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Measuring the earth's rotation and orientation with GPSThe possibilities for providing precise and frequent measurements of earth's orientation in space by using GPS technology are reviewed. In particular, attention is given to the concepts as polar motion and Universal Time, definition of reference frames for unambiguous measurements of earth's rotations, and data processing strategies. Some of the results achieved to date are examined, and it is shown that Universal Time changes can be measured using GPS with an accuracy of better than 100 microseconds over a few hours. Finally, future plans are discussed.
Document ID
19920055194
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Freedman, Adam P.
(JPL Pasadena, CA, United States)
Date Acquired
August 15, 2013
Publication Date
May 1, 1992
Publication Information
Publication: GPS World
Volume: 3
Issue: 5, Ma
ISSN: 1048-5104
Subject Category
Geosciences (General)
Accession Number
92A37818
Distribution Limits
Public
Copyright
Other

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