have any user interface, and just output decoded data in RS-232 format, either as a simple ASCII data stream, or using the NMEA NAVTEX sentences, or their own proprietary protocol. There are also a number of software packages available, such as SeaTTY, Mscan, JNX, Fldigi or JVComm32, allowing messages to be decoded by a PC with a suitable receiver connected to the computer's soundcard. Any general communications receiver capable of audio reception at 518 kHz or 490 kHz single sideband can be used. Proposed termination of U.S. NAVTEX In September 2019, the U.S. Coast Guard proposed shutting down its MF NAVTEX services and relying on satellite communications. See also List of Navtex stations Maritime safety information Radiofax References External links http://www.nws.noaa.gov/om/marine/navtex.htm http://www.navcen.uscg.gov/?pageName=NAVTEX NAVTEX station lists & information http://www.ndblist.info/navtex.htm (archive) http://www.pcnavtex.com/AboutNAVTEX/NAVTEXStations/tabid/63/Default.aspx Navigational equipment Electronic navigation Maritime communication Telegraphy Navigational aids Emergency communication