***ITRF2014*** GGAO SOUTH DEEP D (GODS), MARYLAND Retrieved from NGS DataBase on 12/13/21 at 23:25:33. _____________________________________________________________________________ | | | Antenna Reference Point(ARP): GGAO SOUTH DEEP D CORS ARP | | -------------------------------------------------------- | | PID = DR7485 | | | | | | ITRF2014 POSITION (EPOCH 2010.0) | | Use IGS21P46_all.ssc Dec 2021. | | X = 1130752.341 m latitude = 39 01 13.86263 N | | Y = -4831349.123 m longitude = 076 49 38.36014 W | | Z = 3994098.937 m ellipsoid height = 19.098 m | | | | ITRF2014 VELOCITY | | Use IGS21P46_all.ssc Dec 2021. | | VX = -0.0156 m/yr northward = 0.0049 m/yr | | VY = 0.0014 m/yr eastward = -0.0149 m/yr | | VZ = 0.0023 m/yr upward = -0.0024 m/yr | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from ITRF2014 (epoch 2010.0) position in Dec 2021. | | X = 1130753.099 m latitude = 39 01 13.83237 N | | Y = -4831350.575 m longitude = 076 49 38.34323 W | | Z = 3994099.021 m ellipsoid height = 20.385 m | | | | NAD_83 (2011) VELOCITY | | Transformed from ITRF2014 velocity in Dec 2021. | | VX = 0.0010 m/yr northward = -0.0000 m/yr | | VY = 0.0027 m/yr eastward = 0.0016 m/yr | | VZ = -0.0020 m/yr upward = -0.0031 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: GGAO SOUTH DEEP D CORS L1PC | | -------------------------------------------------------------------------- | | The External GPS L1/L2/L5, GLO L1/L2, GAL E1 antenna | | (Antenna Code = JAVRINGANT_DM SCIS) was installed on 03Sep2020. | | The L2 phase center is 0.030 m above the L1 phase center. | | PID = DR7486 | | | | | | ITRF2014 POSITION (EPOCH 2010.0) | | Use IGS21P46_all.ssc Dec 2021. | | X = 1130752.357 m latitude = 39 01 13.86264 N | | Y = -4831349.187 m longitude = 076 49 38.36011 W | | Z = 3994098.991 m ellipsoid height = 19.184 m | | | | The ITRF2014 VELOCITY of the L1 PC is the same as that for the ARP. | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from ITRF2014 (epoch 2010.0) position in Dec 2021. | | X = 1130753.114 m latitude = 39 01 13.83239 N | | Y = -4831350.639 m longitude = 076 49 38.34320 W | | Z = 3994099.076 m ellipsoid height = 20.470 m | | | | The NAD_83 (2011) VELOCITY of the L1 PC is the same as that for the ARP. | |_____________________________________________________________________________| | | | Monument: GGAO SOUTH DEEP D GRP | | ------------------------------- | | PID = DR7487 | | Inscribed: UNKNOWN | | | | | | ITRF2014 POSITION (EPOCH 2010.0) | | Use IGS21P46_all.ssc Dec 2021. | | X = 1130752.339 m latitude = 39 01 13.86263 N | | Y = -4831349.117 m longitude = 076 49 38.36014 W | | Z = 3994098.931 m ellipsoid height = 19.090 m | | | | The ITRF2014 VELOCITY of the monument is the same as that for the ARP. | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from ITRF2014 (epoch 2010.0) position in Dec 2021. | | X = 1130753.097 m latitude = 39 01 13.83237 N | | Y = -4831350.569 m longitude = 076 49 38.34323 W | | Z = 3994099.016 m ellipsoid height = 20.376 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/gods.log.txt http://geodesy.noaa.gov/cgi-cors/corsage_2.prl?site=gods