The international system which responds to emergency beacons, such as EPIRBs
Cospas: Russian words “Cosmicheskaya Sistyema Poiska Avariynich Sudov”, meaning Space System for the Search of Vessels in Distress.
Sarsat: Search and Rescue Satellite-Aided Tracking.
Emergency Position Indicating Radio Beacon (maritime distress beacon)
Global Navigation Satellite System – the generic name for the various systems such as the US Global Position System, the Russian GLONASS and Europe’s Galileo System.
Machine to machine communication. For example. a tracking unit sending a position back to a central computer.
Personal Locator Beacon
Satellite Emergency Notification Device