Position locating transceiver

Details Position locating transceiver Position locating transceiver

1993-04-22

1995-05-09

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

342 44, 342 50, 342463, G01S 102, G01S 302

Patent

active

054144329

ABSTRACT:
A hand-portable position locating radio has a geolocation (e.g. GPS) receiver providing local position and timing information from geolocation means (e.g. GPS or IRIDIUM satellites) and a local transceiver for sending local position and other information to a communication system (e.g., an IRIDIUM or MILSAT satellite). A data processor coupled to the local transceiver and receiver controls operation of the device, including storing local position information and separating signals broadcast by the communication system into those intended or not intended for the device. The radio prepares an emergency access message which it sends to the satellite communication system in a manner to insure rapid detection of the emergency signal and allocation of a clear channel and time slot for further communication.

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An article entitled "Combat Rescue. One Pass is All You Get. With PLS, One Pass is All You Need. PLS (Personnel Locator System)", published jointly by Cubic Defense Systems and Motorola, Inc., publication date unknown.
A Motorola publication entitled "An/PRC-112 Multi-Mission Transceiver", published by Motorola, Inc., Communications Division, Copyright 1991.

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