***IGS 08*** FORTALEZA 2005 (BRFT), UNIDENTIFIED STATE OF BRAZIL Retrieved from NGS DataBase on 10/09/12 at 14:32:14. _____________________________________________________________________________ | | | Antenna Reference Point(ARP): FORTALEZA 2005 CORS ARP | | ----------------------------------------------------- | | PID = DH8704 | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Published by the IGS in Oct 2012. | | X = 4985393.532 m latitude = 03 52 38.80834 S | | Y = -3954993.417 m longitude = 038 25 31.93407 W | | Z = -428426.704 m ellipsoid height = 21.674 m | | | | IGS08 VELOCITY | | Published by the IGS in Oct 2012. | | VX = -0.0021 m/yr northward = 0.0123 m/yr | | VY = -0.0043 m/yr eastward = -0.0047 m/yr | | VZ = 0.0124 m/yr upward = 0.0019 m/yr | | | | L1 Phase Center of the current GPS antenna: FORTALEZA 2005 CORS L1 PC C | | ----------------------------------------------------------------------- | | The D/M element, chokerings, -radome antenna | | (Antenna Code = LEIAT504 NONE) was installed on 06Sep2005. | | The L2 phase center is 0.026 m above the L1 phase center. | | PID = DH8705 | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Published by the IGS in Oct 2012. | | X = 4985393.604 m latitude = 03 52 38.80833 S | | Y = -3954993.474 m longitude = 038 25 31.93406 W | | Z = -428426.710 m ellipsoid height = 21.765 m | | | | The IGS08 VELOCITY of the L1 PC is the same as that for the ARP. | | | | Monument: FORTALEZA 41602M002 | | ----------------------------- | | PID = DH8706 | | Inscribed: UNKNOWN | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Published by the IGS in Oct 2012. | | X = 4985393.526 m latitude = 03 52 38.80834 S | | Y = -3954993.412 m longitude = 038 25 31.93407 W | | Z = -428426.704 m ellipsoid height = 21.666 m | | | | The IGS08 VELOCITY of the monument is the same as that for the ARP. | |_____________________________________________________________________________| * Latitude, longitude and ellipsoid height are computed from their corresponding cartesian coordinates using dimensions for the GRS 80 ellipsoid: semi-major axis = 6,378,137.0 meters flattening = 1/298.257222101... * WARNING: Mixing of antenna types can lead to errors of up to 10 cm. in height unless antenna-phase-center variation and antenna-phase-center offset are properly modeled. See next comment. * The coordinates shown on this page were computed using absolute antenna calibrations. CORS coordinates began using absolute antenna calibrations beginning with IGS08 and NAD 83 (2011, MA11, PA11). For additional information on the derivation of these positions and velocities and antenna calibrations consult: http://geodesy.noaa.gov/CORS/coords.shtml http://geodesy.noaa.gov/ANTCAL * For more site specific information on the equipment history and monumentation type consult: ftp://geodesy.noaa.gov/cors/station_log/brft.log.txt http://geodesy.noaa.gov/cgi-cors/corsage_2.prl?site=brft * The position & velocity were revised in Aug 2011. * The position & velocity were revised in Oct 2012.