RIO GRANDE DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 13/07/2005 Report type : UPDATE 1. Site location information Site name : RIO GRANDE Site DOMES number : 41507 Host agency : ESTACION ASTRONOMICA RIO GRANDE City : Rio Grande State or province : Tierra del Fuego Country : ARGENTINA Tectonic plate : Geological information : Pleiostene marine terrace (fine to medium gravel) overlying Tertiary sandstones Geographical coordinates (ITRF) : North Latitude : -53 deg 47' 9'' East Longitude : -67 deg 45' 4'' Ellipsoid height : 33 m Approximate altitude : 2. DORIS antenna and reference point information 2.1 Four character ID : RIOA Antenna model : Alcatel Antenna serial number : 29 IERS DOMES number : 41507S003 CNES/IGN number : 415071 CTDP number : 17 Date installed (dd/mm/yy): 02/12/1987 Date removed (dd/mm/yy) : 20/01/1995 Antenna support type : Guyed 2 metre tower Installed on : Concrete pad Height above ground mark : 2.12 m Ground mark type : Axis and top of the tube of the base plate Ground mark DOMES number : 41507 Notes : 2.2 Four character ID : RIOB Antenna model : Starec 52290 type Antenna serial number : IERS DOMES number : 41507S004 CNES/IGN number : 415072 CTDP number : 65 Date installed (dd/mm/yy): 20/01/1995 Date removed (dd/mm/yy) : 08/01/2001 Antenna support type : Guyed 3 metre tower Installed on : Concrete block Height above ground mark : 3.425 m Ground mark type : Domed brass mark 25 mm diameter Ground mark DOMES number : 41507M002 Notes : 2.3 Four character ID : RIPB Antenna model : Starec 52291 type Antenna serial number : 61 IERS DOMES number : 41507S005 CNES/IGN number : 415073 CTDP number : 100 Date installed (dd/mm/yy): 10/01/2001 Date removed (dd/mm/yy) : Antenna support type : 60 cm diameter, 1.7 m high concrete pillar Installed on : 2 m sided, 0.5 m deep concrete footing Height above ground mark : 0.505 m Ground mark type : Domed brass mark 12 mm diameter on the top of the : pillar Ground mark DOMES number : 41507M005 Notes : pillar and footing constructed around a 17 cm : metal pipe driven 7 m deep. 3. DORIS beacons information 3.1 Beacon serial number : 86 27 017 Beacon model : 1.0 USO serial number : 1.362 4 Char. ID of the REF point : RIOA Date installed (dd/mm/yy) : 10/12/1987 Date removed (dd/mm/yy) : 17/01/1995 3.2 Beacon serial number : 86 27 017 Beacon model : 1.0 USO serial number : 1.362 4 Char. ID of the REF point : RIOB Date installed (dd/mm/yy) : 20/01/1995 Date removed (dd/mm/yy) : 08/01/2001 3.3 Beacon serial number : 86 27 017 Beacon model : 1.0 USO serial number : 1.362 4 Char. ID of the REF point : RIPB Date installed (dd/mm/yy) : 10/01/2001 Date removed (dd/mm/yy) : 28/02/2005 3.4 Beacon serial number : 28 19 037 Beacon model : 3.0 USO serial number : 3.285 4 Char. ID of the REF point : RIPB Date installed (dd/mm/yy) : 01/03/2005 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (RIPB) Solution : ITRF 2000 (connection to the IGS station RIOG) Epoch : 1997.0 X = 1429899.140 m Y = -3495323.569 m Z = -5122723.551 m Sig X = 0.002 m Sig Y = 0.003 m Sig Z = 0.004 m VX = 0.0079 m/y VY = -0.0102 m/y VZ = 0.0028 m/y Sig VX = 0.0007 m/y Sig VY = 0.0009 m/y Sig VZ = 0.0011 m/y 5. IERS colocation information 5.1 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 41507M004 Notes : 6. Tide Gauge colocation information 6.1 Name : Ushuaia Location : Ushuaia GLOSS number : 181 Distance : 120 km Notes : Tie measured 01/1995 7. Local site ties 7.1 Point description : DORIS 2 Starec antenna reference point (RIOB) DOMES number : 41507S004 Differential components from the current DORIS ref. point (RIPB) to the above point (in the ITRS) : dX (m) : -44.975 dY (m) : -18.748 dZ (m) : -1.607 Accuracy (m) : 0.002 Date measured : January 1995 Additional information : Survey by IGN-F 7.2 Point description : DORIS 3 mark on concrete pillar DOMES number : 41507M005 Differential components from the current DORIS ref. point (RIPB) to the above point (in the ITRS) : dX (m) : -0.113 dY (m) : 0.276 dZ (m) : 0.407 Accuracy (m) : 0.001 Date measured : January 2001 Additional information : Survey by IGN-F 7.3 Point description : PILAR 1 (SCAR 95) (IGEX station RIOZ) DOMES number : 41507M003 Differential components from the current DORIS ref. point (RIPB) to the above point (in the ITRS) : dX (m) : -16.116 dY (m) : -39.716 dZ (m) : 24.819 Accuracy (m) : 0.002 Date measured : January 1995 Additional information : Survey by IGN-F 7.4 Point description : Domed brass mark on a concrete pillar (RIOG) DOMES number : 41507M004 Differential components from the current DORIS ref. point (RIPB) to the above point (in the ITRS) : dX (m) : 8.587 dY (m) : -31.171 dZ (m) : 24.879 Accuracy (m) : 0.001 Date measured : January 2001 Additional information : Survey by IGN-F 7.5 Point description : Domed brass mark on a concrete pillar (RIOG) DOMES number : 41507S003 Differential components from the current DORIS ref. point (RIPB) to the above point (in the ITRS) : dX (m) : -49.258 dY (m) : -22.853 dZ (m) : 0.494 Accuracy (m) : 0.003 Date measured : January 1995 Additional information : Survey by IGN-F 8. Meteorological Instrumentation 8.1 Humidity sensor Model : M-UC.13 Manufacturer : SPSI Accuracy : Notes : 8.2 Pressure sensor Model : TP/FQ/02 Manufacturer : ORION Accuracy : Height : +1.3 m above the current DORIS ref. point (RIPB) 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