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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 47 - Telecommunication |
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Chapter I - Federal Communications Commission |
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SubChapter D - Safety and Special Radio Services |
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Part 80 - Stations in the Maritime Services |
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Subpart W - Global Maritime Distress and Safety System (GMDSS) |
§ 80.1077 - Frequencies.
Latest version.
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§ 80.1077 Frequencies.
The following table describes the frequencies used in the Global Maritime Distress and Safety System:
Alerting: 406.0-406.1 EPIRBs 406.0-406.1 MHz (Earth-to-space).
1544-1545 MHz (space-to-Earth).INMARSAT Ship Earth Stations capable of voice and/or direct printing 1626.5-1645.5 MHz (Earth-to-space). VHF DSC Ch. 70 156.525 MHz.1 MF/HF DSC2 2187.5 kHz3, 4207.5 kHz, 6312 kHz, 8414.5 kHz, 12577 kHz, and 16804.5 kHz. On-scene communications: VHF Ch.16 156.8 MHz. MF Radiotelephony 2182 kHz. NBDP 2174.5 kHz. Communications involving aircraft: On-scene, including search and rescue 156.8 MHz4, 121.5 MHz5, 123.1 MHz, 156.3 MHz, 2182 kHz, 3023 kHz, 4125 kHz, and 5680 kHz.6 Locating signals: 406-406.1 EPIRB Beacons 121.5 MHz. 9 GHz radar transponders 9200-9500 MHz. Maritime safety information (MSI): International NAVTEX 518 kHz.7 Warnings 490 kHz, 4209.5 kHz. NBDP 4210 kHz, 6314 kHz, 8416.5 kHz, 12579 kHz, 16806.5 kHz, 19680.5 kHz, 22376 kHz, 26100.5 kHz. Satellite 1530-1545 MHz.10 General distress and safety communications and calling: Satellite 1530-1544 MHz (space-to-Earth) and 1626.5-1645.5 MHz (Earth-to-space).10 Radiotelephony 2182 kHz, 4125 kHz, 6215 kHz, 8291 kHz, 12290 kHz, 16420 kHz, and 156.8 MHz. NBDP 2174.5 kHz, 4177.5 kHz, 6268 kHz, 8376.5 kHz, 12520 kHz, and 16695 kHz. DSC 2187.5 kHz, 4207.5 kHz, 6312 kHz, 8414.5 kHz, 12577 kHz, 16804.5 kHz, and 156.525 MHz. Survival craft: VHF radiotelephony 156.8 MHz and one other 156-174 MHz frequency 9 GHz radar transponders 9200-9500 MHz. [69 FR 64678, Nov. 8, 2004, as amended at 73 FR 4489, Jan. 25, 2008; 76 FR 67616, Nov. 2, 2011]