Article

Journal of Geodesy

, Volume 79, Issue 6, pp 370-378

First online:

Defining a DORIS core network for Jason-1 precise orbit determination based on ITRF2000: methods and realization

  • P. WillisAffiliated withInstitut Géographique National, Direction TechniqueJet Propulsion Laboratory, California Institute of Technology Email author 
  • , J. C. RiesAffiliated withCenter for Space Research, The University of Texas

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Abstract

In view of the future adoption of the new precise orbit determination (POD) standards for the TOPEX/Poseidon and Jason-1 satellites, we propose a method to evaluate terrestrial reference frames for POD. We applied this method to the ITRF2000 realization of the DORIS network using local geodetic ties, plate motion models, the recent DORIS IGN04D02 cumulative solution and DORIS weekly time-series of coordinates. We propose to adopt a selection of the ITRF2000 realization based on specific criteria that we define here, and to extend it with ground stations for which we propose new coordinates and velocities. Only 13 out of 131 stations were considered to be inappropriate for POD activities. The result is a robust and well-distributed DORIS core network of 118 stations (DPOD2000) suitable for POD during the 1993–2008 period considered here.

Keywords

Terrestrial reference frame Precise orbit determination DORIS Satellite tracking networks