------------------------------------------------------------------------------- IGS DATA CENTER ------------------------------------------------------------------------------- Short Name : CDDIS Institution : Crustal Dynamics Data Information System Function within IGS : Global Data Center Mail Address : Code 690 NASA GSFC Greenbelt, MD 20771 Contact : Carey Noll Telephone : (301) 614-6542 Fax : (301) 614-6015 E-Mail : Carey.Noll@nasa.gov Backup Contact : Maurice Dube Backup Telephone : (301) 614-6536 Backup E-Mail : Maurice.Dube@nasa.gov Internet Address : cddis.gsfc.nasa.gov Telnet Access : None FTP Access : Anonymous ftp Other Access Methods : Web Access Restrictions : Computer/Operating System : Amount of data on line : Since 1992 Access to off-line data : N/A Other Important Information: http://cddis.gsfc.nasa.gov/ ------------------------------------------------------------------------------- DIRECTORY STRUCTURE ------------------------------------------------------------------------------- Directory Filenames Description ------------------------------------------------------------------------------- /pub/gps: Data and product disk /gps/data/daily/yyyy/ddd yyddd.status daily summary file for day 'ddd' and year 'yy' /gps/data/daily/yyyy/ddd/yyo ssssddd0.yyo.Z compressed daily RINEX obs files for stations 'ssss', day 'ddd', year 'yy' /gps/data/daily/yyyy/ddd/yyd ssssddd0.yyd.Z compressed compact daily RINEX obs files for stations 'ssss', day 'ddd', year 'yy' /gps/data/daily/yyyy/ddd/yyn ssssddd0.yyn.Z compressed daily RINEX nav files for stations 'ssss', day 'ddd', year 'yy' brdcddd0.yyn.Z global compressed RINEX nav file /gps/data/daily/yyyy/ddd/yym ssssddd0.yym.Z compressed daily RINEX met files for stations 'ssss', day 'ddd', year 'yy' /gps/data/daily/yyyy/ddd/yys ssssddd0.yys.Z compressed daily summary files for stations 'ssss', day 'ddd', year 'yy' generated from obs files /gps/data/daily/yyyy/brdc brdcddd0.yyn.Z historic daily global compressed RINEX nav files /gps/data/highrate/yyddd/yyt/hh ssssdddhmm.yyt.Z compressed RINEX high-rate, 15- minute files for station 'ssss', day 'ddd', year 'yy', hour 'h' (a-x), minute mm (00, 15, 30, 45), and file type t (n or d, defined as above) in subdirectories by file type and hour 'hh' (00-23) /gps/data/hourly/yyyy/ddd/hh ssssdddh.yyt.Z compressed hourly RINEX data files for station 'ssss', day 'ddd', year 'yy', hour 'h' (a-x), and file type t (n or d, defined as above) in subdirectories by hour 'hh' (00-23) /gps/data/satellite/satname/yyyy/ddd ssssddd0.yyt.Z compressed RINEX files for satname satellite receiver data day 'ddd', year 'yy', file type t (n or d,defined as above) /gps/data/l2ctest/daily/yyyy/ddd ssssddd0.yyt.Z compressed daily L2C RINEX data files for station 'ssss', day 'ddd', year 'yy', hour 'h' (a-x), and file type t (n or d, defined as above) /gps/data/l2ctest/hourly/yyyy/ddd ssssdddh.yyt.Z compressed hourly L2C RINEX data files for station 'ssss', day 'ddd', year 'yy', and file type t (n or d, defined as above) /gps/data/swrxtest/rinex#/daily/yyyy/ddd ssssddd0.yyt.Z compressed daily software receiver RINEX data V# (2 or 3) files for station 'ssss',day 'ddd', year 'yy', hour 'h' (a-x), and file type t (n or d, defined as above) /gps/data/campaign/campname compressed RINEX files for campaign campname /gps/products/ igs95p02.erp.Z accumulated IGS ERP estimates since 1995 /gps/products/ igs96p02.erp.Z accumulated IGS ERP estimates since 1996 (rapid solution) /gps/products/ igu00p01.erp.Z accumulated IGS ERP estimates since 2000 (ultra solution) /gps/products/ igs00p02.erp.Z accumulated IGS ERP estimates from SINEX weekly combinations since 2000 (pre-IGS05) /gps/products/ igs00p03.erp.Z accumulated IGS ERP estimates from SINEX weekly combinations since 2000 (IGS05) /gps/products/ ig108p01.erp.Z accumulated IGS ERP estimates from SINEX weekly combinations since 2000 (repro1 product) /gps/products/wwww cccwwwwd.sp3.Z orbits produced by center 'ccc' for GPS week 'wwww' and day 'd' in SP3 format. 