Current Frequencies
International distress frequencies, currently in use are :
- 500 kHz is still monitored but as of 2010 has ceased to be used as the primary distress calling frequency at sea
- 2182 kHz for medium range maritime voice use
- Several HF maritime voice frequencies exist for long-distance distress calls:
- 4,125 kHz
- 6,215 kHz
- 8,291 kHz
- 12.290 MHz
- 16.420 MHz
- 121.5 MHz is the civilian aircraft emergency frequency or International Air Distress frequency. It is used by civilian distress radiobeacons; however, the Cospas-Sarsat system no longer monitors the frequency.
- 243 MHz for NATO military aircraft emergency frequencies
- Marine VHF radio Channel 16 (156.8 MHz) for short range maritime use
- 406 MHz to 406.1 MHz is used by the Cospas-Sarsat international satellite-based search and rescue (SAR) distress alert detection and information distribution system
Read more about this topic: International Distress Frequency
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