Alerting:
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406.0-406.1 EPIRBs | 406.0-406.1 MHz (Earth-to-space).
1544-1545 MHz (space-to-Earth).
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INMARSAT Ship Earth Stations capable of voice and/or direct printing | 1626.5-1645.5 MHz (Earth-to-space).
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VHF DSC Ch. 70 | 156.525 MHz.
1
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MF/HF DSC
2 | 2187.5 kHz
3, 4207.5 kHz, 6312 kHz, 8414.5 kHz, 12577 kHz, and 16804.5 kHz.
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On-scene communications:
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VHF Ch.16 | 156.8 MHz.
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MF Radiotelephony | 2182 kHz.
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NBDP | 2174.5 kHz.
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Communications involving aircraft:
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On-scene, including search and rescue | 156.8 MHz
4, 121.5 MHz
5, 123.1 MHz, 156.3 MHz, 2182 kHz, 3023 kHz, 4125 kHz, and 5680 kHz.
6
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Locating signals:
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406-406.1 EPIRB Beacons | 121.5 MHz.
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9 GHz radar transponders | 9200-9500 MHz.
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Maritime safety information (MSI):
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International NAVTEX | 518 kHz.
7
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Warnings | 490 kHz, 4209.5 kHz.
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NBDP | 4210 kHz, 6314 kHz, 8416.5 kHz, 12579 kHz, 16806.5 kHz, 19680.5 kHz, 22376 kHz, 26100.5 kHz.
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Satellite | 1530-1545 MHz.
10
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General distress and safety communications and calling:
| |
Satellite | 1530-1544 MHz (space-to-Earth) and 1626.5-1645.5 MHz (Earth-to-space).
10
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Radiotelephony | 2182 kHz, 4125 kHz, 6215 kHz, 8291 kHz, 12290 kHz, 16420 kHz, and 156.8 MHz.
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NBDP | 2174.5 kHz, 4177.5 kHz, 6268 kHz, 8376.5 kHz, 12520 kHz, and 16695 kHz.
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DSC | 2187.5 kHz, 4207.5 kHz, 6312 kHz, 8414.5 kHz, 12577 kHz, 16804.5 kHz, and 156.525 MHz.
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Survival craft:
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VHF radiotelephony | 156.8 MHz and one other 156-174 MHz frequency
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9 GHz radar transponders | 9200-9500 MHz.
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