Radio trunking fault detection system with power output monitori

Radio trunking system with transceivers and repeaters using spec

Radiocommunication system using geostationary and...

Radiotelephones and operating methods that use a single...

Random energy communication system

Range repeater for a transmission system

Ranging method and apparatus in a communication system with...

Re-broadcast system for a plurality of AM signals

Real-time adaptive power control in satellite communications sys

Real-time adaptive power control in satellite communications sys

Receiver for determining a position on the basis of satellite ne

Receiver for satellite navigational positioning system

Receiving apparatus and reception antenna setting method

Reconfigurable analog channel processor for multibeam...

Reconfigurable multiplexer

Reconfigurable satellite and antenna coverage communications...

Record message delivery system

Reducing service outages in a multibeam satellite system

Reduction of power consumption in a portable communication unit

Reduction of queuing delays by multiple subgroup assignments