN1F05999NWhat 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 CN1F06999NWhat 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 CN1F07999NWhat 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 BN1F08999NWhat 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 AN1F09999NOn 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 AN1F10999NOn 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 CN1F11999NOn 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 DN1F12999NIf 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 DN1F13999NWhat name does the FCC use for telemetry, telecommand or computer communications emissions? CW Image Data RTTY CN1F14999NWhat name does the FCC use for narrow-band direct-printing telegraphy emissions? CW Image Data RTTY DN1G01999NWhat 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 DN1G02999NWho 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 CN1G03999NIf 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 AN1G04999NWhat 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 DN1G05999NWho 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 CN1G06999NIf 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 BN1G07999NIf 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 AN1G08999NIf 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 BN1G09999NWhen 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 CN1G10999NWhen 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 AN1G11999NWhy 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 BN1H01999NHow 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 CN1H02999NWhat do you transmit to identify your amateur station? Your "handle" Your call sign Your first name and your location Your full name BN1H03999NWhat 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 AN1H04999NWhat 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 CN1H05999NBesides 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 BN1H06999NWhat is the longest period of time an amateur station can operate without transmitting its call sign? 5 minutes 10 minutes 15 minutes 30 minutes BN1H07999NWith 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 CN1H08999NUnder 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 BN1H09999NWhen 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 DN1H10999NIf 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 BN1H11999NDo 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 AN1H12999NWhen 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 CN1I01999NWhen 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 DN1I02999NWhat 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 CN1I03999NWho 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 BN1I04999NWhen 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 DN1I05999NWhen 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 AN1I06999NWhen 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 AN1I07999NWhen 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 CN1I08999NWhat 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 AN1I09999NWhat 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 BN1I10999NIf 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 AN1I11999NWhen 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 DN1I12999NIf 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 DN1I13999NWhen 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 CN1I14999NWhen 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 BN1J01999NWhen 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 AN1J02999NIf 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 CN1J03999NWhat is a transmission called that disturbs other communications? Interrupted CW Harmful interference Transponder signals Unidentified transmissions BN1J04999NIf 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 AN1J05999NWhy 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 BN1J06999NWhen 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 CN1J07999NWhen 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 CN1J08999NWhat is an amateur communication called that does not have the required station identification? Unidentified communications or signals Reluctance modulation Test emission Tactical communication AN1J09999NIf 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 DN1J10999NIf 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 CN1J11999NIf 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 BN2A01999NWhat 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 AN2A02999NWhat 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 CN2A03999NIf 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 DN2A04999NWhat 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 BN2A05999NHow 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 BN2A06999NAt 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 CN2A07999NWhat 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" DN2A08999NWhat 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" AN2A09999NWhat is the meaning of the procedural signal "K"? "Any station transmit" "All received correctly" "End of message" "Called station only transmit" AN2A10999NWhat is meant by the term "DX"? Best regards Distant station Calling any station Go ahead BN2A11999NWhat is the meaning of the term "73"? Long distance Best regards Love and kisses Go ahead BN2A12999NWhat 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 CN2A13999NWhat does RST mean in a signal report? Recovery, signal strength, tempo Recovery, signal speed, tone Readability, signal speed, tempo Readability, signal strength, tone DN2A14999NWhat is one meaning of the Q signal "QRS"? "Interference from static" "Send more slowly" "Send RST report" "Radio station location is" BN2A15999NWhat is one meaning of the Q signal "QTH"? "Time here is" "My name is" "Stop sending" "My location is" DN2A16999NWhat 