***IGS 08*** HUDSON FALLS 5 (HDF5), NEW YORK Created on 31Aug2011 at 09:55:53. _____________________________________________________________________________ | | | Antenna Reference Point(ARP): HUDSON FALLS 5 CORS ARP | | ----------------------------------------------------- | | PID = DK6550 | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Computed in Aug 2011 using data through gpswk 1631. | | X = 1318026.989 m latitude = 43 16 14.97608 N | | Y = -4460766.748 m longitude = 073 32 20.83465 W | | Z = 4349486.540 m ellipsoid height = 41.853 m | | | | IGS08 VELOCITY | | Computed in Aug 2011 using data through gpswk 1631. | | VX = -0.0144 m/yr northward = 0.0007 m/yr | | VY = -0.0038 m/yr eastward = -0.0149 m/yr | | VZ = 0.0005 m/yr upward = 0.0000 m/yr | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from IGS08 (epoch 2005.0) position in Aug 2011. | | X = 1318027.694 m latitude = 43 16 14.94190 N | | Y = -4460768.185 m longitude = 073 32 20.82274 W | | Z = 4349486.577 m ellipsoid height = 43.027 m | | | | NAD_83 (2011) VELOCITY | | Transformed from IGS08 velocity in Aug 2011. | | VX = 0.0033 m/yr northward = -0.0055 m/yr | | VY = -0.0022 m/yr eastward = 0.0025 m/yr | | VZ = -0.0047 m/yr upward = -0.0010 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: HUDSON FALLS 5 CORS L1 PC C | | ----------------------------------------------------------------------- | | The Zephyr Geodetic L1/L2 +RD w/ USCG mount antenna | | (Antenna Code = TRM41249USCG SCIT) was installed on 02May2008. | | The L2 phase center is 0.002 m below the L1 phase center. | | PID = DK6551 | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Computed in Aug 2011 using data through gpswk 1631. | | X = 1318027.001 m latitude = 43 16 14.97599 N | | Y = -4460766.795 m longitude = 073 32 20.83475 W | | Z = 4349486.582 m ellipsoid height = 41.916 m | | | | The IGS08 VELOCITY of the L1 PC is the same as that for the ARP. | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from IGS08 (epoch 2005.0) position in Aug 2011. | | X = 1318027.705 m latitude = 43 16 14.94181 N | | Y = -4460768.232 m longitude = 073 32 20.82284 W | | Z = 4349486.618 m ellipsoid height = 43.090 m | | | | The NAD_83 (2011) VELOCITY of the L1 PC 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/hdf5.log.txt http://geodesy.noaa.gov/cgi-cors/corsage_2.prl?site=hdf5 * The position & velocity were revised in Aug 2011.