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L-Tronics

L-Tronics is a company based in Santa Barbara, California that specializes in the design and manufacture of direction finding (DF) equipment for search and rescue applications, used to locate signals originating from distress radiobeacons. These include Emergency Locator Transmitters (ELTs) used by aircraft, Emergency Position Indicator Radio Beacons (EPIRBs) used by marine vehicles, and Personal Locator Beacons (PLBs). One major operator of L-Tronics devices is the Civil Air Patrol.