Geodetic accuracy of the Macrometer model V-1000 |
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| Authors: | Y Bock R I Abbot C C Counselman S A Gourevitch R W King A R Paradis |
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| Institution: | (1) Air Force Geophysics Laboratory, Hanscom Air Force Base, 01731, MA, USA;(2) Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 02139 Cambridge, MA, USA |
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| Abstract: | The Macrometer Model V-1000 is a geodetic positioning instrument that uses the radio signals broadcast by the GPS satellites.
The Macrometer is the only GPS user equipment commercially available that does not require any of the GPS codes. The Model
V-1000 receives only the 19-cm wavelength signals from GPS although similar instruments, built for the U.S. Air Force Geophysics
Laboratory, receive both the 19-and the 24-cm wavelengths. In this paper we summarize the results of two years of field testing
of the V-1000. This instrument, observing four or five satellites fof a few hours, yields a point position accurate within
several meters in each coordinate: latitude, longitude and ellipsoidal height. All three components of the relative position
vector between a pair of points can be determined within 2 parts per million of the distance, given a similar schedule of
observations. This accuracy has been obtained for intersite distances from one kilometer to several thousand kilometers.
Macrometer is a trademark of Aero Service Division, Western Geophysical Company of American, 8100 Westpark Drive, Houston,
Texas, 77063, U.S.A. |
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