Digital NAVSTAR receiver
Digital range turn-around for tracking, telemetry and control tr
Digital spacecraft antenna tracking system
Digital system for codeless phase measurement
Digitally controlled beam former for a spacecraft
Digitally programmable radio modules for navigation systems
Digitally synthesized phase error correcting system
Digitally synthesized phased antenna for multibeam global...
Direct acquisition of very large PN sequences in GPS systems
Direct acquistion of very large PN sequences in GPS systems
Direct digital synthesizer driven phased array antenna
Direct digital synthesizer driven phased array antenna
Direct integrated approach to multipath signal identification
Direct sampling GPS receiver for anti-interference operations
Direct sequence spread spectrum direction finder
Directed reception pattern antenna
Direction adjustment indicator for a satellite radio wave receiv
Direction and distance finder
Direction and distance finder for locating distress signals
Direction determination in cellular mobile communications...