****************************************************************************** dorismail 31-May-2010 14:14:13 Message No 0670 ****************************************************************************** Author: "Ferrage Pascale" Subject: POE Orbit in sp3 format Dear Colleagues, I'm pleased to announce that the CNES-SSALTO/POD team is ready to deliver the POE orbits in sp3 format to the IDS Data Centers (CDDIS and IGN). See ftp://igscb.jpl.nasa.gov/igscb/data/format/sp3c.txt These files will be delivered every 3-4 weeks on each arc/cycle of the current missions: spot4, spot5, envisat, jason1, jason2, cryosat2. They will be available in the public directories of the IDS Data Centers (CDDIS / IGN): pub/doris/products/orbits/ssa where "ssa" means SSALTO ==> Sub-directories: sp4, sp5, en1, ja1, ja2, cs2 The filename for these files is given in the document "IDS data structure and format" available on the IDS web at http://ids-doris.org/analysis-documents/struct-dc.html) Filename= cccsssVV.bXXDDD.eYYEEE.dsg.sp3.LLL.Z Where ccc = center three-character acronym (fixed to ssa) sss = satellite three-character abbreviation (sp4, sp5, en1, ja1, ja2, cs2) VV = version number of the solution b = fixed part ("begin") XX = last two digits of year of first position DDD = three-digit day of year of first position (2) e = fixed part ("end") YY = last two digits of year of last position EEE = three-digit day of year of last position (2) dsg = types of data used for the orbite determination d= "D" or "_" : if DORIS data are used or not s= "S" or "_" : if SLR data are used or not g= "G" or "_" : if GPS data are used or not sp3 = fixed part, referring to the SP3 format LLL = version number (starting with 001) when the file is replaced Z (upper cap) points to compacted file (Unix) Best regards, Pascale FERRAGE _____________________________________________________ CNES - International DORIS Service (IDS): http://ids-doris.org/ DCT/ME/OT- Bpi 612 Phone : 33 - (0)5 61 28 30 66 18, avenue Edouard Belin Fax : 33 - (0)5 61 28 25 95 31 401 TOULOUSE CEDEX 9 Email : Pascale.ferrage@cnes.fr _____________________________________________________ Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr