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Ham Radio Version 3.2 (Chestnut CD-ROMs)(1993).ISO
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1991-08-01
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11KB
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304 lines
074B-2-1.7 D 9-19 Third party and swap nets
During commuting rush hours, which types of operation should
relinquish the use of the repeater?
A. Mobile operators
B. Low-power stations
C. Highway traffic information nets
D. Third-party traffic nets
*
075B-2-2.1 C 9-19 Establish contact on the repeater,|then go simplex to allow others to|do the same
Why should simplex be used where possible instead of using a
station in repeater operation?
A. Farther distances can be reached
B. To avoid long distance toll charges
C. To avoid tying up the repeater unnecessarily
D. To permit the testing of the effectiveness of your antenna
*
076B-2-2.2 C 2-24 Most repeaters are Rock Bound,|ie Crystal Controlled and can |not be changed in frequency
When a frequency conflict arises between a simplex operation
and a repeater operation, why does good amateur practice call
for the simplex operation to move to another frequency?
A. The repeater's output power can be turned up to ruin the
front end of the station in simplex operation
B. There are more repeaters than simplex operators
C. Changing the repeater's frequency is not practical
D. Changing repeater frequency requires the authorization
of the Federal Communications Commission
*
077B-2-3.1 D 9-18 Six hundred kilohertz is the|usual input/output frequency|separation for two meters
What is the usual input/output frequency separation for
stations in repeater operation in the 2-meter band?
A. 1 MHz
B. 1.6 MHz
C. 170 Hz
D. 0.6 MHz
*
078B-2-3.2 B 9-18 A full five megahertz
What is the usual input/output frequency separation for
stations in repeater operation in the 70-centimeter band?
A. 1.6 MHz
B. 5 MHz
C. 600 kHz
D. 5 kHz
*
079B-2-3.3 A 9-18 One megahertz
What is the usual input/output frequency separation for a
6-meter station in repeater operation?
A. 1 MHz
B. 600 kHz
C. 1.6 MHz
D. 20 kHz
*
080B-2-3.4 C 9-18 1.6 Megahertz
What is the usual input/output frequency separation for a
1.25-meter station in repeater operation?
A. 1000 kHz
B. 600 kHz
C. 1600 kHz
D. 1.6 GHz
*
081B-2-4.1 D 2-21 Repeater pairs are set to avoid|interference to each other by a|person or a group in the area
What is a repeater frequency coordinator?
A. Someone who coordinates the assembly of a repeater station
B. Someone who provides advice of what kind of system to buy
C. The club's repeater trustee
D. A person or group that recommends frequency pairs for
repeater usage
*
082B-3.1 A 2-24 You can minimize interference on the|more crowded bands and have a better|quality signal on the VHF/UHF bands
Why should local Amateur Radio communications be conducted
on VHF and UHF frequencies?
A. To minimize interference on HF bands capable of long-
distance sky-wave communication
B. Because greater output power is permitted on VHF and UHF
C. Because HF transmissions are not propagated locally
D. Because absorption is greater at VHF and UHF frequencies
*
083B-3.2 B 2-24 If your antenna system is properly |matched, tuning up into a dummy load|will be the same as using the antenna
How can on-the-air transmissions be minimized during a lengthy
transmitter testing or loading up procedure?
A. Choose an unoccupied frequency
B. Use a dummy antenna
C. Use a non-resonant antenna
D. Use a resonant antenna that requires no loading up procedure
*
084B-3.3 C 9-9 QRL in CW. You may not be|able to hear both sides
What is the proper Q signal to use to determine whether a
frequency is in use before making a transmission?
A. QRV?
B. QRU?
C. QRL?
D. QRZ?
*
085B-4.1 A 2-21 Transmit MAYDAY and your Call Sign
What is the proper distress calling procedure when using
telephony?
A. Transmit MAYDAY
B. Transmit QRRR
C. Transmit QRZ
D. Transmit SOS
*
086B-4.2 D 2-21 Transmit SOS and your Call Sign
What is the proper distress calling procedure when using
telegraphy?
A. Transmit MAYDAY
B. Transmit QRRR
C. Transmit QRZ
D. Transmit SOS
*
087B-5-1.1 C 2-22 To participate in Radio Amateur Civil|Emergency Service drills you must be |registered with a civil defense group
What is one requirement you must meet before you can participate
in RACES drills?
A. You must be registered with ARRL
B. You must be registered with a local racing organization
C. You must be registered with the responsible civil defense
organization
D. You need not register with anyone to operate RACES
*
088B-5-1.2 B 2-22 Not much, only one hour per week
What is the maximum amount of time allowed per week
for RACES drills?
A. Eight hours
B. One hour
C. As many hours as you want
D. Six hours, but not more than one hour per day
*
089B-5-2.1 D 2-22 As a drill
How must you identify messages sent during a RACES drill?
A. As emergency messages
B. As amateur traffic
C. As official government messages
D. As drill or test messages
*
090B-6-1.1 A 2-22 Tactical communications sound like |wargames, Red One to Blue Fox - Over
What is the term used to describe first-response communications
in an emergency situation?
A. Tactical communications
B. Emergency communications
C. Formal message traffic
D. National Traffic System messages
*
091B-6-1.2 B 2-22 No need to remember| "Who is on first"
What is one reason for using tactical call signs such as
"command post" or "weather center" during an emergency?
