Method and apparatus for selecting a marine radio operating...

Method and apparatus for selecting optimal satelittes in...

Method and apparatus for simplex delivery of signals to obstruct

Method and apparatus for smoothing code measurements in a global

Method and apparatus for spacecraft antenna beam pointing...

Method and apparatus for spacecraft payload pointing...

Method and apparatus for synchronizing to a multi-beam satellite

Method and apparatus for the wireless exchange of information be

Method and apparatus for time-free processing of GPS signals

Method and apparatus for tracking a moving object

Method and apparatus for tracking a moving object

Method and apparatus for tracking items using dual frequency...

Method and apparatus for tracking location of user equipment...

Method and apparatus for tracking the position and velocity of a

Method and apparatus for transmitting real time data from...

Method and apparatus for using long term satellite tracking...

Method and apparatus for using satellite status information...

Method and apparatus for utilizing a movable GPS antenna for sur

Method and apparatus for weak data frame sync in a...

Method and apparatus for wide area augmentation system...