GAVDOS DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 01/02/2012 Report type : UPDATE 1. Site location information Site name : GAVDOS Site DOMES number : 12618 Host agency : Technical University of Crete City : CHANIA State or province : Gavdos Island Country : GREECE Tectonic plate : EURA Geological information : Geographical coordinates (ITRF) : North Latitude : 34 deg 50' 19'' East Longitude : 24 deg 6' 31'' Ellipsoid height : 124 m Approximate altitude : 109 m 2. DORIS antenna and reference point information 2.1 Four character ID : GAVB Antenna model : Starec 52291 type Antenna serial number : 115 IERS DOMES number : 12618S001 CNES/IGN number : 126181 DORIS SSALTO number : 234 Date installed (dd/mm/yy): 27/09/2003 Date removed (dd/mm/yy) : Antenna support type : 1.1 m high, 0.4 m diameter concrete pillar Installed on : limestone outcrop Height above ground mark : 0.495 m Ground mark type : Domed brass screw Ground mark DOMES number : 12618M002 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 2819033 Beacon model : 3.0 USO serial number : 3.265 4 Char. ID of the REF point : GAVB Date installed (dd/mm/yy) : 17/09/2003 Date removed (dd/mm/yy) : 30/10/2003 3.2 Beacon serial number : 2819025 Beacon model : 3.0 USO serial number : 3.340 4 Char. ID of the REF point : GAVB Date installed (dd/mm/yy) : 01/12/2003 Date removed (dd/mm/yy) : 09/05/2004 3.3 Beacon serial number : 2819031 Beacon model : 3.0 USO serial number : 3.216 4 Char. ID of the REF point : GAVB Date installed (dd/mm/yy) : 21/02/2006 Date removed (dd/mm/yy) : 23/08/2010 3.4 Beacon serial number : 2819009 Beacon model : 3.0 USO serial number : 3.335 4 Char. ID of the REF point : GAVB Date installed (dd/mm/yy) : 31/10/2010 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (GAVB) Solution : DPOD2008 Epoch : 2005.0 X = 4783636.505 m Y = 2140697.637 m Z = 3623255.286 m Sig X = 0.001 m Sig Y = 0.001 m Sig Z = 0.001 m VX = 0.0040 m/y VY = 0.0082 m/y VZ = -0.0104 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 : Karave Location : Gavdos harbour GLOSS number : Distance : 1.4 km Notes : 7. Local site ties 7.1 Point description : Concrete pillar (GPS station GVD0) DOMES number : 12618M001 Differential components from the current DORIS ref. point (GAVB) to the above point (in the ITRS) : dX (m) : -0.192 dY (m) : 14.351 dZ (m) : -9.009 Accuracy (m) : 0.001 Date measured : 01/09/2003 Additional information : Survey by IGN-F 7.2 Point description : Domed brass mark in DORIS concrete pillar DOMES number : 12618M002 Differential components from the current DORIS ref. point (GAVB) to the above point (in the ITRS) : dX (m) : -0.371 dY (m) : -0.166 dZ (m) : -0.283 Accuracy (m) : 0.001 Date measured : 01/09/2003 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 hPa Height : 0.4 m above the current DORIS ref. point (GAVB) 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