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SSRF-Lite reference data

US Marine VHF

Channel plans · US · Marine VHF · Updated 2026-10-01 · plans/US/marine/marine_vhf_channels.yml

Marine VHFChannel plan

Channels

53 assignments, sorted by frequency. Frequency is what your radio receives; input is what it transmits on for repeaters.

Freq (MHz)Input (MHz)ModeTone / CCNameUsageCallsignLocationServiceNotes
156.0500FMCh 01A (1001)port operations & commercialPort operations and commercial traffic; available only in the New Orleans / Lower Mississippi area (USCG note a).
156.1750FMCh 63A (1063)port operations & commercialPort operations and commercial traffic; available only in the New Orleans / Lower Mississippi area.
156.2250FMCh 64A (1064)port operationsPort operations working channel.
156.2500FMCh 05A (1005)port operations & VTSVTS / port operations channel used in Houston, New Orleans, and Seattle areas (USCG note a).
156.2750FMCh 65A (1065)port operationsPort operations channel; mandatory in certain VTS areas (USCG note a).
156.3000FMCh 06intership safetyDesignated for intership safety communications.
156.3250FMCh 66A (1066)port operationsPort operations working channel.
156.3500FMCh 07A (1007)commercialCommercial traffic; supports VHF Digital Small Message Service (VDSMS).
156.3750FMCh 67commercialCommercial working channel; bridge-to-bridge in Lower Mississippi River (intership only).
156.4000FMCh 08commercial intershipCommercial intership traffic only; VDSMS capable.
156.4250FMCh 68non-commercial workingNon-commercial working channel (VDSMS capable).
156.4500FMCh 09boater callingPrimary boater calling channel for commercial and non-commercial use (VDSMS capable).
156.4750FMCh 69non-commercial workingNon-commercial working channel (VDSMS capable).
156.5000FMCh 10commercialCommercial working channel (VDSMS capable).
156.5250FMCh 70 DSCdigital selective callingDigital Selective Calling (voice prohibited).
156.5500FMCh 11commercial & VTSCommercial working channel and VTS in selected areas (VDSMS capable).
156.5750FMCh 71non-commercial workingNon-commercial working channel (VDSMS capable).
156.6000FMCh 12port operationsPort operations; Vessel Traffic Service (VTS) in selected areas.
156.6250FMCh 72non-commercial intershipNon-commercial intership-only working channel (VDSMS capable).
156.6500FMCh 13bridge-to-bridgeBridge-to-bridge navigation safety; vessels >20 m must maintain a listening watch in U.S. waters.
156.6750FMCh 73port operationsPort operations working channel.
156.7000FMCh 14port operationsPort operations; Vessel Traffic Service (VTS) in selected areas.
156.7250FMCh 74port operationsPort operations working channel.
156.7500FMCh 15environmental monitoringEnvironmental receive-only channel (Class C EPIRB).
156.8000FMCh 16 DistressdistressInternational distress, safety, and calling channel. Maintain a continuous guard as required.
156.8500FMCh 17state & local controlState and local government maritime control channel.
156.8750FMCh 77port operations intershipPort operations, intership only.
156.9000FMCh 18A (1018)commercialCommercial working channel (VDSMS capable).
156.9250FMCh 78A (1078)non-commercial workingNon-commercial working channel (VDSMS capable).
156.9500FMCh 19A (1019)commercialCommercial working channel (VDSMS capable).
156.9750FMCh 79A (1079)commercialCommercial working channel; non-commercial use only in the Great Lakes (VDSMS capable).
157.0000FMCh 20A (1020)port operationsSimplex variant of channel 20 for port operations.
157.0250FMCh 80A (1080)commercialCommercial working channel; non-commercial use only in the Great Lakes (VDSMS capable).
157.0500FMCh 21A (1021)us coast guard onlyU.S. Coast Guard only.
157.0750FMCh 81A (1081)us government environmentalU.S. government channel for environmental protection operations.
157.1000FMCh 22A (1022)coast guard liaisonUSCG liaison and maritime safety information broadcasts (announced on Ch 16).
157.1250FMCh 82A (1082)us governmentU.S. government only.
157.1500FMCh 23A (1023)us coast guard onlyU.S. Coast Guard only.
157.1750FMCh 83A (1083)us coast guard onlyU.S. Coast Guard only.
157.3750FMCh 87public correspondencePublic correspondence channel (VDSMS capable).
157.4250FMCh 88commercial intershipCommercial intership working channel (VDSMS capable).
160.6250156.0250FMCh 60public correspondenceMarine operator public correspondence channel.
161.6000157.0000FMCh 20port operations duplexPort operations duplex channel.
161.8000157.2000FMCh 24public correspondenceMarine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).
161.8250157.2250FMCh 84public correspondenceMarine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).
161.8500157.2500FMCh 25public correspondenceMarine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).
161.8750157.2750FMCh 85public correspondenceMarine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).
161.9000157.3000FMCh 26public correspondenceMarine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).
161.9250157.3250FMCh 86public correspondenceMarine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).
161.9500157.3500FMCh 27public correspondenceMarine operator public correspondence channel; duplex variant pending reassignment to channel 1027 per ITU WRC-19.
161.9750Ch 87B AIS1ais dataAutomatic Identification System (AIS) data link (AIS 1).
162.0000157.4000FMCh 28public correspondenceMarine operator public correspondence channel; duplex variant pending reassignment to channel 1028 per ITU WRC-19.
162.0250Ch 88B AIS2ais dataAutomatic Identification System (AIS) data link (AIS 2).

Authorization

What it takes to transmit on these channels.

Marine VHF

FCC / USCG · Class: Ship or coast station authorization

Transmit on U.S. marine channels requires FCC Part 80 authorization and compliance with USCG operating rules.

Sources

Where this data came from. Verify on the air before relying on it.