System for compensating polarization errors

System for detecting an altitude of a vehicle dependent on a glo

System for detecting mobile receivers, using digital...

System for determining and registering location of mobile termin

System for determining direction or attitude using GPS satellite

System for determining position from pseudorandomly modulated ra

System for determining position from suppressed carrier radio wa

System for determining position from suppressed carrier radio wa

System for determining position of an emitter

System for determining position of mobile communication...

System for determining position of mobile communication...

System for determining position over a network

System for determining precise orbit of satellite and method...

System for determining the location of mobile objects

System for direction determination

System for electronically aligning the polarization of an...

System for generating GPS position of underwater vehicle

System for global automatic control of transportation means...

System for hybrid wired and wireless geographic-based communicat

System for improved GPS accuracy using a sky map