GALAPAGOS DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 6/05/2004 Report type : UPDATE 1. Site location information Site name : GALAPAGOS Site DOMES number : 42004 Host agency : Instituto Oceanografico de la Armada (INOCAR) City : Puerto Baquerizo Moreno State or province : Isla San Cristobal, Galapagos Country : ECUADOR Tectonic plate : NAZC Geological information : Geographical coordinates (ITRF) : North Latitude : -0 deg 54' 3'' East Longitude : -89 deg 36' 58'' Ellipsoid height : 5 m Approximate altitude : 10 m 2. DORIS antenna and reference point information 2.1 Four character ID : GALA Antenna model : Alcatel Antenna serial number : 27 IERS DOMES number : 42004S001 CNES/IGN number : 420041 CTDP number : 5 Date installed (dd/mm/yy): 10/06/1991 Date removed (dd/mm/yy) : Antenna support type : Guyed 3 metre tower Installed on : The terrace roof of a one storied building. Height above ground mark : 3.216 m Ground mark type : Brass mark 12 mm diameter. Ground mark DOMES number : 42004M002 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 86 25 004 Beacon model : 1.0 USO serial number : 1.261 4 Char. ID of the REF point : GALA Date installed (dd/mm/yy) : 01/06/1991 Date removed (dd/mm/yy) : 20/05/1995 3.2 Beacon serial number : 86 33 046 Beacon model : 1.0 USO serial number : 1.400 4 Char. ID of the REF point : GALA Date installed (dd/mm/yy) : 27/04/1995 Date removed (dd/mm/yy) : 06/06/1995 3.3 Beacon serial number : 86 27 007 Beacon model : 1.0 USO serial number : 1.474 4 Char. ID of the REF point : GALA Date installed (dd/mm/yy) : 30/09/1995 Date removed (dd/mm/yy) : 08/05/2000 3.4 Beacon serial number : 99 04 126 Beacon model : 2.0 USO serial number : 3.186 4 Char. ID of the REF point : GALA Date installed (dd/mm/yy) : 29/01/2001 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (GALA) Solution : ITRF2000 Epoch : 1997.0 X = 42716.691 m Y = -6377216.468 m Z = -99590.655 m Sig X = 0.012 m Sig Y = 0.008 m Sig Z = 0.005 m VX = 0.0492 m/y VY = 0.0016 m/y VZ = 0.0088 m/y Sig VX = 0.0064 m/y Sig VY = 0.0043 m/y Sig VZ = 0.0029 m/y 5. IERS colocation information 6. Tide Gauge colocation information 6.1 Name : Baltra Location : Baltra, Galapagos GLOSS number : 169 Distance : 90 km Notes : 7. Local site ties 7.1 Point description : Brass mark under DORIS antenna DOMES number : 42004M002 Differential components from the current DORIS ref. point (GALA) to the above point (in the ITRS) : dX (m) : -0.022 dY (m) : 3.216 dZ (m) : 0.050 Accuracy (m) : 0.01 Date measured : Additional information : 7.2 Point description : Mark GEO STA 42013 DOMES number : Differential components from the current DORIS ref. point (GALA) to the above point (in the ITRS) : dX (m) : -37.008 dY (m) : 4.935 dZ (m) : 24.725 Accuracy (m) : 0.01 Date measured : Additional information : 7.3 Point description : GPS Inocar Mark on roof (Epoch 92) DOMES number : 42004M001 Differential components from the current DORIS ref. point (GALA) to the above point (in the ITRS) : dX (m) : 17.968 dY (m) : 2.746 dZ (m) : 9.736 Accuracy (m) : 0.01 Date measured : Additional information : 8. Meteorological Instrumentation 8.1 Humidity sensor Model : MUC.1 + transmitter M-UTN3 Manufacturer : SPSI Accuracy : Notes : 8.2 Pressure sensor Model : TP/FQ/02 Manufacturer : ORION Accuracy : Height : -1.8 m above the current DORIS ref. point (GALA) Notes : 8.3 Temperature sensor Model : Constructed for DORIS beacons Manufacturer : CEIS-TM Accuracy : 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 (ED/AL/MA) : 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