***ITRF2014*** HAML HAMILTON (HAML), MONTANA Retrieved from NGS DataBase on 06/16/20 at 12:06:11. _____________________________________________________________________________ | | | Antenna Reference Point(ARP): HAML HAMILTON CORS ARP | | ---------------------------------------------------- | | PID = DR3047 | | | | | | ITRF2014 POSITION (EPOCH 2010.0) | | Computed in Sep 2019 using 147 days of data. | | X = -1811368.595 m latitude = 46 11 42.82176 N | | Y = -4035572.711 m longitude = 114 10 22.61466 W | | Z = 4581092.418 m ellipsoid height = 1104.665 m | | | | ITRF2014 VELOCITY | | Predicted with HTDP_3.2.7 Sep 2019. | | VX = -0.0152 m/yr northward = -0.0087 m/yr | | VY = 0.0000 m/yr eastward = -0.0139 m/yr | | VZ = -0.0061 m/yr upward = -0.0001 m/yr | | | | | | NAD_83 (2011) POSITION (EPOCH 2010.0) | | Transformed from ITRF2014 (epoch 2010.0) position in Sep 2019. | | X = -1811367.794 m latitude = 46 11 42.80313 N | | Y = -4035573.931 m longitude = 114 10 22.55733 W | | Z = 4581092.406 m ellipsoid height = 1105.200 m | | | | NAD_83 (2011) VELOCITY | | Transformed from ITRF2014 velocity in Sep 2019. | | VX = 0.0035 m/yr northward = 0.0016 m/yr | | VY = 0.0007 m/yr eastward = 0.0029 m/yr | | VZ = 0.0001 m/yr upward = -0.0014 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: HAML HAMILTON CORS L1PC | | ---------------------------------------------------------------------- | | The Zephyr 4-point feed antenna - Stealth Gr antenna | | (Antenna Code = TRM41249.00 NONE) was installed on 07Jun2016. | | The L2 phase center is 0.002 m above the L1 phase center. | | PID = DR3048 | | | | | | ITRF2014 POSITION (EPOCH 2010.0) | | Computed in Sep 2019 using 147 days of data. | | X = -1811368.610 m latitude = 46 11 42.82177 N | | Y = -4035572.746 m longitude = 114 10 22.61464 W | | Z = 4581092.459 m ellipsoid height = 1104.721 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 Sep 2019. | | X = -1811367.810 m latitude = 46 11 42.80314 N | | Y = -4035573.966 m longitude = 114 10 22.55731 W | | Z = 4581092.446 m ellipsoid height = 1105.256 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/haml.log.txt http://geodesy.noaa.gov/cgi-cors/corsage_2.prl?site=haml