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 CN2A17999NWhat 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 CN2A18999NHow 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 DN2A19999NWhat is the proper Q signal to use to see if a frequency is in use before transmitting on CW? QRV? QRU? QRL? QRZ? CN2A20999NWhat is one meaning of the Q signal "QSY"? "Change frequency" "Send more slowly" "Send faster" "Use more power" AN2A21999NWhat 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 BN2A22999NWhat is the proper Q signal to use to ask if someone is calling you on CW? QSL? QRZ? QRL? QRT? BN2A23999NTo 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 AN2B01999NWhat 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 BN2B02999NWhat 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 BN2B03999NWhat 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 BN2B04999NWhat 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 CN2B05999NWhat 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 DN2B06999NWhat 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 AN2B07999NWhat 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 BN2B08999NWhat 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 CN2B09999NWhen 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 AN2B10999NWhat 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 AN2B11999NWhat 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 CN2B12999NWhat 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 DN2B13999NWhat 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 BN2B14999NWhat 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 AN2B15999NWhen 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 BN3A01999NWhen 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 AN3A02999NHow 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 BN3A03999NWhen 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 DN3A04999NHow 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 BN3A05999NWhen 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 AN3A06999NWhat 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 CN3A07999NWhat 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 CN3A08999NWhat are the regions of ionized gases high above the Earth called? The ionosphere The troposphere The gas region The ion zone AN3A09999NWhat is the name of the area of the atmosphere that makes long-distance radio communications possible by bending radio waves? Troposphere Stratosphere Magnetosphere Ionosphere DN3A10999NWhat 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 AN3A11999NWhat type of solar radiation is most responsible for ionization in the outer atmosphere? Thermal Non-ionized particle Ultraviolet Microwave CN3A12999NWhich ionospheric region is closest to the Earth? The A region The D region The E region The F region BN3A13999NWhich region of the ionosphere is mainly responsible for long-distance sky-wave radio communications? D region E region F1 region F2 region DN3A14999NWhich of the ionospheric regions may split into two regions only during the daytime? Troposphere F Electrostatic D BN3A15999NWhich two daytime ionospheric regions combine into one region at night? E and F1 D and E F1 and F2 E1 and E2 CN3A16999NHow 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 AN3A17999NHow long is an average sunspot cycle? 2 years 5 years 11 years 17 years CN3A18999NWhat 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 CN4A01999NHow 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 BN4A02999NHow 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 AN4A03999NWhy 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 AN4A04999NHow 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 CN4A05999NHow 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 DN4A06999NFor 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 BN4A07999NWhy 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 DN4A08999NWhat 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 AN4A09999NWhere 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 CN4A10999NWhich of these materials is best for a ground rod driven into the earth? Hard plastic Copper or copper-clad steel Iron or steel Fiberglass BN4A11999NIf 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 CN4B01999NWhy 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 DN4B02999NWhat 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 AN4B03999NWhat 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 DN4B04999NWhy 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 DN4B05999NWhy 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 CN4B06999NWhat 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 DN4B07999NWhat 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 AN4B08999NWhat 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 DN4B09999NWhich 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 BN4B10999NWhat 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 AN4B11999NWhat 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 BN4B12999NIn 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 DN4B13999NWhat 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 CN4C01999NWhat 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 BN4C02999NWhat 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 CN4C03999NWhat 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 DN4C04999NWhat 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 AN4C05999NWhat 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 AN4C06999NIf 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 BN4C07999NIf 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 CN4C08999NIf 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 AN4C09999NWhat instrument is used to measure standing wave ratio? An ohmmeter An ammeter An SWR meter A current bridge CN4C10999NWhat 