Research Article
Nov 1978
Doppler Satellite Surveying System
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VIEW THE REPLYPublication: Journal of the Surveying and Mapping Division
Volume 104, Issue 1
Abstract
The Doppler Satellite System has become an indispensable tool for the surveyor. Because of its portability, all weather capabilities, reasonable cost, and accuracies at the sub-meter level, the Doppler satellite surveying technique is increasingly being used by surveyors around the world to meet control requirements for a variety of applications. The National Geodetic Survey which has utilized Doppler positioning since 1973 has found that with improved tracking instrumentation, field operating procedures, and refinements in the data reduction programs, positional rms errors are now less than 50 cm for 40-pass solutions and 10-cm to 25-cm for differential positions. While studies are continuing to determine the limiting accuracy of the present Doppler system, improved Doppler satellite surveying using the Global Positioning System (GPS) is being researched. Preliminary studies indicate this system may be more practical and cost effective in meeting the needs of the worldwide surveying community by giving better than 10-cm accuracy within a day's observations.
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Information & Authors
Information
Published In
Journal of the Surveying and Mapping Division
Volume 104 • Issue 1 • November 1978
Pages: 79 - 91
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Nov 1978
Published online: Feb 12, 2021
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Authors
Affiliations
Larry D. Hothem, M.ASCE
Geodesist, Satellite and Marine Applications Group, Gravity, Astronomy and Satellite Branch, National Geodetic Survey, National Ocean Service, National Oceanic and Atmospheric Administration, Rockville, Md.
Madeline White
Geodetic Technician, Satellite and Marine Applications Group, Gravity, Astronomy and Satellite Branch, National Geodetic Survey, National Ocean Service, National Oceanic and Atmospheric Administration, Rockville, Md.
William E. Strange
Chf., Gravity, Astronomy and Satellite Branch, National Geodetic Survey, National Ocean Survey, National Oceanic and Atmospheric Administration, Rockville, Md.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.