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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.
A standard handheld marine VHF, mandatory on larger seagoing vessels under the GMDSS rules A VHF set and a VHF channel 70 DSC set, the DSC on top A vintage (76–89) marine VHF radiotelephone. 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 ...
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 ...
Transmitting a spoken voice Mayday message by radio over very high frequency channel 16 (156.8 MHz) or medium frequency on 2182 kHz [2] Transmitting a digital distress signal by activating (or pressing) the distress button on a marine radio equipped with Digital Selective Calling (DSC) over VHF channel 70 or over another designated DSC ...
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 ...
2182 kHz for medium range maritime voice use. The US Coast Guard has said "beginning August 1st, 2013 the Coast Guard would no longer monitor 2182 kHz". [4] Many other MRCCs, for example most in Northern Europe, now only have MF capabilities and no HF. [5] Several HF maritime voice frequencies exist for long-distance distress calls: [6] 4125 ...
Radio frequency is becoming saturated, degraded, or jammed and briefer transmissions must follow. Broadcast Request/directive to switch to broadcast control. Broke lock Loss of radar/infrared (IR) lock-on (advisory). Bruiser Friendly air-launched anti-ship missile (AShM) (for example, Harpoon, Exocet, or Penguin missiles). Buddy lock
Landline and submarine telegraphers' telegraphs had adopted the convention of using the station code "CQ" to all stations along a telegraph line.As the first wireless operators were taken from the already trained landline telegraphers, the current practices carried forward and CQ had then been adopted in maritime radiotelegraphy as a "general call" to any ship or land station.