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 DN4C11999NWhere 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 AN4D01999NWhat 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 CN4D02999NWhat 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 AN4D03999NWhy 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 AN4D04999NWhat type of interference may come from a multi-band antenna connected to a poorly tuned transmitter? Harmonic radiation Auroral distortion Parasitic excitation Intermodulation AN4D05999NWhat 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 CN4D06999NWhat 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 BN4D07999NWhat 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 BN4D08999NIf 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 CN4D09999NIf 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 DN4D10999NWhat 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 BN4D11999NWhat 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 BN4D12999NWhat 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 CN4D13999NIf 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 AN4D14999NIf 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 CN4D15999NIf 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 DN5A01999NIf 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 BN5A02999NIf 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 CN5A03999NIf 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 DN5A04999NIf an antenna is 400 centimeters long, what is its length in meters? 0.0004 meters 4 meters 40 meters 40,000 meters BN5A05999NIf 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 CN5A06999NIf 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 BN5A07999NHow many farads is 500,000 microfarads? 0.0005 farads 0.5 farads 500 farads 500,000,000 farads BN5A08999NHow many microfarads is 1,000,000 picofarads? 0.001 microfarads 1 microfarad 1000 microfarads 1,000,000,000 microfarads BN5A09999NHow many hertz are in a kilohertz? 10 100 1000 1,000,000 CN5A10999NHow many kilohertz are in a megahertz? 10 100 1000 1,000,000 CN5A11999NIf you have a hand-held transceiver with an output of 500 milliwatts, how many watts would this be? 0.02 0.5 5 50 BN5A12999NIf 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 CN5A13999NIf 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 CN5B01999NWhat is the name for the flow of electrons in an electric circuit? Voltage Resistance Capacitance Current DN5B02999NWhat is the basic unit of electric current? The volt The watt The ampere The ohm CN5B03999NWhich instrument would you use to measure electric current? An ohmmeter A wavemeter A voltmeter An ammeter DN5B04999NWhat 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 BN5B05999NWhat is the basic unit of electromotive force (EMF)? The volt The watt The ampere The ohm AN5B06999NHow much voltage does an automobile battery usually supply? About 12 volts About 30 volts About 120 volts About 240 volts AN5B07999NHow much voltage does a wall outlet usually supply (in the US)? About 12 volts About 30 volts About 120 volts About 480 volts CN5B08999NWhich instrument would you use to measure electric potential or electromotive force? An ammeter A voltmeter A wavemeter An ohmmeter BN5B09999NWhat limits the current that flows through a circuit for a particular applied DC voltage? Reliance Reactance Saturation Resistance DN5B10999NWhat is the basic unit of resistance? The volt The watt The ampere The ohm DN5B11999NWhich instrument would you use to measure resistance? An ammeter A voltmeter An ohmmeter A wavemeter CN5B12999NWhat are three good electrical conductors? Copper, gold, mica Gold, silver, wood Gold, silver, aluminum Copper, aluminum, paper CN5B13999NWhat are four good electrical insulators? Glass, air, plastic, porcelain Glass, wood, copper, porcelain Paper, glass, air, aluminum Plastic, rubber, wood, carbon AN5B14999NWhat 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 BN5C01999NWhat 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 AN5C02999NWhich 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 CN5C03999NIf 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 CN5C04999NIf 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 BN5C05999NIf 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 BN5C06999NWhat term describes how fast electrical energy is used? Resistance Current Power Voltage CN5C07999NIf 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 CN5C08999NWhat is the basic unit of electrical power? The ohm The watt The volt The ampere BN5C09999NWhich electrical circuit can have no current? A closed circuit A short circuit An open circuit A complete circuit CN5C10999NWhat type of electrical circuit is created when a fuse blows? A closed circuit A bypass circuit An open circuit A short circuit CN5C11999NWhich electrical circuit draws too much current? An open circuit A dead circuit A closed circuit A short circuit DN5D01999NWhat is the name of a current that flows only in one direction? An alternating current A direct current A normal current A smooth current BN5D02999NWhich of the following will produce an alternating current (AC)? A lead-acid automotive battery A solar array A fuel cell A commercial generating station DN5D03999NWhat 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 A steady state current AN5D04999NWhich of the following will produce a direct current (DC)? A NiCd battery An RF signal generator A commercial generating station A crystal calibrator AN5D05999NWhat term means the number of times per second that an alternating current flows back and forth? Pulse rate Speed Wavelength Frequency DN5D06999NWhat is the basic unit of frequency? The hertz The watt The ampere The ohm AN5D07999NMost humans can hear sounds in what frequency range? 