GPS and PLB
GPS (Global Positioning System)
is a space-based global navigation satellite system (GNSS) that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites. It is maintained by the United States government and is freely accessible by anyone with a GPS receiver
PLB (personal locator beacon)
are for personal use and are intended to indicate a person in distress who is away from normal emergency services; e.g., 9-1-1. They are also used for crewsaving applications in shipping and lifeboats at terrestrial systems.
- EPIRB & Person Locator Becon info (PDF doc) Info on (emergency position-indicating radio beacons)
- http://en.wikipedia.org/wiki/Distress_radiobeacon
- http://www.gpscentral.ca/personal-locator-beacons.html
- SPOT VS PLB Article
Fast Find 210 PLB info