Spectrum recovery apparatus and method therefor

Split band filter for cellular mobile radio

Spot beam location method and apparatus

Spurious-free flexible frequency converter and a satellite...

Stabilized mobile relay station

Static and dynamic partnering schemes for satellite cross-links

Statistically robust traffic modeling method and apparatus

Straight-through-repeater

Stratospheric platform based surface vehicle tracking and...

Stratospheric-based communication system for mobile users...

Sub-orbital, high altitude communications system

Subscriber unit for beam acquisition in a satellite...

Supervision of transmission systems

Supervisory system and method

Supplemental satellite communication enhancement techniques

Switching VSAT transmitter

Symbol combining device for multi-path diversity

Synchronization burst processor for a processing satellite

Synchronization method and apparatus for simulcast transmission

Synchronizing a radio network with end user radio terminals