NASA NTRS · 19950007867
Earth orientation parameters
Abstract
Since the beginning of regular space geodetic measurements, Satellite Laser Ranging (SLR) has routinely provided polar motion and length of day solutions. At the present time, Global Positioning Systems (GPS) regularly produces daily polar motion solutions with 0.4 mas accuracy, equivalent to the routine 1-day VLBI experiments and SLR solutions using 3 days of Lageos-1 data. This rapid progress of the GPS technique forces a review of any resource allocations for VLBI and SLR measurements of Earth orientation.
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Eanes, Richard J.. 1994-11-01. Earth orientation parameters. https://ntrs.nasa.gov/citations/19950007867
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