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  2. Emergency locator beacon - Wikipedia

    en.wikipedia.org/wiki/Emergency_locator_beacon

    An emergency locator beacon is a radio beacon, a portable battery powered radio transmitter, used to locate airplanes, vessels, and persons in distress and in need of immediate rescue. Various types of emergency locator beacons are carried by aircraft, ships, vehicles, hikers and cross-country skiers.

  3. Satellite emergency notification device - Wikipedia

    en.wikipedia.org/wiki/Satellite_emergency...

    A Satellite Emergency Notification Device or SEND is a portable emergency notification and locating device which uses commercial satellite systems rather than the COSPAS-SARSAT satellite system. An example of this device is SPOT. The devices use an internal GPS chip to gather location information. When the SEND is triggered, this information is ...

  4. Mountain Locator Unit - Wikipedia

    en.wikipedia.org/wiki/Mountain_Locator_Unit

    A Mountain Locator Unit or MLU was a radio transmitter for use by mountain climbers as an emergency locator beacon when the wearer needs rescue.. The MLUs were simple radio beacons, and thus required search and rescuers to use traditional radio direction finding (RDF or DF) equipment to obtain a bearing, but not a precise location, to the beacon.

  5. SPOT Satellite Messenger - Wikipedia

    en.wikipedia.org/wiki/SPOT_Satellite_Messenger

    SPOT is a GPS tracking device that uses the Globalstar satellite network [1] to provide text messaging and GPS tracking (depending on the subscription type purchased). [2] [3] It has a coverage area that includes a large portion of the planet, with the exception of extreme northern and southern latitudes and parts of the Pacific Ocean. [4]

  6. Emergency position-indicating radiobeacon - Wikipedia

    en.wikipedia.org/wiki/Emergency_position...

    Overview diagram of COSPAS-SARSAT communication system used to detect and locate ELTs, EPIRBs, and PLBs First generation EPIRB emergency locator beacons. An emergency position-indicating radiobeacon (EPIRB) is a type of emergency locator beacon for commercial and recreational boats, a portable, battery-powered radio transmitter used in emergencies to locate boaters in distress and in need of ...

  7. ‘Underprepared’ hikers stuck for 19 hours on Oregon trail ...

    www.aol.com/news/underprepared-hikers-stuck-19...

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