Method and system to improve GPS navigation

Details Method and system to improve GPS navigation Method and system to improve GPS navigation

1997-12-30

2000-10-10

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

342464, G01S 502

Patent

active

061306428

ABSTRACT:
A method and system are provided for improving the navigation accuracy of a vehicle guided by the global positioning system (GPS). The system can be ermanent or can be delivered "on station" by delivery vehicles dropped from a host aircraft. If delivered, each delivery vehicle travels to a destination at the earth's surface on land or at sea. At each destination, an antenna and a GPS receiver use GPS signals and determine the position of the antenna. A transmitter coupled between the GPS receiver and the antenna transmits the determined position of the antenna over the air waves via the antenna. In this way, a plurality of earth-bound GPS positions can be used by a GPS-guided vehicle to improve its navigation accuracy thereby eliminating the atmospheric errors associated with satellite-transmitted signals.

REFERENCES:
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patent: 5456427 (1995-10-01), Greenhalgh
patent: 5522567 (1996-06-01), Kinstler
patent: 5554994 (1996-09-01), Schneider
patent: 5646630 (1997-07-01), Sheynblat et al.
patent: 5686924 (1997-11-01), Trimble et al.
patent: 5741167 (1998-04-01), Hagerty
patent: 5886665 (1999-03-01), Dosh et al.

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