HF marine

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[[Pescadores|Fisheries, fishing boats, and other commercial marine users]] will often use frequencies in the fixed/mobile bands ([[List_of_Pirate_Radio_Frequencies|including 43 meters - 6765-7000 kHz]]) clear frequencies in the shortwave broadcast bands or even amateur frequencies for "out of band" communications to reduce the chance of radio interception by their competition.   
[[Pescadores|Fisheries, fishing boats, and other commercial marine users]] will often use frequencies in the fixed/mobile bands ([[List_of_Pirate_Radio_Frequencies|including 43 meters - 6765-7000 kHz]]) clear frequencies in the shortwave broadcast bands or even amateur frequencies for "out of band" communications to reduce the chance of radio interception by their competition.   
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See also: [[VHF_marine|VHF marine band}}
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See also: [[VHF_marine|VHF marine band]]
===MF SSB and HF SSB marine bands===
===MF SSB and HF SSB marine bands===

Revision as of 12:48, 19 October 2018

HF-SSB marine bands - these are standardized maritime mobile MF and HF communications bands - note that many maritime mobile users operate outside of these bands and there are dozens of country- or region-specific additional bands/frequencies.

Fisheries, fishing boats, and other commercial marine users will often use frequencies in the fixed/mobile bands (including 43 meters - 6765-7000 kHz) clear frequencies in the shortwave broadcast bands or even amateur frequencies for "out of band" communications to reduce the chance of radio interception by their competition.

See also: VHF marine band

MF SSB and HF SSB marine bands

Band Frequency Range
405-525 kHz MF band, used in some areas for NAVTEX on 490 kHz and/or 518 kHz. 500 kHz was the original CW Morse code calling frequency
1600-1800 kHz MF band, used in Europe and elsewhere (also used heavily for fishnet beacons)
2000-2300 kHz MF 2 MHz marine band - USB voice calling 2182 kHz, DSC calling 2187.5 kHz
2450-2850 kHz MF 2 MHz marine band
4000-4063 kHz 4 MHz fixed/mobile band, shared with marine for simplex purposes
4063-4438 kHz HF 4 MHz marine band - USB voice calling 4125 kHz, DSC calling 4207.5 kHz
6200-6525 kHz HF 6 MHz marine band - USB voice calling 6215 kHz, DSC calling 6312 kHz
8000-8195 kHz 8 MHz fixed/mobile band, shared with marine for simplex purposes
8195-8815 kHz HF 8 MHz marine band - USB voice calling 8291 kHz, DSC calling 8414.5 kHz
12330-13200 kHz HF 12 MHz marine band - USB voice calling 12290 kHz, DSC calling 12577 kHz
16460-17360 kHz HF 16 MHz/17 MHz marine band - USB voice calling 16420 kHz, DSC calling 16804.5 kHz
22000-22855 kHz HF 22 MHz marine band
25070-25121 kHz HF 25 MHz marine band
26145-26175 kHz HF 26 MHz marine band
26175-28000 kHz Various CB-like marine allocations found in this region



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