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  2. 2182 kHz - Wikipedia

    en.wikipedia.org/wiki/2182_kHz

    2182 kHz is analogous to channel 16 on the marine VHF band, but unlike VHF which is limited to ranges of about 20 to 50 nautical miles (40 to 90 km) depending on antenna height, [3] communications on 2182 kHz and nearby frequencies have a reliable range of around 50 to 100 nautical miles (90 to 190 km) during the day and 150 to 300 nautical miles (280 to 560 km) or sometimes more at night.

  3. Marine VHF radio - Wikipedia

    en.wikipedia.org/wiki/Marine_VHF_radio

    Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship, ship-to-shore (for example with harbormasters), and in certain circumstances ship-to-aircraft.

  4. Maritime Mobile Service Q Codes - Wikipedia

    en.wikipedia.org/wiki/Maritime_Mobile_Service_Q...

    Can you communicate by radiotelephony (2182 kHz)? I can communicate by radiotelephony (2182 kHz). QOC : Can you communicate by radiotelephony (channel 16 - frequency 156.80 MHz)? I can communicate by radiotelephony (channel 16 - frequency 156.80 MHz). QOD : Can you communicate with me in ... 0. Dutch 5. Italian 1. English 6. Japanese 2. French ...

  5. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    2182 kHz is a medium-wave frequency still used for marine emergency communication. Marine VHF radio is used in coastal waters and relatively short-range communication between vessels and to shore stations. Radios are channelized, with different channels used for different purposes; marine Channel 16 is used for calling and emergencies.

  6. Sécurité - Wikipedia

    en.wikipedia.org/wiki/Sécurité

    Sécurité: A radio call that usually issues navigational warnings, meteorological warnings, and any other warning needing to be issued that may concern the safety of life at sea, yet may not be particularly life-threatening. Pan-pan: This is the second most important call. This call is made when there is an emergency aboard a vessel, yet there ...

  7. Radio silence - Wikipedia

    en.wikipedia.org/wiki/Radio_silence

    Up until the procedure was replaced by the Global Maritime Distress and Safety System (August 1, 2013 in the U.S.), maritime radio stations were required to observe radio silence on 500 kHz (radiotelegraph) for the three minutes between 15 and 18 minutes past the top of each hour, and for the three minutes between 45 and 48 minutes past the top ...