'd'=7: Full week. Historically, some SP3 files are SP1 (e.g., GFZ until week 0721) or called EPH. cccwwwwd.sp1.Z same in SP1 format cccwwwwd.erp.Z Earth Rotation Parameter file produced by center 'ccc' for GPS week 'wwww' and day 'd' cccwwwwd.clk.Z station clock file produced by center 'ccc' for GPS week 'wwww' and day 'd' cccwwwwd.snx.Z compressed station solution produced by center 'ccc' for GPS week 'wwww' and day 'd' in SINEX format cccwwwwd.ssc.Z compressed short SINEX station solution produced by center 'ccc' for GPS week 'wwww' and day 'd' cccwwwwd.sum.Z summary file produced by center 'ccc' for GPS week 'wwww' and day 'd' igrwwwwd.typ.Z IGS rapid product produced by IGS ACC for GPS week 'wwww' and day 'd', type typ (sp3, cls, clk, erp, sum) iguwwwwd_hh.typ.Z IGS ultra-rapid product produced by IGS ACC for GPS week 'wwww', day 'd', and hour hh (00 and 12) type typ (sp3, erp, sum) /gps/products/repro1/wwww/ IGS reprocessing campaign 1 solutions for week ÔwwwwÕ (see above for file descriptions) /gps/products/wwww/trop sssswwww.zpd.Z zenith path delays for GPS week 'wwww' and site 'ssss' (initial product) /gps/products/troposphere/old sssswwww.zpd.Z zenith path delays for GPS week 'wwww' and site 'ssss' (initial product) /gps/products/troposphere/new/yyyy/ddd ssssddd0.yyzpd.gz zenith path delays for year 'yyyy', day ÔdddÕ, and site 'ssss' (new product) /gps/products/troposphere/cmp/yyyy/ TROPddd0.yycmp.gz troposphere product comparison (combination with AC solutions) for year 'yyyy', day ÔdddÕ, and site 'ssss' (new product) /gps/products/troposphere/sta/yyyy/ TROPssss.yycmp.gz troposphere product station report for year 'yyyy', day ÔdddÕ, and site 'ssss' /gps/products/troposphere/sub/wwww/ cccwwwwd.tro.Z troposphere product produced by IGS AC ÔcccÕ for week ÔwwwwÕ, and day ÔdÕ /gps/products/ionex/yyyy/ddd cccgddd#.yyi.Z Ionospheric electron content files in IONEX format produced by center 'ccc' for day 'ddd' and year 'yy', 'g' denotes global map, # is 0 (non- interpolated file) or 1 (interpolated file) igsgddd#.yyi.Z Combined ionospheric electron content files in IONEX format producted for day 'ddd' and year 'yy', 'g' denotes global map, # is 0 (non- interpolated file) or 1 (interpolated file) cccrddd#.yyi.Z Ionospheric electron content files in IONEX format produced by center 'ccc' for day 'ddd' and year 'yy', 'g' denotes global map, # is 0 (non- interpolated file) or 1 (interpolated file) (rapid product) igsgddd#.yyi.Z Combined ionospheric electron content files in IONEX format producted for day 'ddd' and year 'yy', 'g' denotes global map, # is 0 (non- interpolated file) or 1 (interpolated file) (rapid product) /gps/products/ionex/yyyy/ddd/topex ckmgddd0.yyi.Z Klobuchar model from CODE for IONEX validation gpsgddd0.yyi.Z GPS broadcast ionosphere model from AIUB for IONEX validation jpltpx_yymmdd.dat.Z TOPEX ionosphere measurements from JPL used for IONEX validation /gps/products/ionex/yyyy/ddd/valid upcwwwww.yyv.Z UPC ionosphere validation for IONEX combination /gps/igsmail igsmess.nnnn IGSMAIL number 'nnnn' (current year) igsmess.index Index file for IGSMAILs igsmess_yyyy.index Index file for IGSMAILs for year 'yyyy' /gps/igsmail/yyyy igsmess.nnnn IGSMAIL number 'nnnn' /gps/igsreport igsreport.nnnn IGSREPORT number 'nnnn' igsreport.index Index file for IGSREPORTs igsreport_yyyy.index Index file for IGSREPORTs for year 'yyyy' /gps/igsreport/yyyy igsreport.nnnn IGSREPORT no 'nnnn' /gps/igsstation igsstation.nnnn IGSSTATION number 'nnnn' igsstation.index Index file for IGSSTATIONs igsstation_yyyy.index Index file for IGSSTATIONs for year 'yyyy' /gps/igsstation/yyyy igsreport.nnnn IGSSTATION no 'nnnn' Updated: 26-Feb-2009 -------------------------------------------------------------------------------