****************************************************************************** dorismail 17-Sep-2007 15:24:34 Message No 0513 ****************************************************************************** Author: Laurent soudarin Subject: LCA sp1 orbits at IDS data centers Dear colleagues, LCA has delivered orbit files to IDS in sp1 format for Spot2, Spot4, Spot5, Envisat and Jason. These orbits are obtained during the data analyses for the preparation of the lcawd18 sinex weekly series (see my latest DORISmail #510). (Note however that Jason data are not included in the combined solutions lcawd18.) The sp1 files and their relevant documentation are on-line at CDDIS and soon at IGN Data Center. ftp://cddis.gsfc.nasa.gov/pub/doris/products/orbits/lca/ ftp://doris.ensg.ign.fr/pub/doris/products/orbits/lca/ At present, the orbits are only available from January 2005 forward, but data prior to January 2005 will be re-processed to complete the series on a best efforts basis. For ENVISAT and Jason, satellite laser ranging (SLR) data are also used for orbit determination. These are DORIS+SLR mixed orbits. From now on, the orbit files will be included in the LCA regular delivery to IDS Data Center. Should you have any questions, please do not hesitate to contact me. Best regards, Laurent ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Laurent SOUDARIN Collecte Localisation Satellites Parc Technologique du Canal 8-10 Rue Hermes 31520 Ramonville Saint Agne, France Tel : +33 (0)5 61 39 48 49 Laurent.Soudarin @ cls.fr Fax : +33 (0)5 61 39 48 06 http://www.cls.fr ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr