What is the primary DSC frequency used by the Coast Guard guard?

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Multiple Choice

What is the primary DSC frequency used by the Coast Guard guard?

Explanation:
DSC on the VHF maritime band uses a dedicated digital calling channel, specifically Channel 70 at 156.525 MHz. This frequency is reserved for digital distress, safety, and calling traffic, making it the primary DSC channel the Coast Guard uses to initiate automated digital calls. Channel 16 at 156.8 MHz is the traditional voice distress and initial contact channel, not DSC. The MF frequencies shown are used for DSC/communications on the MF/HF bands, but they aren’t the primary VHF DSC frequency used by the Coast Guard guard. So, the best choice is 156.525 MHz (Channel 70).

DSC on the VHF maritime band uses a dedicated digital calling channel, specifically Channel 70 at 156.525 MHz. This frequency is reserved for digital distress, safety, and calling traffic, making it the primary DSC channel the Coast Guard uses to initiate automated digital calls. Channel 16 at 156.8 MHz is the traditional voice distress and initial contact channel, not DSC. The MF frequencies shown are used for DSC/communications on the MF/HF bands, but they aren’t the primary VHF DSC frequency used by the Coast Guard guard. So, the best choice is 156.525 MHz (Channel 70).

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