---------------------------------------------------------------------------- IGS DATA CENTER ---------------------------------------------------------------------------- Short Name : NOAA-NGS Institution : NOAA-National Geodetic Survey Function within IGS : Regional Data Center / Operational Center Mail Address : NOAA, N/NGS6 SSMCIII, STA 9111 1315 East-West Highway Silver Spring, MD 20910, USA Contact : Giovanni Sella Telephone : (301) 713-3198x126 Fax : (301) 713-4475 E-Mail : ngs.corscollector@noaa.gov Internet Address : cors.ngs.noaa.gov FTP Access : anonymous Access Restrictions : read only Amount of data on-line : 1994-todate Access to off-line data : by request Operating stations : ------------------------------------------------------------------------------- DIRECTORY STRUCTURE ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Directory Filename Description ------------------------------------------------------------------------------- cors/rinex/YYYY/DDD/ssss ssssDDD0.YYd.Z compr RINEX obs file of site 'ssss', day 'DDD', and year 'YY' ssssDDD0.YYo.gz compr RINEX obs file of site 'ssss', day 'DDD', and year 'YY' ssssDDD0.YYm.Z compr meteorological data file of site 'ssss', day 'DDD', and year 'YY' cors/rinex/YYYY/DDD brdcDDD0.YYn.gz A combination of nav messages from a global set of tracking stations on day 'DDD' igsWWWWD.sp3.Z IGS final orbit of gps week 'WWWW' and day of the week 'D' igsWWWWD.sp3.gz IGS final orbit of gps week 'WWWW' and day of the week 'D' igsWWWWD.sp3c.Z IGS final orbit of gps week 'WWWW' and day of the week 'D' igsWWWWD.sp3c.gz IGS final orbit of gps week 'WWWW' and day of the week 'D' igrWWWWD.sp3.Z IGS rapid orbit of gps week 'WWWW' and day of the week 'D' igrWWWWD.sp3c.gz IGS rapid orbit of gps week 'WWWW' and day of the week 'D' iguWWWWD__hh.sp3.Z IGS ultra rapid orbit of gps week 'WWWW' and day of the week 'D' for 'hh" hours iguWWWWD__hh.sp3.gz IGS ultra rapid orbit of gps week 'WWWW' and day of the week 'D' for 'hh" hours -------------------------------------------------------------------------------