GLOBAL POSITIONING SYSTEM BASED RESCUE EQUIPMENT, COMPRISING A PERSONAL, INDIVIDUALLY-WORN TRANSMITTER UNIT AND A SHIPBOARD OR CENTRAL STATION-BASED RECEIVER AND EMERGENCY BROADCAST UNIT
GLOBAL POSITIONING SYSTEM BASED RESCUE EQUIPMENT, COMPRISING A PERSONAL, INDIVIDUALLY-WORN TRANSMITTER UNIT AND A SHIPBOARD OR CENTRAL STATION-BASED RECEIVER AND EMERGENCY BROADCAST UNIT
GLOBAL POSITIONING SYSTEM BASED RESCUE EQUIPMENT, COMPRISING A PERSONA...