Marine Radio Info
US Coast Guard Radio Information for Boaters
If you have a handheld VHF radio with Digital Selective Calling (DSC), you can register for an MMSI number for use in US waters at either:
US Power Squadron MMSI Registration or BoatUS MMSI Registration
SMSKN typically uses non-commercial channels 68, 69, 71, or 72 on trips for group communication (channel should be decided during the beach briefing).