***IGS 08*** HURRICANE_AK2002 (AC75), ALASKA Retrieved from NGS DataBase on 06/20/14 at 12:19:22. _____________________________________________________________________________ | | | Antenna Reference Point(ARP): HURRICANE_AK2002 CORS ARP | | ------------------------------------------------------- | | PID = DP3850 | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Computed in Jun 2014 using 28 days of data. | | X = -2504693.505 m latitude = 62 59 57.50036 N | | Y = -1468976.709 m longitude = 149 36 31.75225 W | | Z = 5660485.288 m ellipsoid height = 608.641 m | | | | IGS08 VELOCITY | | Predicted with HTDP_3.2.3 Jun 2014. | | VX = -0.0247 m/yr northward = -0.0239 m/yr | | VY = 0.0000 m/yr eastward = -0.0125 m/yr | | VZ = -0.0108 m/yr upward = 0.0001 m/yr | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from IGS08 (epoch 2005.0) position in Jun 2014. | | X = -2504692.692 m latitude = 62 59 57.49948 N | | Y = -1468977.753 m longitude = 149 36 31.65906 W | | Z = 5660484.888 m ellipsoid height = 608.206 m | | | | NAD_83 (2011) VELOCITY | | Transformed from IGS08 velocity in Jun 2014. | | VX = -0.0025 m/yr northward = -0.0029 m/yr | | VY = 0.0008 m/yr eastward = -0.0020 m/yr | | VZ = -0.0030 m/yr upward = -0.0019 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: HURRICANE_AK2002 CORS L1 PC C | | ------------------------------------------------------------------------- | | The Trimble L1/L2 Dorne Margolin element wit antenna | | (Antenna Code = TRM29659.00 SCIT) was installed on 19Jun2007. | | The L2 phase center is 0.032 m above the L1 phase center. | | PID = DP3851 | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Computed in Jun 2014 using 28 days of data. | | X = -2504693.538 m latitude = 62 59 57.50040 N | | Y = -1468976.729 m longitude = 149 36 31.75219 W | | Z = 5660485.366 m ellipsoid height = 608.727 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 Jun 2014. | | X = -2504692.725 m latitude = 62 59 57.49952 N | | Y = -1468977.773 m longitude = 149 36 31.65900 W | | Z = 5660484.966 m ellipsoid height = 608.293 m | | | | The NAD_83 (2011) VELOCITY of the L1 PC is the same as that for the ARP. | |_____________________________________________________________________________| | | | Monument: HURRICANE_AK2002 GRP | | ------------------------------ | | PID = DP3852 | | Inscribed: UNKNOWN | | | | | | IGS08 POSITION (EPOCH 2005.0) | | Computed in Jun 2014 using 28 days of data. | | X = -2504693.502 m latitude = 62 59 57.50036 N | | Y = -1468976.707 m longitude = 149 36 31.75224 W | | Z = 5660485.281 m ellipsoid height = 608.633 m | | | | The IGS08 VELOCITY of the monument is the same as that for the ARP. | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from IGS08 (epoch 2005.0) position in Jun 2014. | | X = -2504692.689 m latitude = 62 59 57.49948 N | | Y = -1468977.751 m longitude = 149 36 31.65906 W | | Z = 5660484.881 m ellipsoid height = 608.198 m | | | | The NAD_83 (2011) 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/ac75.log.txt http://geodesy.noaa.gov/cgi-cors/corsage_2.prl?site=ac75