7-A-011: Channel Spacing
7-11B1:
What is the channel spacing for MF-HF voice frequencies?
3.0 kHz
500 Hz
2.8 kHz
3.5 kHz
7-11B2:
What is the channel spacing for authorized F1B/J2B frequencies?
500 Hz
170 Hz
300 Hz
3.0 kHz
7-11B3:
You look up a frequency table and all the listings end in either .0 or .5 kHz. What kind of emission is used with these frequencies?
F1B/J2B SITOR (NBDP)
J3E SSB Voice
F3E FM Voice
G3E FM Voice
7-11B4:
How many SITOR (NBDP) signals can occupy the space of one voice signal?
6
10
4
2
7-11B5:
Which emission mode occupies the most bandwidth?
F3E
J2B
J3E
F1B
7-11B6:
Which mode occupies the least bandwidth?
J2B
H3E
A3E
F3E
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Color key:
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● = Review
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● = Learned
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● = Incorrect answer
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