T5A01
What does a microphone connect to in a basic amateur radio station?
A. The receiver
B. The transmitter
C. The SWR Bridge
D. The Balun
T5A02
Which piece of station equipment converts electrical signals to sound waves?
A. Frequency coordinator
B. Frequency discriminator
C. Speaker
D. Microphone
T5A03
What is the term used to describe what happens when a microphone and speaker are too close to each other?
A. Excessive wind noise
B. Audio feedback
C. Inverted signal patterns
D. Poor electrical grounding
T5A04
What could you use in place of a regular speaker to help you copy signals in a noisy area?
A. A video display
B. A low pass filter
C. A set of headphones
D. A boom microphone
T5A05
What is a good reason for using a regulated power supply for communications equipment?
A. To protect equipment from voltage fluctuations
B. A regulated power supply has FCC approval
C. A fuse or circuit breaker regulates the power
D. Regulated supplies are less expensive
T5A06
Where must a filter be installed to reduce spurious emissions?
A. At the transmitter
B. At the receiver
C. At the station power supply
D. At the microphone
T5A07
What type of filter should be connected to a TV receiver as the first
step in trying to prevent RF overload from a nearby 2-meter transmitter?
A. Low-pass filter
B. High-pass filter
C. Band pass filter
D. Notch filter
T5A08
What is connected between the transceiver and computer terminal in a packet radio station?
A. Transmatch
B. Mixer
C. Terminal Node Controller
D. Antenna
T5A09
Which of these items is not required for a packet radio station?
A. Antenna
B. Transceiver
C. Power source
D. Microphone
T5A10
What can be used to connect a radio with a computer for data transmission?
A. Balun
B. Sound Card
C. Impedance matcher
D. Autopatch
T5B01
What may happen if a transmitter is operated with the microphone gain set too high?
A. The output power will be too high
B. It may cause the signal to become distorted and unreadable
C. The frequency will vary
D. The SWR will increase
T5B02
What kind of information may a VHF/UHF transceiver be capable of storing in memory?
A. Transmit and receive operating frequency
B. CTCSS tone frequency
C. Transmit power level
D. All of these answers are correct
T5B03
What is one way to select a frequency on which to operate?
A. Use the keypad or VFO knob to enter the correct frequency
B. Turn on the CTCSS encoder
C. Adjust the power supply ripple frequency
D. All of these answers are correct
T5B04
What is the purpose of the squelch control on a transceiver?
A. It is used to set the highest level of volume desired
B. It is used to set the transmitter power level
C. It is used to adjust the antenna polarization
D. It is used to quiet noise when no signal is being received
T5B05
What is a way to enable quick access to a favorite frequency on your transceiver?
A. Enable the CTCSS tones
B. Store the frequency in a memory channel
C. Disable the CTCSS tones
D. Use the scan mode to select the desired frequency
T5B06
What might you do to improve the situation if the station you are
listening to is hard to copy because of ignition noise interference?
A. Increase your transmitter power
B. Decrease the squelch setting
C. Turn on the noise blanker
D. Use the RIT control
T5B07
What is the purpose of the buttons labeled "up" and "down" on many microphones?
A. To allow easy frequency or memory selection
B. To raise or lower the internal antenna
C. To set the battery charge rate
D. To upload or download messages
T5B08
What is the purpose of the "shift" control found on many VHF/UHF transceivers?
A. Adjust transmitter power level
B. Change bands
C. Adjust the offset between transmit and receive frequency
D. Change modes
T5B09
What does RIT mean?
A. Receiver Input Tone
B. Receiver Incremental Tuning
C. Rectifier Inverter Test
D. Remote Input Transmitter
T5B10
What is the purpose of the "step" menu function found on many transceivers?
A. It adjusts the transmitter power output level
B. It adjusts the modulation level
C. It sets the earphone volume
D. It sets the tuning rate when changing frequencies
T5B11
What is the purpose of the "function" or "F" key found on many transceivers?
A. It turns the power on and off
B. It selects the autopatch access code
C. It selects an alternate action for some control buttons
D. It controls access to the memory scrambler
T5C01
What is one purpose of a repeater?
A. To cut your power bill by using someone else's higher power
system
B. To extend the usable range of mobile and low-power stations
C. To transmit signals for observing propagation and reception
D. To communicate with stations in services other than amateur
T5C02
What is a courtesy tone?
A. A tone used to identify the repeater
B. A tone used to indicate when a transmission is complete
C. A tone used to indicate that a message is waiting for someone
D. A tone used to activate a receiver in case of severe weather
T5C03
Which of the following is the most important information to know before using a repeater?
A. The repeater input and output frequencies
B. The repeater call sign
C. The repeater power level
D. Whether or not the repeater has an autopatch
T5C04
Why should you pause briefly between transmissions when using a repeater?
A. To let your radio cool off
B. To reach for pencil and paper so you can take notes
C. To listen for anyone wanting to break in
D. To dial up the repeater's autopatch
T5C05
What is the most common input/output frequency offset for repeaters in the 2-meter band?
A. 0.6 MHz
B. 1.0 MHz
C. 1.6 MHz
D. 5.0 MHz
T5C06
What is the most common input/output frequency offset for repeaters in the 70-centimeter band?
