HF Radio

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The ICOM706 MKII G

HF, or high frequency, radios provide communication beyond the range of the traditional VHF radio that many mariners rely on in coastal waters. VHF radios are typically limited to near 30 miles of range while HF radios can cover thousands of miles. There are generally two ways to take advantage of the HF spectrum while at sea: Marine Radio and Amateur Radio. Both have benefits and drawbacks. It should be noted that while we identify these radios as HF they typically include MF or medium frequency coverage as well. MF frequencies are especially important in the marine bands as they are the primary means of communicating with shore emergency services, such as the Coast Guard, when operating within 250 miles of the shore, in accordance with GMDSS.

Marine HF radio is also called SSB in some sailing circles. SSB, however, identifies the modulation of the transmission and not the actual frequencies used. This would be akin to calling your VHF radio your FM radio.

Because HF communications are a bit less straight forward than VHF communications links below are provided to help break down the topic a bit.


Marine Nets

This is a very good and useful selection of Ham Radio Nets extracted from the listings in the Marine Electrical & Electronics Bible. If you are not a licensed operator, invest in a receiver only and listen in to the nets, the information can be invaluable. Alternatively you can use an internet streaming web tuner, this site has them available. What a cool idea!

Times in UTC followed by frequency in MHz and Net Name

  • 0025 - 14.232 - Mobile Maritime Net
  • 0100 - 21.407 - Pacific Indian Ocean Net
  • 0200 - 14.313 - Pacific Seafarers Net
  • 0400 - 14.340 - MARITIME EMERGENCY NET
  • 0500 - 14.303 - Tony's Net (Red Sea & Indian Ocean)
  • 0500 - 8.297 - Peri-Peri Radio East Africa
  • 0530 - 14.316 - Peri-Peri Radio East Africa (after wx)
  • 0630 - 14.316 - South African Maritime Mobile Net
  • 0700 - 14.118 - Le Reseau Du Capitaine Net
  • 0700 - 14.303 - International Net
  • 0700 - 7.085 - Mediterranean Maritime Mobile Net
  • 0800 - 7.238 - PST Baja California Maritime Mobile Net
  • 0800 - 14.303 - UK Maritime Mobile Net
  • 0800 - 14.315 - Pacific Inter-island Net
  • 0830 - 12.359 - Russell Radio (Pacific/NZ)
  • 0830 - 8.152 - Cruiseheimers Net
  • 0900 - 14.313 - Mediterranean M/M Net
  • 1000 - 14.315 - Robby’s Net
  • 1030 - 7.080 - Caribbean Weather Net
  • 1030 - 14.265 - Caribbean Weather Net
  • 1100 - 7.230-7.240 - Caribbean Maritime Mobile Net
  • 1115 - 14.320 - Roy’s Net
  • 1130 - 14.320 - South African Maritime Mobile Net
  • 1200 - 14.340 - Manana M/M Net (Hawaii, West Coast US)
  • 1230 - 7.237 - Caribbean Net
  • 1245 - 14.121 - Mississauga Net (Atlantic, Med, Caribbean)
  • 1300 - 21.400 - Transatlantic Net
  • 1330 - 8.107 - Panama Canal Connection Net
  • 1400 - 8.188 - NW Caribbean Cruisers Net
  • 1400 - 7.292 - Florida Coast Net
  • 1400 - 8.188 - Northwest Caribbean Cruisers Net
  • 1530 - 7.294 - Chubasco Net
  • 1545 - 14.340 - Marquesas Net
  • 1600 - 14.331 - US Coast Guard Net
  • 1630 - 14.313 - German Maritime Mobile Net
  • 1630 - 12.359 - Russell radio (Pacific/NZ)
  • 1700 - 14.300 - Maritime Mobile Service net
  • 1700 - 14.329 - Skippers Net
  • 1700 - 14.340 - California Hawaii Net
  • 1800 - 14.340 - MARITIME EMERGENCY NET
  • 1800 - 14.303 - UK Maritime Mobile Net
  • 1800 - 14.282 - South Pacific Net
  • 1800 - 7.076 - South Pacific Cruising Net
  • 1900 - 14.305 - Confusion Net (Pacific)
  • 2000 - 12.359 - Herb Hilgenbergs Southbound Net (SSB)
  • 2000 - 14.297 - Italian Maritime Mobile Net
  • 2030 - 14.303 - Swedish Maritime Net
  • 2040 - 7.087 - Comedy Net (Pacific/Australia)
  • 2100 - 14.316 - Tony’s Net (South Pacific, Aust & NZ)
  • 2130 - 14.290 - East Coast Waterways Net
  • 2200 - 21.412 - Pacific Maritime Mobile Net
  • 2300 - 14.315 - Robby’s Net
  • 2400 - 14.320 - SE Asia M/M Net

References

Publications, manuals, etc.

Forum Discussions

List links to discussion threads on partnering forums. (see link for requirements)

External links


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