Satellite gadgets assist search

WBIR-TVSatellite gadgets assist search-and-rescue in SmokiesWBIR-TVJuly 28, 2015: Rangers in the Great Smoky Mountains average 100 search and rescue missions per year. Some new high-tech gadgets are helping hikers in distress, but experts say the devices should be used in addition to tried-and-true safety gear. WBIR.