***ITRF 00*** KARA CO COOP (KAR1), ILLINOIS Revised coordinates and velocities: Oct 26, 2006 _____________________________________________________________________________ | | | Antenna Reference Point(ARP): KARA CO COOP CORS ARP | | --------------------------------------------------- | | PID = DE8088 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed in October 2006 using 546 days of data | | X = 177747.485 m latitude = 41 47 43.95252 N | | Y = -4758971.498 m longitude = 087 51 39.59326 W | | Z = 4228812.518 m ellipsoid height = 168.217 m | | | | ITRF00 VELOCITY | | Adjusted in Oct. 2006 using 546 days of data. | | VX = -0.0088 m/yr northward = 0.0040 m/yr | | VY = 0.0054 m/yr eastward = -0.0086 m/yr | | VZ = 0.0002 m/yr upward = -0.0041 m/yr | | | | | | NAD_83 (CORS96) POSITION (EPOCH 2002.0) | | Transformed from ITRF00 (epoch 1997.0) position in Oct. 2006. | | X = 177748.063 m latitude = 41 47 43.92516 N | | Y = -4758972.846 m longitude = 087 51 39.57042 W | | Z = 4228812.609 m ellipsoid height = 169.298 m | | | | NAD_83 (CORS96) VELOCITY | | Transformed from ITRF00 velocity in Oct. 2006. | | VX = 0.0086 m/yr northward = 0.0050 m/yr | | VY = 0.0070 m/yr eastward = 0.0089 m/yr | | VZ = 0.0008 m/yr upward = -0.0044 m/yr | |_____________________________________________________________________________| | | | L1 Phase Center of the current GPS antenna: KARA CO COOP CORS L1 PC C | | --------------------------------------------------------------------- | | The D/M element, chokerings, +radome antenna | | (Antenna Code = LEIAT504 LEIS) was installed on 08/21/02. | | The L2 phase center is 0.019 m above the L1 phase center. | | PID = DG4817 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed in October 2006 using 546 days of data | | X = 177747.489 m latitude = 41 47 43.95260 N | | Y = -4758971.576 m longitude = 087 51 39.59320 W | | Z = 4228812.590 m ellipsoid height = 168.324 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 Oct. 2006. | | X = 177748.067 m latitude = 41 47 43.92524 N | | Y = -4758972.923 m longitude = 087 51 39.57036 W | | Z = 4228812.682 m ellipsoid height = 169.405 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 and NAD_83 positions & velocities were revised in Oct. 2006 ************************************************************************** ************************************************************************** Old Coordinate ***ITRF 00*** KARA CO COOP (KAR1), ILLINOIS Retrieved from NGS DataBase on 10/26/06 at 16:09:42. _____________________________________________________________________________ | | | Antenna Reference Point(ARP): KARA CO COOP CORS ARP | | --------------------------------------------------- | | PID = DE8088 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed by OPUS on Oct 1, 2002 using 10 days of data. | | X = 177747.535 m latitude = 41 47 43.95384 N | | Y = -4758971.451 m longitude = 087 51 39.59101 W | | Z = 4228812.532 m ellipsoid height = 168.193 m | | | | ITRF00 VELOCITY | | Predicted with on-line HTDP Oct 2002. | | VX = -0.0174 m/yr northward = -0.0011 m/yr | | VY = -0.0016 m/yr eastward = -0.0174 m/yr | | VZ = -0.0006 m/yr upward = 0.0003 m/yr | | | | | | NAD_83 (CORS96) POSITION (EPOCH 2002.0) | | Computed by OPUS on Oct 1, 2002 using 10 days of data. | | X = 177748.070 m latitude = 41 47 43.92565 N | | Y = -4758972.834 m longitude = 087 51 39.57009 W | | Z = 4228812.619 m ellipsoid height = 169.296 m | | | | NAD_83 (CORS96) VELOCITY | | Predicted with on-line HTDP Oct 2002. | | 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: KARA CO COOP CORS L1 PC C | | --------------------------------------------------------------------- | | The D/M element, chokerings, +radome antenna | | (Antenna Code = LEIAT504 LEIS) was installed on 08/21/02. | | The L2 phase center is 0.019 m above the L1 phase center. | | PID = DG4817 | | | | | | ITRF00 POSITION (EPOCH 1997.0) | | Computed by OPUS on Oct 1, 2002 using 10 days of data. | | X = 177747.539 m latitude = 41 47 43.95392 N | | Y = -4758971.529 m longitude = 087 51 39.59096 W | | Z = 4228812.605 m ellipsoid height = 168.300 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 on Oct 1, 2002 using 10 days of data. | | X = 177748.074 m latitude = 41 47 43.92573 N | | Y = -4758972.912 m longitude = 087 51 39.57003 W | | Z = 4228812.692 m ellipsoid height = 169.403 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.