RIKITEA DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 01/02/2012 Report type : NEW 1. Site location information Site name : RIKITEA Site DOMES number : 92301 Host agency : Meteo-France City : Rikitea State or province : Mangareva, Gambier Islands Country : FRANCE (Polynesia) Tectonic plate : PCFC Geological information : Geographical coordinates (ITRF) : North Latitude : -23 deg 7' 49'' East Longitude : -134 deg 57' 54'' Ellipsoid height : 82 m Approximate altitude : 92 m 2. DORIS antenna and reference point information 2.1 Four character ID : RIKB Antenna model : Starec 52291 type Antenna serial number : 118 IERS DOMES number : 92301S002 CNES/IGN number : 923011 DORIS SSALTO number : 273 Date installed (dd/mm/yy): 23/09/2006 Date removed (dd/mm/yy) : 04/06/2008 Antenna support type : 30 cm sided very rigid metal tower , 2 m high Installed on : 60 cm sided concrete block extending 2 m deep Height above ground mark : 2.428 m Ground mark type : Domed brass mark 12 mm diameter Ground mark DOMES number : 92301M001 Notes : 2.2 Four character ID : RIKB Antenna model : Starec 52291 type Antenna serial number : 118 IERS DOMES number : 92301S002 CNES/IGN number : 923011 DORIS SSALTO number : 273 Date installed (dd/mm/yy): 04/06/2008 Date removed (dd/mm/yy) : 11/03/2009 Antenna support type : 30 cm sided very rigid metal tower , 2 m high Installed on : 60 cm sided concrete block extending 2 m deep Height above ground mark : 2.428 m Ground mark type : Domed brass mark 12 mm diameter Ground mark DOMES number : 92301M001 Notes : 2 GHz offset 54 mm south, 51 mm east, 2 mm up following a car bump on the tower 2.3 Four character ID : RILB Antenna model : Starec 52291 type Antenna serial number : 139 IERS DOMES number : 92301S003 CNES/IGN number : 923012 DORIS SSALTO number : 287 Date installed (dd/mm/yy): 13/03/2009 Date removed (dd/mm/yy) : 30/07/2011 Antenna support type : 30 cm sided very rigid metal tower, 2 m high Installed on : 60 cm sided concrete block extending 2 m deep Height above ground mark : 2.431 m Ground mark type : Domed brass mark 12 mm diameter Ground mark DOMES number : 92301M001 Notes : New antenna, 15 mm south, 2 mm west of the initial RIKB position 2.4 Four character ID : RIMB Antenna model : Starec 52291 type Antenna serial number : 137 IERS DOMES number : 92301S004 CNES/IGN number : 923013 DORIS SSALTO number : 296 Date installed (dd/mm/yy): 31/07/2011 Date removed (dd/mm/yy) : Antenna support type : 30 cm sided very rigid metal tower, 2 m high Installed on : 60 cm sided concrete block extending 2 m deep Height above ground mark : 2.431 m Ground mark type : Domed brass mark 12 mm diameter Ground mark DOMES number : 92301M001 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 2819019 Beacon model : 3.0 USO serial number : 3.296 4 Char. ID of the REF point : RIKB Date installed (dd/mm/yy) : 23/09/2006 Date removed (dd/mm/yy) : 11/03/2009 3.2 Beacon serial number : 2819040 Beacon model : 3.0 USO serial number : 3.465 4 Char. ID of the REF point : RILB Date installed (dd/mm/yy) : 13/03/2009 Date removed (dd/mm/yy) : 30/07/2011 3.3 Beacon serial number : 2819060 Beacon model : 3.0 USO serial number : 3.374 4 Char. ID of the REF point : RIMB Date installed (dd/mm/yy) : 31/07/2011 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (RIMB) Solution : DPOD2008 Epoch : 2005.0 X = -4147137.488 m Y = -4152219.364 m Z = -2490024.025 m Sig X = 0.001 m Sig Y = 0.001 m Sig Z = 0.001 m VX = -0.0567 m/y VY = 0.0394 m/y VZ = 0.0287 m/y Sig VX = m/y Sig VY = m/y Sig VZ = m/y 5. IERS colocation information 6. Tide Gauge colocation information 6.1 Name : Rikitea, Gambier Location : Harbour GLOSS number : 138 Distance : 0.9 km Notes : Planned tie 7. Local site ties 7.1 Point description : Mark stamped SHOM under DORIS antenna (MGRA) DOMES number : 92301M000 Differential components from the current DORIS ref. point (RIMB) to the above point (in the ITRS) : dX (m) : -528.375 dY (m) : 39.496 dZ (m) : 1034.567 Accuracy (m) : 0.005 Date measured : 25/09/2007 Additional information : Survey by IGN-F 2007 7.2 Point description : Tide gauge brass mark stamped "N°1 1969" DOMES number : Differential components from the current DORIS ref. point (RIMB) to the above point (in the ITRS) : dX (m) : -309.957 dY (m) : -65.73 dZ (m) : 847.382 Accuracy (m) : 0.005 Date measured : 25/09/2007 Additional information : Survey by IGN-F 2007 7.3 Point description : Domed mark under the DORIS antenna (RIMB) DOMES number : 92301M001 Differential components from the current DORIS ref. point (RIMB) to the above point (in the ITRS) : dX (m) : 1.574 dY (m) : 1.579 dZ (m) : 0.968 Accuracy (m) : 0.002 Date measured : 14/03/2009 Additional information : Survey by IGN-F 2009 7.4 Point description : DORIS Starec antenna reference point (RIKB) DOMES number : 92301S002 Differential components from the current DORIS ref. point (RIMB) to the above point (in the ITRS) : dX (m) : -0.004 dY (m) : -0.001 dZ (m) : 0.014 Accuracy (m) : 0.001 Date measured : 14/03/2009 Additional information : Survey by IGN-F 2009 7.5 Point description : Permanent GNSS station managed by GSI (Japan) DOMES number : 92301S000 Differential components from the current DORIS ref. point (RIMB) to the above point (in the ITRS) : dX (m) : 11.075 dY (m) : -3.059 dZ (m) : -9.281 Accuracy (m) : 0.002 Date measured : 14/03/2009 Additional information : Survey by IGN-F 2007 & 2009 7.6 Point description : DORIS Starec antenna reference point (RILB) DOMES number : 92301S003 Differential components from the current DORIS ref. point (RIMB) to the above point (in the ITRS) : dX (m) : 0 dY (m) : 0 dZ (m) : 0 Accuracy (m) : 0.001 Date measured : 31/07/2011 Additional information : Survey by IGN-F 2011 8. Meteorological Instrumentation 8.1 Humidity sensor Model : HMP45D Manufacturer : VAISALA Accuracy : +/- 3 percents Notes : 8.2 Pressure sensor Model : PTU200 class B Manufacturer : VAISALA Accuracy : +/- 0.25 hPa Height : 1.1 m below the current DORIS ref. point (RIMB) Notes : long term stability = +/- 0.1 hPa/year 8.3 Temperature sensor Model : HMP45D Manufacturer : VAISALA Accuracy : +/- 0.5 deg C Notes : 9. DORIS network contacts Primary contact: Name : Jerome SAUNIER Agency : Institut Geographique National Mailing address : Service de Geodesie et de Nivellement : 73 avenue de PARIS : 94165 SAINT-MANDE CEDEX FRANCE Telephone : + 33 1 43 98 83 63 Fax : + 33 1 43 98 84 50 E-mail : jerome (.) saunier (@) ign.fr Secondary contact: Name : Francois BOLDO Agency : Institut Geographique National Mailing address : CNES (DCT/ME/OT) : 18 Avenue Edouard BELIN : 31401 TOULOUSE Cedex FRANCE Telephone : + 33 5 61 27 40 72 Fax : + 33 5 61 28 25 95 E-mail : Simb (.) Doris (@) cnes.fr