RIO GRANDE 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 : 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 (PB2002) : South America 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 : 21 m 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) : 04/06/2005 Antenna support type : 55 cm diameter, 1.8 m high concrete pillar built : around a 17 cm metal pipe driven 7 m deep 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 : Antenna removed following a failure 2.4 Four character ID : RIPB Antenna model : Starec 52291 type Antenna serial number : 125 IERS DOMES number : 41507S005 CNES/IGN number : 415073 CTDP number : 100 Date installed (dd/mm/yy): 04/06/2005 Date removed (dd/mm/yy) : 15/04/2008 Antenna support type : 55 cm diameter, 1.8 m high concrete pillar built : around a 17 cm metal pipe driven 7 m deep 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 : 2 GHz PC offset: 1 mm south, 3 mm west 2.5 Four character ID : RIQB Antenna model : Starec 52291 type Antenna serial number : 125 IERS DOMES number : 41507S006 CNES/IGN number : 415074 CTDP number : 283 Date installed (dd/mm/yy): 17/04/2008 Date removed (dd/mm/yy) : Antenna support type : 45 cm high, 3-foot stainless steel support Installed on : 55 cm diameter, 1.8 m high concrete pillar built : around a 17 cm metal pipe driven 7 m deep Height above ground mark : 0.892 m Ground mark type : Domed brass mark 12 mm diameter on the top of the : pillar Ground mark DOMES number : 41507M005 Notes : 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) : 15/04/2008 3.5 Beacon serial number : 28 19 037 Beacon model : 3.0 USO serial number : 3.285 4 Char. ID of the REF point : RIQB Date installed (dd/mm/yy) : 17/04/2008 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (RIQB) Solution : ITRF2005 (tie to GPS "RIOG") Epoch : 2000.0 X = 1429899.248 m Y = -3495323.806 m Z = -5122723.846 m Sig X = 0.002 m Sig Y = 0.002 m Sig Z = 0.002 m VX = 0.0082 m/y VY = -0.0100 m/y VZ = 0.0035 m/y Sig VX = .0001 m/y Sig VY = .0001 m/y Sig VZ = .0001 m/y 5. IERS co-location information 5.1 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 41507M004 Notes : RIOG IGS station (until February 2007) 5.2 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 41507M006 Notes : RIO2 IGS station (as of March 2007) 6. Tide gauge co-location 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 Starec antenna reference point (RIPB) DOMES number : 41507S005 Differential components from the current DORIS ref. point (RIQB) to the above point (in the ITRS) : dX (m) : -0.086 dY (m) : 0.211 dZ (m) : 0.311 Accuracy (m) : 0.001 Date measured : April 2008 Additional information : Survey by IGN-F 7.2 Point description : DORIS Starec antenna reference point (RIOB) DOMES number : 41507S004 Differential components from the current DORIS ref. point (RIQB) to the above point (in the ITRS) : dX (m) : -45.061 dY (m) : -18.537 dZ (m) : -1.295 Accuracy (m) : 0.002 Date measured : January 2001 Additional information : Survey by IGN-F 7.3 Point description : DORIS Alcatel antenna reference point (RIOA) DOMES number : 41507S003 Differential components from the current DORIS ref. point (RIQB) to the above point (in the ITRS) : dX (m) : -49.344 dY (m) : -22.642 dZ (m) : 0.806 Accuracy (m) : 0.003 Date measured : January 1995 Additional information : Survey by IGN-F 7.4 Point description : DORIS 3 mark on concrete pillar DOMES number : 41507M005 Differential components from the current DORIS ref. point (RIQB) to the above point (in the ITRS) : dX (m) : -0.199 dY (m) : 0.487 dZ (m) : 0.719 Accuracy (m) : 0.001 Date measured : 2001 & 2008 Additional information : Survey by IGN-F 7.5 Point description : Domed brass mark on a concrete pillar (RIOG) DOMES number : 41507M004 Differential components from the current DORIS ref. point (RIQB) to the above point (in the ITRS) : dX (m) : 8.501 dY (m) : -30.960 dZ (m) : 25.190 Accuracy (m) : 0.001 Date measured : January 2001 Additional information : Survey by IGN-F 7.6 Point description : Domed brass mark on a concrete pillar (RIO2) DOMES number : 41507M006 Differential components from the current DORIS ref. point (RIQB) to the above point (in the ITRS) : dX (m) : 8.501 dY (m) : -30.959 dZ (m) : 25.191 Accuracy (m) : 0.001 Date measured : April 2008 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 : 0.4 m above the current DORIS ref. point (RIQB) 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