Method of simultaneously measuring orthometric and geometric hei

Details Method of simultaneously measuring orthometric and geometric hei Method of simultaneously measuring orthometric and geometric hei

1991-02-26

1991-07-09

Hellner, Mark

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

Directive

Including a satellite

342450, G01S 514

Patent

active

050309579

ABSTRACT:
A method of simultaneously measuring orthometric and geometric heights is ovided. Simultaneous Global Positioning System (GPS) and level surveying is proposed to more efficiently obtain certain geodetic measurements. GPS receiver antennas are attached to the top of leveling rods and GPS measurements are taken while a level survey is performed. This procedure enables precise estimates in differences between the change in orthometric height and change in geometric height to be determined along baselines.

REFERENCES:
patent: 4170776 (1979-10-01), MacDoran
patent: 4860018 (1989-08-01), Counselman III
patent: 4870422 (1989-09-01), Counselman III
patent: 4965586 (1990-10-01), O'Neill et al.

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