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  2. Duress code - Wikipedia

    en.wikipedia.org/wiki/Duress_code

    [3] [4] For cases where verbal communication (e.g. via cell phone) is possible with family member or friend, a covert phrase can be used to signal duress. In the slim chance that a captor allows the person in duress to use their cell phone (e.g. to obtain a PIN), there is a limited opportunity to use a duress code.

  3. 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.

  4. Escape from Tarkov - Wikipedia

    en.wikipedia.org/wiki/Escape_from_Tarkov

    Escape from Tarkov is a multiplayer tactical first-person shooter video game in development by Battlestate Games for Microsoft Windows. The game is set in the fictional Norvinsk region in northwestern Russia , where a war is taking place between two private military companies (United Security "USEC" and the Battle Encounter Assault Regiment ...

  5. CQD - Wikipedia

    en.wikipedia.org/wiki/CQD

    The first US ship to send a wireless distress call in 1905 simply sent HELP (in both International Morse and American Morse code). [3]: 218 On 7 December 1903, Ludwig Arnson was a wireless operator aboard the liner SS Kroonland when the ship lost a propeller off the Irish coast. His call of CQD brought aid from a British cruiser.

  6. Distress signal - Wikipedia

    en.wikipedia.org/wiki/Distress_signal

    A distress signal, also known as a distress call, is an internationally recognized means for obtaining help.Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance.

  7. SOS - Wikipedia

    en.wikipedia.org/wiki/SOS

    SOS is a Morse code distress signal ( ), used internationally, originally established for maritime use.In formal notation SOS is written with an overscore line (SOS), to indicate that the Morse code equivalents for the individual letters of "SOS" are transmitted as an unbroken sequence of three dots / three dashes / three dots, with no spaces between the letters. [1]

  8. World of Warcraft - Wikipedia

    en.wikipedia.org/wiki/Gameplay_of_World_of_Warcraft

    World of Warcraft (WoW) is a 2004 massively multiplayer online role-playing (MMORPG) video game developed and published by Blizzard Entertainment for Windows and Mac OS X.Set in the Warcraft fantasy universe, World of Warcraft takes place within the world of Azeroth, approximately four years after the events of the previous game in the series, Warcraft III: The Frozen Throne. [3]

  9. Digital selective calling - Wikipedia

    en.wikipedia.org/wiki/Digital_Selective_Calling

    A Distress DSC call is called an Alert. Urgency, Safety and Routine are called Announcements. Class A VHFs, used on commercial ships, have the ability to send distress, distress relay, all ships urgency, all ships safety, individual, group, geographic area and telephone alerts/announcements on DSC channel 70 (Digital channel reserved for DSC ...