VHF/UHF Operating Practices - T2B

Question 1

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

Answer 1

Simplex communication

Question 2

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?

Answer 2

CTCSS

Question 3

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

Answer 3

Carrier squelch

Question 4

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?

Answer 4

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

Question 5

What determines the amount of deviation of an FM signal?

Answer 5

The amplitude of the modulating signal

Question 6

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

Answer 6

Its signal occupies more bandwidth

Question 7

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

Answer 7

Check your transmitter for off-frequency operation or spurious emissions

Question 8

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

Answer 8

Properly identify your transmission and move to a different frequency

Question 9

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

Answer 9

Use of a phonetic alphabet

Question 10

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

Answer 10

QRM

Question 11

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

Answer 11

QSY