How many total frequencies are available for DSC Distress alerting?
Official USCG Answer & Rule Citation
Correct Answer: Option D — Seven
There are exactly seven dedicated DSC distress alerting frequencies established under GMDSS: VHF Channel 70 (156.525 MHz), MF 2187.5 kHz, and five HF frequencies (4207.5 kHz, 6312.0 kHz, 8414.5 kHz, 12577.0 kHz, and 16804.5 kHz).
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.