RIKITEA DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 9/12/2008 Report type : UPDATE 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 (PB2002) : Pacific Geological information : Geographical coordinates (ITRF) : North Latitude : -23 deg 07' 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 CTDP number : 273 Date installed (dd/mm/yy): 23/09/2006 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 : 2.428 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 : 28 19 019 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) : 4. ITRF coordinates and velocities of the current DORIS ref. point (RIKB) Solution : DPOD2005 (position before June 4, 2008) Epoch : 2000.0 X = -4147137.222 m Y = -4152219.576 m Z = -2490024.165 m Sig X = 0.003 m Sig Y = 0.002 m Sig Z = 0.002 m VX = -0.0565 m/y VY = 0.0385 m/y VZ = 0.0298 m/y Sig VX = m/y Sig VY = m/y Sig VZ = m/y 5. IERS co-location information 6. Tide gauge co-location information 6.1 Name : Rikitea, Gambier Location : Harbour GLOSS number : 138 Distance : 0.8 km Notes : Planned tie 7. Local site ties 7.1 Point description : Mark under the current DORIS antenna DOMES number : 92301M001 Differential components from the current DORIS ref. point (RIKB) to the above point (in the ITRS) : dX (m) : 1.578 dY (m) : 1.580 dZ (m) : 0.954 Accuracy (m) : 0.001 Date measured : September 2006 Additional information : Survey by IGN-F 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 mb Height : 1.1 m below the current DORIS ref. point (RIKB) Notes : long term stability = +/- 0.1 mb/year 8.3 Temperature sensor Model : HMP45D Manufacturer : VAISALA Accuracy : +/- 0.5 deg C Notes : 9. DORIS network contacts Primary contact: Name : Herve FAGARD Agency : Institut Geographique National Mailing address : Service de Geodesie et de Nivellement : 2 Avenue PASTEUR : 94165 SAINT-MANDE CEDEX FRANCE Telephone : + 33 1 43 98 81 48 Fax : + 33 1 43 98 84 50 E-mail : herve (.) fagard (@) 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