7-A-028: DSC Frequencies
7-28D1:
Which of the following is not a DSC watch frequency?
2182.0 kHz
2187.5 kHz
6312.0 kHz
12577.0 kHz
7-28D2:
Which of the following channels and modes should be used when initiating a Distress alert transmission?
Ch-70 DSC
Ch-6 DSC
Ch-6 Radiotelephony
Ch-13 Radiotelephony and Ch-16 DSC
7-28D3:
How many total frequencies are available for DSC Distress alerting?
Seven
One
Two
Five
7-28D4:
Which of the following watches must a compulsory Sea Area A1 vessel maintain?
A continuous DSC watch on Ch-70.
A continuous DSC watch on 8414.5 kHz plus one other HF DSC frequency.
A continuous DSC watch on 2187.5 kHz
A continuous DSC watch on Ch-16.
7-28D5:
Which of the following are the MF/HF DSC Distress watch frequencies
2187.5, 4207.5, 6312.0, 8414.5, 12577.0, 16804.5
2177.5, 4210.0, 6314.0, 8416.5 12579.0, 16806.5
2182.0, 4125.0, 6215.0, 8291.0, 12290.0, 16420.0
2174.5, 4177.5, 6268.0,8376.5, 12520.0, 16695.0
7-28D6:
How many HF DSC Distress watch channels must be guarded by a compulsory vessel underway.
2
3
4
6
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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