UDF Teams
Urban Direction finding involves the use of specialized electronic direction finding (DF) equipment to locate Emergency Location Transmitters (ELTs) or Personal Locator Beacons (PLBs)
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ELTs are generally carried by light aircraft and gliders. They activate automatically during a crash landing, can be activated manually if the pilot is in distress. ELTs have been known to activate accidentally during a rough landing or if faulty.
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PLBs are carried by backcountry hikers, hunters and winter sports people. They can be activated by a person who may be lost, injured or in distress.
ELT/PLB signals are picked up via a satellite and CAP can be requested to deploy UDF and Search Teams to locate the beacon and its owner. http://www.sarsat.noaa.gov/emerbcns.html
UDF teams are generally deployed in vehicles, but may be required to hike to locations as part of a Ground Search Team (see GTM description above)
UDF teams are normally commanded by a Ground Team Leader.