A. 600 kHz
B. 1.0 MHz
C. 1.6 MHz
D. 5.0 MHz
T5C07
What is meant by the terms input and output frequency when referring to repeater operations?
A. The repeater receives on one frequency and transmits on another
B. The repeater offers a choice of operating frequencies
C. One frequency is used to control the repeater and another is
used to retransmit received signals
D. The repeater must receive an access code on one frequency
before it will begin transmitting
T5C08
What is the meaning of the term simplex operation?
A. Transmitting and receiving on the same frequency
B. Transmitting and receiving over a wide area
C. Transmitting on one frequency and receiving on another
D. Transmitting one-way communications
T5C09
What is a reason to use simplex instead of a repeater?
A. When the most reliable communications are needed
B. To avoid tying up the repeater when direct contact is possible
C. When an emergency telephone call is needed
D. When you are traveling and need some local information
T5C10
How might you find out if you could communicate with a station using simplex instead of a repeater?
A. Check the repeater input frequency to see if you can hear the
other station
B. Check to see if you can hear the other station on a different
frequency band
C. Check to see if you can hear a more distant repeater
D. Check to see if a third station can hear both of you
T5C11
What is the term for a series of repeaters that can be connected to one another to provide users with a wider coverage?
A. Open repeater system
B. Closed repeater system
C. Linked repeater system
D. Locked repeater system
T5C12
What is the main reason repeaters should be approved by the local frequency coordinator before being installed?
A. Coordination minimizes interference between repeaters and makes
the most efficient use of available frequencies
B. Coordination is required by the FCC
C. Repeater manufacturers have exclusive territories and you could
be fined for using the wrong equipment
D. Only coordinated systems will be approved by the officers of
the local radio club
T5C13
Which of the following statements regarding use of repeaters is true?
A. All amateur radio operators have the right to use any repeater
at any time
B. Access to any repeater may be limited by the repeater owner
C. Closed repeaters must be opened at the request of any amateur
wishing to use it
D. Open repeaters are required to use CTCSS tones for access
T5C14
What term is used to describe a repeater when use is restricted to the members of a club or group?
A. A beacon station
B. An open repeater
C. A auxiliary station
D. A closed repeater
T5D01
What is meant by fundamental overload in reference to a receiver?
A. Too much voltage from the power supply
B. Too much current from the power supply
C. Interference caused by very strong signals from a nearby source
D. Interference caused by turning the volume up too high
T5D02
Which of the following is NOT a cause of radio frequency interference?
A. Fundamental overload
B. Doppler shift
C. Spurious emissions
D. Harmonics
T5D03
What is the most likely cause of telephone interference from a nearby transmitter?
A. Harmonics from the transmitter
B. The transmitter's signals are causing the telephone to act like
a radio receiver
C. Poor station grounding
D. Improper transmitter adjustment
T5D04
What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?
A. Install a low-pass filter at the transmitter
B. Install a high-pass filter at the transmitter
C. Install an RF filter at the telephone
D. Improve station grounding
T5D05
What should you do first if someone tells you that your transmissions are interfering with their TV reception?
A. Make sure that your station is operating properly and that it
does not cause interference to your own television
B. Immediately turn off your transmitter and contact the nearest
FCC office for assistance
C. Tell them that your license gives you the right to transmit and
nothing can be done to reduce the interference
D. Continue operating normally because your equipment cannot
possibly cause any interference
T5D07
Which of the following may be useful in correcting a radio frequency interference problem?
A. Snap-on ferrite chokes
B. Low-pass and high-pass filters
C. Notch and band-pass filters
D. All of these answers are correct
T5D08
What is the proper course of action to take when a neighbor reports
that your radio signals are interfering with something in his home?
A. You are not required to do anything
B. Contact the FCC to see if other interference reports have been
filed
C. Check your station and make sure it meets the standards of good
amateur practice
D. Change your antenna polarization from vertical to horizontal
T5D09
What should you do if a "Part 15" device in your
neighbor’s home is causing harmful interference to
your amateur station?
A. Work with your neighbor to identify the offending device
B. Politely inform your neighbor about the rules that require him
to stop using the device if it causes interference
C. Check your station and make sure it meets the standards of good
amateur practice
D. All of these answers are correct
T5D10
What could be happening if another operator tells you he is hearing a
variable high-pitched whine on the signals from your mobile transmitter?
A. Your microphone is picking up noise from an open window
B. You have the volume on your receiver set too high
C. You need to adjust your squelch control
D. The power wiring for your radio is picking up noise from the
vehicle's electrical system
T5D11
What may be the problem if another operator reports that your SSB signal is very garbled and breaks up?
A. You have the noise limiter turned on
B. The transmitter is too hot and needs to cool off
C. RF energy may be getting into the microphone circuit and
causing feedback
D. You are operating on lower sideband
T5D12
What might be the problem if you receive a report that your signal through the repeater is distorted or weak?
A. Your transmitter may be slightly off frequency
B. Your batteries may be running low
C. You could be in a bad location
D. All of these answers are correct
T5D13
What is one of the reasons to use digital signals instead of analog signals to communicate with another station?
A. Digital systems are less expensive than analog systems
B. Many digital systems can automatically correct errors caused by
noise and interference
C. Digital modulation circuits are much less complicated than any
other types
D. All digital signals allow higher transmit power levels