VHF/UHF Operating Practices - T2B Flashcards Preview

Ham Radio Technician Test > VHF/UHF Operating Practices - T2B > Flashcards

Flashcards in VHF/UHF Operating Practices - T2B Deck (11)
Loading flashcards...
1
Q

What is the term used to describe an amateur station that is transmitting and receiving on the same frequency?

A

Simplex communication

2
Q

What is the term used to describe the use of a sub-audible tone transmitted with normal voice audio to open the squelch of a receiver?

A

CTCSS

3
Q

Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?

A

Carrier squelch

4
Q

Which of the following common problems might cause you to be able to hear but not access a repeater even when transmitting with the proper offset?

A

The repeater receiver requires audio tone burst for access
The repeater receiver requires a CTCSS tone for access
The repeater receiver may require a DCS tone sequence for access

5
Q

What determines the amount of deviation of an FM signal?

A

The amplitude of the modulating signal

6
Q

What happens when the deviation of an FM transmitter is increased?

A

Its signal occupies more bandwidth

7
Q

What should you do if you receive a report that your station’s transmissions are causing splatter or interference on nearby frequencies?

A

Check your transmitter for off-frequency operation or spurious emissions

8
Q

What is the proper course of action if your station’s transmission unintentionally interferes with another station?

A

Properly identify your transmission and move to a different frequency

9
Q

Which of the following methods is encouraged by the FCC when identifying your station when using phone?

A

Use of a phonetic alphabet

10
Q

What is the “Q” signal used to indicate that you are receiving interference from other stations?

A

QRM

11
Q

What is the “Q” signal used to indicate that you are changing frequency?

A

QSY