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| − | HF Maritime communications have undergone a radical change over the last several years. Many stations that used to have voice communications have either gone dark or using digital modes, some of which are not readable except to the intended target. Let's take a look at what is out there.
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| − | ==Voice==
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| − | * Although most voice communications are gone, there are some stations still on the air. Ships and stations are allocated in fixed frequency ranges, and you can find those ranges listed [https://www.navcen.uscg.gov/?pageName=mtHighFrequency here].
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| − | * The Canadians have the [https://www.ccg-gcc.gc.ca/publications/mcts-sctm/ramn-arnm/part1-eng.html Radio Aids to Navigation]
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| − | * USCG Voice Marine weather broadcasts can be found [https://www.weather.gov/marine/uscg_broadcasts here]. Click the ''USCG HF Voice'' link
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| − | ==Digital (below the AM broadcast band)==
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| − | *DGPS
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| − | *[https://www.sigidwiki.com/wiki/SITOR-B SITOR-B/NAVTEX (SigID Wiki)]
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| − | ==Drift Net Buoys and Navigational Aids==
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| − | * [https://www.hfunderground.com/board/index.php/board,40.0.html Drift Net Buoys loggings (HF Underground)]
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| − | * [https://www.sigidwiki.com/wiki/Driftnet_Buoy_Radio_Beacon Driftnet Buoy Beacons (SigID Wiki)]
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| − | ==Digital (2-30 Mhz)==
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| − | *[https://www.sigidwiki.com/wiki/GMDSS_Digital_Selective_Calling GMDSS/DSC (SigID Wiki)]
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| − | *Baudot RTTY
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| − | *Weather FAX
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| − | ** NOAA publication
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| − | ** Fukushima Fisheries
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| − | *PACTOR
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| − | **Sailmail
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| − | *[https://www.sigidwiki.com/wiki/SITOR-A SITOR-A (SigID Wiki)]
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| − | *[https://www.sigidwiki.com/wiki/SITOR-B SITOR-B/NAVTEX (SigID Wiki)]
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| − | ==Websites==
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| − | * [http://www.udxf.nl/links.html UDXF Links page] See the ''Maritime / NAVTEX'' section
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| − | * [http://www.udxf.nl/ute-info.html UDXF Files page] See the ''Aero / Maritime'' section
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