0 - 20 Hz 20 - 20,000 Hz 200 - 200,000 Hz 10,000 - 30,000 Hz BN5D08999NWhy 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 BN5D09999NWhat 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 CN5D10999NElectrical energy at a frequency of 7125 kHz is in what frequency range? Audio Radio Hyper Super-high BN5D11999NIf 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 CN5D12999NWhat does 60 hertz (Hz) mean? 6000 cycles per second 60 cycles per second 6000 meters per second 60 meters per second BN5D13999NWhat is the name for the distance an AC signal travels during one complete cycle? Wave speed Waveform Wavelength Wave spread CN5D14999NWhat happens to a signal's wavelength as its frequency increases? It gets shorter It gets longer It stays the same It disappears AN5D15999NWhat happens to a signal's frequency as its wavelength gets longer? It goes down It goes up It stays the same It disappears AN6A01999NWhy 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 BN6A02999NWhy 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 DN6A03999NWhy 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 DN6A04999NWhich of these components has a positive and a negative side? A battery A potentiometer A fuse A resistor AN6A05999NWhich of these components has a value that can be varied? A single-cell battery A potentiometer A fuse A resistor BN6A06999YIn Figure N6-1, which symbol represents a variable resistor or potentiometer? Symbol 1 Symbol 2 Symbol 3 Symbol 6 BN6A07999YIn Figure N6-1, which symbol represents a fixed resistor? Symbol 1 Symbol 2 Symbol 3 Symbol 4 CN6A08999YIn Figure N6-1, which symbol represents a fuse? Symbol 1 Symbol 3 Symbol 5 Symbol 7 AN6A09999YIn Figure N6-1, which symbol represents a single-cell battery? Symbol 7 Symbol 5 Symbol 1 Symbol 4 DN6A10999YIn Figure N6-2, which symbol represents a single-pole, single-throw switch? Symbol 1 Symbol 2 Symbol 3 Symbol 4 AN6A11999YIn Figure N6-2, which symbol represents a single-pole, double-throw switch? Symbol 1 Symbol 2 Symbol 3 Symbol 4 DN6A12999YIn Figure N6-2, which symbol represents a double-pole, single-throw switch? Symbol 1 Symbol 2 Symbol 3 Symbol 4 CN6A13999YIn Figure N6-2, which symbol represents a double-pole, double-throw switch? Symbol 1 Symbol 2 Symbol 3 Symbol 4 BN6B01999NWhich component can amplify a small signal using low voltages? A PNP transistor A variable resistor An electrolytic capacitor A multiple-cell battery AN6B02999NWhich 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 BN6B03999NWhich component is used to radiate radio energy? An antenna An earth ground A chassis ground A potentiometer AN6B04999YIn Figure N6-1, which symbol represents an earth ground? Symbol 2 Symbol 5 Symbol 6 Symbol 8 DN6B05999YIn Figure N6-1, which symbol represents a chassis ground? Symbol 2 Symbol 5 Symbol 6 Symbol 8 BN6B06999YIn Figure N6-1, which symbol represents an antenna? Symbol 2 Symbol 3 Symbol 6 Symbol 7 DN6B07999YIn Figure N6-3, which symbol represents an NPN transistor? Symbol 1 Symbol 2 Symbol 3 Symbol 4 DN6B08999YIn Figure N6-3, which symbol represents a PNP transistor? Symbol 1 Symbol 2 Symbol 3 Symbol 4 AN6B09999YIn Figure N6-3, which symbol represents a triode vacuum tube? Symbol 1 Symbol 2 Symbol 3 Symbol 4 BN6B10999YIn Figure N6-3, which symbol represents a pentode vacuum tube? Symbol 1 Symbol 2 Symbol 3 Symbol 4 CN6B11999NWhat 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 AN6B12999NWhich component can amplify a small signal but must use high voltages? A transistor An electrolytic capacitor A vacuum tube A multiple-cell battery CN6B13999NWhat 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 AN7A01999NWhat 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 BN7A02999NWhat 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 CN7A03999NWhat connects your transceiver to your antenna? A dummy load A ground wire The power cord A feed line DN7A04999NWhat 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 BN7A05999NIf 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 DN7A06999NWhich of the following should never be connected to a transceiver output? An antenna switch An SWR meter An antenna A receiver DN7A07999NIf 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 AN7A08999NWhat 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 AN7A09999YIn 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 BN7A10999YIn 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 CN7A11999YIn 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 DN7A12999YIn 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 AN7A13999YIn 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 CN7A14999YIn 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 DN7A15999YIn 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 BN7A16999YIn 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 CN7A17999YIn 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 DN7A18999NWhat device converts household current to 12 VDC? A catalytic converter A low-pass filter A power supply An RS-232 interface CN7A19999NWhich of these usually needs a heavy-duty power supply? An SWR meter A receiver A 100-watt transceiver An antenna switch CN7B01999NWhat would you connect to a transceiver to send Morse code? A key-click filter A telegraph key An SWR meter An antenna switch BN7B02999NWhere would you connect a telegraph key to send Morse code? To a modem To an antenna switch To a transceiver To an antenna CN7B03999NWhat 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 BN7B04999NWhere would you connect a microphone for voice operation? To a power supply To an antenna switch To a transceiver To an antenna CN7B05999NWhat would you connect to a transceiver for voice operation? A splatter filter A terminal-voice controller A receiver audio filter A microphone DN7B06999NWhat 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 AN7B07999NWhat 