Saturday 07/24/21
T4B06
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T4B06
Q: Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?
A: The receiver RIT or clarifier.
#CBHAMRADIO101
Friday 07/23/21
T4B05
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T4B05
Q: Which of the following would reduce ignition interference to a receiver?
A: Turn on the noise blanker.
#CBHAMRADIO101
Thursday 07/22/21
T4B04
... View MoreThursday 07/22/21
T4B04
Q: What is a way to enable quick access to a favorite frequency on your transceiver?
A: Store the frequency in a memory channel.
#CBHAMRADIO101
Wednesday 07/21/21
T4B03
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T4B03
Q: What is the purpose of the squelch control on a transceiver?
A: To mute receiver output noise when no signal is being received.
#CBHAMRADIO101
Tuesday 07/20/21
T4B02
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T4B02
Q: Which of the following can be used to enter the operating frequency on a modern transceiver?
A: The keypad or VFO knob.
#CBHAMRADIO101
Monday 07/19/21
T4B01
... View MoreMonday 07/19/21
T4B01
Q: What may happen if a transmitter is operated with the microphone gain too high?
A: The output signal might become distorted.
#CBHAMRADIO101
Sunday 07/18/21
T4A11
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T4A11
Q: Where should the negative return connection of a mobile tranceiver's power cable be connected?
A: At the battery or engine block ground strap.
#CBHAMRADIO101
Saturday 07/17/21
T4A10
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T4A10
Q: What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?
A: The alternator.
#CBHAMRADIO101
Friday 07/16/21
T4A09
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T4A09
Q: Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?
A: Ferrite choke.
#CBHAMRADIO101
Thursday 07/15/21
T4A08
... View MoreThursday 07/15/21
T4A08
Q: Which of the following conductors provides the lowest impedance to RF signals?
A: Flat strap.
#CBHAMRADIO101
Wednesday 07/14/21
T4A07
... View MoreWednesday 07/14/21
T4A07
Q: How is a computer's sound card used when conducting digital communications?
A: The sound card provides audio to the radio's microphone input and converts received radio to digital form.
#CBHAMRADIO101
Tuesday 07/13/21
T4A06
... View MoreTuesday 07/13/21
T4A06
Q: Which of the following connections might be used between a voice transmitter and a computer for digital operation?
A: Receive audio, tramsmit mode, and push-to-talk (PTT).
#CBHAMRADIO101
Monday 07/12/21
T4A05
... View MoreMonday 07/12/21
T4A05
Q: What is the proper location for an external SWR meter?
A: In series with the feed line, between the transmitter and antenna.
#CBHAMRADIO101
Sunday 07/11/21
T4A04
... View MoreSunday 07/11/21
T4A04
Q: Which computer sound card part is connected to a transmitter's headphone or speaker output for operating digital modes?
A: Microphone or line input.
#CBHAMRADIO101
Saturday 07/10/21
T4A03
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T4A03
Q: Why should wiring between the power supply and radio be heavy-gauge wire and kept as short as possible?
A: To avoid voltage falling below what's needed for proper operation.
#CBHAMRADIO101
Friday 07/09/21
T4A02
... View MoreFriday 07/09/21
T4A02
Q: How might a computer be used as part of an amateur radio station?
A: All of these are correct:
1) For logging contacts and contact information.
2) For sending or receiving CW.
3) For generating and decoding digital signals.
#CBHAMRADIO101