A. They keep the general public informed about what is going on
B. They promote efficiency and coordination in public-service
communications activities
C. They are required by the FCC
D. They promote goodwill among amateurs
*
092B-6-2.1 D 2-22 Health and welfare traffic
What is the term used to describe messages sent into or out
of a disaster area that pertain to a person's well being?
A. Emergency traffic
B. Tactical traffic
C. Formal message traffic
D. Health and welfare traffic
*
093B-6-3.1 B 2-22 Power lines have a habit of falling|down during storms and other times |that an emergency might exist
Why is it important to provide a means of operating your amateur
station separate from the commercial ac power lines?
A. So that you can take your station mobile
B. So that you can provide communications in an emergency
C. So that you can operate field day
D. So that you will comply with Subpart 97.169 of the FCC Rules
*
094B-6-3.2 C 2-22 A dish is useless at HF |Some rope to hold up the|diople would good also
Which type of antenna would be a good choice as part of a
portable HF amateur station that could be set up in case
of a communications emergency?
A. A three-element quad
B. A three-element Yagi
C. A dipole
D. A parabolic dish
*
095C-1-1.1 A 9-3 The upper part of the atmosphere |where the sun's energy causes the|gases to become ionized
What is the ionosphere?
A. That part of the upper atmosphere where enough ions and
free electrons exist to affect radio-wave propagation
B. The boundary between two air masses of different temperature
and humidity, along which radio waves can travel
C. The ball that goes on the top of a mobile whip antenna
D. That part of the atmosphere where weather takes place
*
096C-1-1.2 D 9-3 The upper part of the atmosphere|where HF radio waves are bent is|called the ionosphere
What is the region of the outer atmosphere that makes
long-distance radio communications possible as a result of
bending of radio waves?
A. Troposphere
B. Stratosphere
C. Magnetosphere
D. Ionosphere
*
097C-1-1.3 C 9-41 UV
What type of solar radiation is most responsible for ionization
in the outer atmosphere?
A. Thermal
B. Ionized particle
C. Ultraviolet
D. Microwave
*
098C-1-2.1 A 9-41 "D"own low layer
Which ionospheric layer limits daytime radio communications in
the 80-meter band to short distances?
A. D layer
B. F1 layer
C. E layer
D. F2 layer
*
099C-1-2.2 B 9-41 "D"own low layer
What is the lowest ionospheric layer?
A. The A layer
B. The D layer
C. The E layer
D. The F layer
*
100C-1-3.1 B 9-41 The layer where sporadic-E|propagation occurs
What is the lowest region of the ionosphere that is useful for
long-distance radio wave propagation?
A. The D layer
B. The E layer
C. The F1 layer
D. The F2 layer
*
101C-1-4.1 D 9-42 During the daytime, the F layer |splits into two layers F1 and F2|F2 provides the communications
Which layer of the ionosphere is mainly responsible for
long-distance sky-wave radio communications?
A. D layer
B. E layer
C. F1 layer
D. F2 layer
*
102C-1-4.2 B 9-42 During the daytime, the F layer |splits into two layers F1 and F2|F2 provides the communications
What are the two distinct sub-layers of the F layer of the
ionosphere during the daytime?
A. Troposphere and stratosphere
B. F1 and F2
C. Electrostatic and electromagnetic
D. D and E
*
103C-1-4.3 C 9-42 The two layers F1 and F2 combine|into a single F layer at night
Which two daytime ionospheric layers combine into one layer
at night?
A. E and F1
B. D and E
C. F1 and F2
D. E1 and E2
*
104C-2.1 D 9-41 "D"own low layer
Which layer of the ionosphere is most responsible for
absorption of radio signals during daylight hours?
A. The E layer
B. The F1 layer
C. The F2 layer
D. The D layer
*
105C-2.2 B 9-41 When signals enter the "D"own|low layer at low angles
When is ionospheric absorption most pronounced?
A. When tropospheric ducting occurs
B. When radio waves enter the D layer at low angles
C. When radio waves travel to the F layer
D. When a temperature inversion occurs
*
106C-2.3 A 9-41 Use 80 meters for local traffic during|daytime because it does not propagate |very far due to D layer absorbtion
During daylight hours, what effect does the D layer of
the ionosphere have on 80-meter radio waves?
A. The D layer absorbs the signals
B. The D layer bends the radio waves out into space
C. The D layer refracts the radio waves back to earth
D. The D layer has little or no effect on 80 meter radio
wave propagation
*
107C-2.4 B 9-41 "D"own low layer ionization
What causes ionospheric absorption of radio waves?
A. A lack of D layer ionization
B. D layer ionization
C. The presence of ionized clouds in the E layer
D. Splitting of the F layer
*
108C-3.1 D 9-42 Ionization levels tend to track the |daily temperature patterns so when it|is coldest, ionization is lowest
What is usually the condition of the ionosphere just before
sunrise?
A. Atmospheric attenuation is at a maximum
B. Ionization is at a maximum
C. The E layer is above the F layer
D. Ionization is at a minimum
*
109C-3.2 C 9-42 When it usually hottest because the|sun provides the energy that causes|both the ionization and the warming
At what time of day does maximum ionization of the ionosphere
occur?
A. Dusk
B. Midnight
C. Midday
D. Dawn
*
110C-3.3 A 9-42 Ionization levels tend to track the |daily temperature patterns so when it|is coldest, ionization is lowest
Minimum ionization of the ionosphere occurs daily at what
time?
A. Shortly before dawn
B. Just after noon
C. Just after dusk
D. Shortly before midnight
*