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 CN7B08999NWhat 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 AN7B09999NWhere 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 CN7B10999NIn 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 DN7B11999NIn 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 BN7B12999NWhat 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 DN7B13999NWhat circuit can improve CW reception during crowded band conditions? A high-pass filter A crystal oscillator A digital signal processor A signal generator CN8A01999NHow 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 BN8A02999NWhat is another name for international Morse code emissions? RTTY Data CW Phone CN8A03999NWhat 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 DN8A04999NWhat is the name for voice emissions? RTTY Data CW Phone DN8A05999NWhich sideband is commonly used for 10-meter phone operation? Upper sideband Lower sideband Amplitude-compandored sideband Double sideband AN8A06999NWhat 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 CN8A07999NHow 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 AN8A08999NWhat is the name for narrow-band direct-printing telegraphy emissions? RTTY Data CW Phone AN8A09999NWhat is another name for packet-radio emissions? RTTY Data CW Phone BN8A10999NWhich 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 BN8A11999NWhat 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 DN8B01999NHow 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 CN8B02999NWhat is the fourth harmonic of a 7160-kHz signal? 28,640 kHz 35,800 kHz 28,160 kHz 1790 kHz AN8B03999NIf 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 CN8B04999NIf 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 DN8B05999NIf your transmitter sends signals outside the band where it is transmitting, what is this called? Off-frequency emissions Transmitter chirping Side tones Spurious emissions DN8B06999NWhat 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 AN8B07999NWhat 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 BN8B08999NWhat 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 BN8B09999NWhat 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 BN8B10999NWhat 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 BN8B11999NWhat 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 DN8B12999NWhat 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 CN8B13999NWhat 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 DN8B14999NWhat 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 DN8B15999NWhat 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 BN8B16999NWhy 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 CN9A01999NHow 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)] Divide 468 by the antenna's operating frequency (in MHz) [468/f (in MHz)] DN9A02999NHow 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)] BN9A03999NHow 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 AN9A04999NHow 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 CN9A05999NHow 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 DN9A06999NHow 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 BN9A07999NHow 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 CN9A08999NIf an antenna is made longer, what happens to its resonant frequency? It decreases It increases It stays the same It disappears AN9A09999NIf an antenna is made shorter, what happens to its resonant frequency? It decreases It increases It stays the same It disappears BN9A10999NHow 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 AN9A11999NHow 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 BN9A12999NWhat 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 Multiband antennas offer poor harmonic suppression AN9A13999NWhat 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 DN9B01999NIn 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 BN9B02999NApproximately how long is the driven element of a Yagi antenna? 1/4 wavelength 1/3 wavelength 1/2 wavelength 1 wavelength CN9B03999YIn Figure N9-1, what is the name of element 2 of the Yagi antenna? Director Reflector Boom Driven element DN9B04999YIn Figure N9-1, what is the name of element 3 of the Yagi antenna? Director Reflector Boom Driven element AN9B05999YIn Figure N9-1, what is the name of element 1 of the Yagi antenna? Director Reflector Boom Driven element BN9B06999YLooking at the Yagi antenna in Diagram N9-1, in which direction on the page would it send most of its radio energy? Left Right Top Bottom BN9B07999NWhich 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 BN9B08999NWhat 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 BN9B09999NIn 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 CN9B10999NIf 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 CN9B11999NWhich 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 BN9C01999NWhat 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 DN9C02999NWhy 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 BN9C03999NWhich 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 BN9C04999NWhy 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 AN9C05999NWhat 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 AN9C06999NWhat 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 BN9C07999NWhat 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 DN9C08999NWhat 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 AN9C09999NWhat 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 BN9C10999NWhat 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 CN9C11999NWhat does balun mean? Balanced antenna network Balanced unloader Balanced unmodulator Balanced to unbalanced DN9C12999NWhere 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 AN0A01999NWhat 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 DN0A02999NWhich 