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Polar motion and UT1: Comparison of VLBI, lunar laser, satellite laser, satellite Doppler, and conventional astrometric determinationsVery long baseline interferometry observations made with a 3900 km baseline interferometer (Haystack Observatory in Massachusetts to Owens Valley Observation in California) were used to estimate changes in the X-component of the position of the Earth's pole and in UT1. These estimates are compared with corresponding ones from lunar laser ranging, satellite laser ranging, satellite Doppler, and stellar observations.
Document ID
19800020301
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Robertson, D. S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Clark, T. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Coates, R. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ma, C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ryan, J. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Corey, B. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Counselman, C. C., III (NASA Goddard Space Flight Center Greenbelt, MD, United States)
King, R. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Shapiro, I. I. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hinteregger, H. F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 10, 2013
Publication Date
July 1, 1980
Publication Information
Publication: Radio Interferometry
Subject Category
Earth Resources And Remote Sensing
Accession Number
80N28802
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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