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VHF / DSC

Channel 70

Technical visualVHF channel roles
VHF channel rolesThree radio channels are distinguished: Channel 16 for distress, safety and calling, Channel 9 as a supplementary recreational calling channel, and Channel 70 for DSC digital signaling without voice.CH 16CH 9CH 70DISTRESS · SAFETYCALLINGRECREATIONALCALLINGDSC DIGITALNO VOICE
VHF channel rolesThree radio channels are distinguished: Channel 16 for distress, safety and calling, Channel 9 as a supplementary recreational calling channel, and Channel 70 for DSC digital signaling without voice.CH 16CH 9CH 70DISTRESS · SAFETY · CALLINGRECREATIONAL CALLINGDSC DIGITAL · NO VOICE
Use the channel that matches the purpose. Keep routine calls brief and move traffic off Channel 16.

Digital Selective Calling only.

No voice communications.

Used for:

DSC distress alerts

individual DSC calls

group calls

safety-related digital signaling

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