***ITRF 00*** MTS WOBURN COOP (WMTS), MASSACHUSETTS Revised coordinate: OCTOBER 1, 2005 _____________________________________________________________________________ | | | Antenna Reference Point(ARP): MTS WOBURN COOP CORS ARP | | ------------------------------------------------------ | | PID = AJ4072 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed in March 2006 using 79 days of data. | | X = 1521430.995 m latitude = 42 29 00.98031 N | | Y = -4458448.174 m longitude = 071 09 28.65287 W | | Z = 4285377.687 m ellipsoid height = 8.606 m | | | | ITRF00 VELOCITY | | Predicted with HTDP version 2.8 Mar 2006 | | VX = -0.0173 m/yr northward = 0.0059 m/yr | | VY = -0.0019 m/yr eastward = -0.0170 m/yr | | VZ = 0.0045 m/yr upward = 0.0002 m/yr | | | | | | NAD_83 (CORS96) POSITION (EPOCH 2002.0) | | Transformed from ITRF00 (epoch 1997.0) position in Mar 2006. | | X = 1521431.544 m latitude = 42 29 00.94901 N | | Y = -4458449.625 m longitude = 071 09 28.65061 W | | Z = 4285377.798 m ellipsoid height = 9.825 m | | | | NAD_83 (CORS96) VELOCITY | | Transformed from ITRF00 velocity in Mar 2006. | | VX = -0.0000 m/yr northward = 0.0000 m/yr | | VY = -0.0000 m/yr eastward = 0.0000 m/yr | | VZ = 0.0000 m/yr upward = 0.0000 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: MTS WOBURN COOP CORS L1 PC C | | ------------------------------------------------------------------------ | | The L1/L2 antenna | | (Antenna Code = LEIAX1202) was installed on 09/30/05. | | The L2 phase center is 0.007 m below the L1 phase center. | | PID = DH8980 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed in March 2006 using 79 days of data. | | X = 1521431.013 m latitude = 42 29 00.98040 N | | Y = -4458448.230 m longitude = 071 09 28.65290 W | | Z = 4285377.745 m ellipsoid height = 8.689 m | | | | The ITRF00 VELOCITY of the L1 PC is the same as that for the ARP. | | | | | | NAD_83 (CORS96) POSITION (EPOCH 2002.0) | | Transformed from ITRF00 (epoch 1997.0) position in Mar 2006. | | X = 1521431.563 m latitude = 42 29 00.94910 N | | Y = -4458449.681 m longitude = 071 09 28.65064 W | | Z = 4285377.856 m ellipsoid height = 9.908 m | | | | The NAD_83 (CORS96) 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 is properly modeled. * The ITRF00 & NAD_83 positions were revised in Mar 2006 * Effective date Oct 1, 2005 *************************************************************************** *************************************************************************** old coord ***ITRF 00*** MTS WOBURN COOP (WMTS), MASSACHUSETTS Position good through September 29, 2005 _____________________________________________________________________________ | | | Antenna Reference Point(ARP): MTS WOBURN COOP CORS ARP | | ------------------------------------------------------ | | PID = AJ4072 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed by OPUS in Sep 2003 using 10 days of data. | | X = 1521431.000 m latitude = 42 29 00.98041 N | | Y = -4458448.198 m longitude = 071 09 28.65298 W | | Z = 4285377.714 m ellipsoid height = 8.643 m | | | | ITRF00 VELOCITY | | Predicted with on-line HTDP Sep 2003. | | VX = -0.0173 m/yr northward = 0.0059 m/yr | | VY = -0.0019 m/yr eastward = -0.0170 m/yr | | VZ = 0.0045 m/yr upward = 0.0002 m/yr | | | | | | NAD_83 (CORS96) POSITION (EPOCH 2002.0) | | Computed by OPUS in Sep 2003 using 10 days of data. | | X = 1521431.550 m latitude = 42 29 00.94910 N | | Y = -4458449.650 m longitude = 071 09 28.65073 W | | Z = 4285377.825 m ellipsoid height = 9.862 m | | | | NAD_83 (CORS96) VELOCITY | | Predicted with on-line HTDP Sep 2003. | | VX = 0.0000 m/yr northward = 0.0000 m/yr | | VY = 0.0000 m/yr eastward = 0.0000 m/yr | | VZ = 0.0000 m/yr upward = 0.0000 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: MTS WOBURN COOP CORS L1 PC C | | ------------------------------------------------------------------------ | | The Aero element L1/L2, External antenna | | (Antenna Code = LEIAT502) was installed on 08/xx/03. | | The L2 phase center is 0.004 m above the L1 phase center. | | PID = DF7994 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed by OPUS in Sep 2003 using 10 days of data. | | X = 1521431.016 m latitude = 42 29 00.98042 N | | Y = -4458448.240 m longitude = 071 09 28.65290 W | | Z = 4285377.756 m ellipsoid height = 8.704 m | | | | The ITRF00 VELOCITY of the L1 PC is the same as that for the ARP. | | | | | | NAD_83 (CORS96) POSITION (EPOCH 2002.0) | | Computed by OPUS in Sep 2003 using 10 days of data. | | X = 1521431.566 m latitude = 42 29 00.94911 N | | Y = -4458449.692 m longitude = 071 09 28.65064 W | | Z = 4285377.867 m ellipsoid height = 9.924 m | | | | The NAD_83 (CORS96) 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 is properly modeled.