Integrated terrestrial survey and satellite positioning system

Details Integrated terrestrial survey and satellite positioning system Integrated terrestrial survey and satellite positioning system

1993-07-01

1995-11-28

Issing, Gregory C.

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

Directive

Including a satellite

G01S 502, H04B 7185

Patent

active

054712181

ABSTRACT:
Apparatus for measuring surveying parameters, such as distances and angular displacements between survey stations, with improved accuracy. The invention combines a differential satellite positioning system (SATPS), available with positioning systems such as GPS and GLONASS, with electromagnetic measurements of distances and optically encoded angles by a conventional electro-optical survey instrument to provide survey measurements that can be accurate to within a few millimeters in favorable situations. The differential satellite positioning system relies upon carrier phase measurements, after removal of certain phase integer ambiguities associated with carrier phase SATPS signals. The SATPS may be retrofitted within the housing of the conventional electro-optical instrument.

REFERENCES:
patent: 4814711 (1989-03-01), Olsen et al.
patent: 4949089 (1990-08-01), Ruszkowski, Jr.
patent: 5233357 (1993-08-01), Ingesand et al.
patent: 5311194 (1994-05-01), Brown

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