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 CN0A03999NWhy 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 DN0A04999NWhat 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 AN0A05999NWhat is one effect of nonionizing radiation on the human body? Cooling of body tissue Heating of body tissue Rapid dehydration Sudden hair loss BN0A06999NWhat 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 AN0A07999NWhy 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 CN0A08999NWhy 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 CN0A09999NWhy 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 AN0A10999NWhy 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 AN0A11999NWhy 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 AN0B01999NIn 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 BN0B02999NWhat 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 BN0B03999NWhat 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 AN0B04999NWhat 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 BN0B05999NWhat 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) DN0B06999NWhich of the following is considered to be nonionizing radiation? X-radiation Gamma radiation Ultra violet radiation Radio frequency radiation DN0B07999NIn 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 AN0B08999NWhat 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 AN0B09999NWhy 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 DN0B10999NWhich 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 AN0B11999YReferring 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 AN0B12999YReferring 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 BN0B13999YReferring 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 BN0B14999YReferring 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 MHzMaximum permissible magnetic field strength in amperes per meter equals 4.89 divided by the square of the operating frequency, in MHzMaximum 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 CN0C01999NWhat 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 DN0C02999NWho 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 CN0C03999NAt 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 CN0C04999NWhich 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 BN0C05999NTo 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 DN0C06999NTo 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 AN0C07999NWhat 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 CN0C08999NWhat 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 DN0C09999NWhat 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 BN0C10999NWhat 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 CN0C11999YReferring 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 CN0C12999YReferring 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 BN0C13999YReferring 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 BN0C14999YReferring 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 CN0C15999NHow 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 AN0C16999YWhat 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 CN0C17999YWhat 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 AN0C18999YWhat 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 AN0C19999YWhat 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 CN0C20999YWhat 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 BN0C21999YUsing 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 CN0C22999YUsing 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 BN0C23999YWhat 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 AN0C24999YUsing 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 AN0C25999YUsing 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 20 feet BN0C26999YWhat 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 BN0C27999YUsing 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 AN0D01999NWhich 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 CN0D02999NHow 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 BN0D03999NHow 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 DN0D04999NBelow 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) BN0D05999NAbove 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 BN0D06999NWhat 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 performedDN0D07999NWhich 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 AN0D08999NWhat 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 DN0D09999NWhat 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 AN0D10999NWhat 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 BN0D11999NAs 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 CN0E01999NWhich 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 DN0E02999NWhich 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 CN0E03999NWhich 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 CN0E04999NWhy 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 BN0E05999NWhat 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 AN0E06999NHow 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 AN0E07999NWhy 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 BN0E08999NWhy 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 DN0E09999NFor 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 CN0E10999NTo 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 BN0E11999NFor 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 AN0E12999NWhat 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 DN0E13999NWhich 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 CN0E14999YWhat 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 AN0E15999YWhat 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 AN0E16999YWhat 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 BN0E17999YWhat 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? 7 feet 11 feet 24.5 feet 34 feet C
