ARRL T2B questions valid until June 2014.txt
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What is the term used to describe an amateur station that is transmitting and receiving on the same frequency?
A. Full duplex communication
B. Diplex communication
C. Simplex communication
D. Half duplex communication
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. Carrier squelch
B. Tone burst
Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?
A. Tone squelch
B. Carrier squelch
D. Modulated carrier
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
B. The repeater receiver requires a CTCSS tone for access
C. The repeater receiver may require a DCS tone sequence for access
D. All of these choices are correct
What determines the amount of deviation of an FM signal?
A. Both the frequency and amplitude of the modulating signal
B. The frequency of the modulating signal
C. The amplitude of the modulating signal
D. The relative phase of the modulating signal and the carrier
What happens when the deviation of an FM transmitter is increased?
A. Its signal occupies more bandwidth
B. Its output power increases
C. Its output power and bandwidth increases
D. Asymmetric modulation occurs
What should you do if you receive a report that your station’s transmissions are causing splatter or interference on nearby frequencies?
A. Increase transmit power
B. Change mode of transmission
C. Report the interference to the equipment manufacturer
D. Check your transmitter for off-frequency operation or spurious emissions
What is the proper course of action if your station’s transmission unintentionally interferes with another station?
A. Rotate your antenna slightly
B. Properly identify your transmission and move to a different frequency
C. Increase power
D. Change antenna polarization
Which of the following methods is encouraged by the FCC when identifying your station when using phone?
A. Use of a phonetic alphabet
B. Send your call sign in CW as well as voice
C. Repeat your call sign three times
D. Increase your signal to full power when identifying
What is the "Q" signal used to indicate that you are receiving interference from other stations?
What is the "Q" signal used to indicate that you are changing frequency?
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