****************************************************************************** dorismail 04-Jun-2008 07:26:42 Message No 0539 ****************************************************************************** Author: "Frank G. Lemoine" Subject: DPOD2005 / release of version 1.1 Dear colleagues, for your information, we have derived an extension of ITRF2005, called DPOD2005 for DORIS Precise Orbit Determination For all DORIS stations, coordinates in ITRF2005 at epoch 2000.0 and velocities are provided. Information on station coordinates and velocity discontinuities, as well as period during which DORIS data should not be used are also given. Additional information are also provided on a site by site basis, explaining how we derived these results : http://www.ipgp.jussieu.fr/~willis/DPOD2005.htm We plan to update information on this Web site on a regular basis, starting with current version 1.1 . So, if you find errors or if you have any question, please feel free to recontact me at willis@igpg.jussieu.fr This work was done by a group of people and we will soon submit an article in Advances in Space Research to document these results, after a presentation at the next COSPAR meeting in Montreal in July : P. Willis, J.C. Ries, L. Soudarin, N. Zelensky, E.C. Pavlis, DPOD2005 : Realization of a DORIS terrestrial reference frame for precise orbit determination, ADVANCES IN SPACE RESEARCH, in preparation A similar work was performed in case of ITRF2000, leading to DPOD2000. More explanation on the method used can be found in the following previous article: Willis, P; Ries, JC. 2005. Defining a DORIS core network for Jason-1 Precise Orbit Determination based on ITRF2000, Methods and realizations, JOURNAL OF GEODESY 79 (6-7):370-378, DOI: 10.1007/s00190-005-0475-9 Best regards Pascal ----------------------------- Pascal Willis Institut de Physique du Globe de Paris 4 place Jussieu, 75252 Paris, France Em: willis@ipgp.jussieu.fr ----------------------------- Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr