System for determining position from pseudorandomly modulated radio signals Grant US-5805200-A United States of America 08 Sep 1998
System for determining position from suppressed carrier radio waves Grant US-5619212-A United States of America 08 Apr 1997
System for determining position from suppressed carrier radio waves Grant US-5384574-A United States of America 24 Jan 1995
System for simultaneously deriving position information from a plurality of satellite… Grant US-5194871-A United States of America 16 Mar 1993
System for simultaneously deriving position information from a plurality of satellite… Grant US-5014066-A United States of America 07 May 1991
Method and system for determining position on a moving platform, such as a ship, using… Grant US-4894662-A United States of America 16 Jan 1990
Method and system for determining position from signals from satellites Grant US-4870422-A United States of America 26 Sep 1989
Continuous wave interference rejection for reconstructed carrier receivers Grant US-4860018-A United States of America 22 Aug 1989
Determining ship towed sensor position information Grant US-4809005-A United States of America 28 Feb 1989
Method and system for determining position using signals from satellites Grant US-4667203-A United States of America 19 May 1987
METHOD AND DEVICE FOR MEASURING BASE VECTORS BY means of RADIO INTERFEROMETRY USING RADIO… Application DE-3305478-A1 Germany 15 Sep 1983