Base line estimation using single passes of laser data

Details Base line estimation using single passes of laser data Base line estimation using single passes of laser data

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.3917d&link_type=abstract

Journal of Geophysical Research, vol. 84, July 30, 1979, p. 3917-3920.

Physics

Geodetic Satellites, Geos 3 Satellite, Laser Range Finders, Satellite Tracking, Accuracy, Arcs, Ground Stations, Lines (Geometry), Planetary Gravitation

Scientific paper

The laser data of the GEOS 3 satellite passes observed by four stations at Greenbelt (Maryland), Bermuda, Grand Turk Island (Bahamas) and Patrick Air Force Base (Florida), were employed to determine precise interstation base lines and relative heights in short orbital arcs of no more than 12-min duration. No more than five arcs of data are required to define the interstation base lines to 30-cm precision. Base lines running parallel to the orbital motion can be defined to submeter precision from a single short arc of data. Combining arcs of different orbital geometry in a common adjustment of two or more stations relative to the base station helps to compensate for weak base line definition in any single arc. This technique can be used for tracking such spacecraft as Lageos, a high-altitude retroreflector-carrying satellite designed for precise laser ranging studies.

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