Apparatus for and a method of determining compass headings
Apparatus for and method of forming multiple simultaneous...
Apparatus for and method of improving position and time...
Apparatus for and methods of receiving a transmission signal
Apparatus for census surveying and related methods
Apparatus for controlling antenna in stratospheric platform...
Apparatus for controlling array antenna comprising a plurality o
Apparatus for correcting phase of phased array antenna and...
Apparatus for determining roll position
Apparatus for determining the magnitude of phase discontinuities
Apparatus for electronically controlling the radiation pattern o
Apparatus for estimating direction of arrival wave
Apparatus for estimating direction of arrival wave
Apparatus for locating and/or tracking stolen or missing vehicle
Apparatus for locating mobile receivers using a wide area...
Apparatus for maintaining the orientation of an antenna system w
Apparatus for measuring a spatial angle to an emitter using squi
Apparatus for multilateration and method
Apparatus for position detection using multiple antennas
Apparatus for positioning an antenna in a remote ground terminal