KERGUELEN DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 26/07/2007 Report type : UPDATE 1. Site location information Site name : KERGUELEN Site DOMES number : 91201 Host agency : Laboratoire de Geophysique City : Ile Kerguelen State or province : T.A.A.F. Country : FRANCE (Kerguelen Island) Tectonic plate : Antarctica Geological information : Geographical coordinates (ITRF) : North Latitude : -49 deg 21' 6'' East Longitude : 70 deg 15' 20'' Ellipsoid height : 74 m Approximate altitude : 34 m 2. DORIS antenna and reference point information 2.1 Four character ID : KERA Antenna model : Alcatel Antenna serial number : 14 IERS DOMES number : 91201S002 CNES/IGN number : 912011 CTDP number : 9 Date installed (dd/mm/yy): 28/01/1987 Date removed (dd/mm/yy) : 21/11/1994 Antenna support type : Guyed 2 metre tower Installed on : Concrete block Height above ground mark : 2.218 m Ground mark type : Axis of the tube, upper face of the base plate of : the tower Ground mark DOMES number : 91201 Notes : 2.2 Four character ID : KERB Antenna model : Starec 52290 type Antenna serial number : 23 IERS DOMES number : 91201S003 CNES/IGN number : 912012 CTDP number : 64 Date installed (dd/mm/yy): 22/11/1994 Date removed (dd/mm/yy) : 01/04/2001 Antenna support type : Guyed 2 metre tower Installed on : Concrete block Height above ground mark : 2.440 m Ground mark type : Axis of the tube, upper face of the base plate of : the tower Ground mark DOMES number : 91201 Notes : 2.3 Four character ID : KESB Antenna model : Starec 52291 type Antenna serial number : 66 IERS DOMES number : 91201S004 CNES/IGN number : 912013 CTDP number : 216 Date installed (dd/mm/yy): 04/04/2001 Date removed (dd/mm/yy) : 10/04/2007 Antenna support type : forced centering device (two triangular plates) : screwed on a 16 mm diameter bolt Installed on : 30 cm diameter, 1.2 m high concrete pillar Height above ground mark : 0.490 m Ground mark type : Axis and top of the bolt Ground mark DOMES number : 91201M006 Notes : Starec 52290 type antenna number 23 removed on : 11/10/2003 2.4 Four character ID : KETB Antenna model : Starec 52291 type Antenna serial number : 120 IERS DOMES number : 91201M00 CNES/IGN number : 912013 CTDP number : 277 Date installed (dd/mm/yy): 11/04/2007 Date removed (dd/mm/yy) : Antenna support type : triangular plate on a stainless steel tripod : screwed on a 16 mm diameter bolt Installed on : 30 cm diameter, 1.2 m high concrete pillar Height above ground mark : 0.808 m Ground mark type : Axis and top of the bolt Ground mark DOMES number : 91201M006 Notes : New support allowing the removal of the N-type : bent cable connectors 3. DORIS beacons information 3.1 Beacon serial number : 8627009 Beacon model : 1.0 USO serial number : 1.415 4 Char. ID of the REF point : KERA Date installed (dd/mm/yy) : 01/03/1987 Date removed (dd/mm/yy) : 18/12/1991 3.2 Beacon serial number : 8633050 Beacon model : 1.0 USO serial number : 1.535 4 Char. ID of the REF point : KERA Date installed (dd/mm/yy) : 01/11/1991 Date removed (dd/mm/yy) : 21/11/1994 3.3 Beacon serial number : 8633050 Beacon model : 1.0 USO serial number : 1.535 4 Char. ID of the REF point : KERB Date installed (dd/mm/yy) : 21/11/1994 Date removed (dd/mm/yy) : 20/11/1996 3.4 Beacon serial number : 8627014 Beacon model : 1.0 USO serial number : 1.277 4 Char. ID of the REF point : KERB Date installed (dd/mm/yy) : 30/01/1997 Date removed (dd/mm/yy) : 03/04/2001 3.5 Beacon serial number : 8627014 Beacon model : 1.0 USO serial number : 1.277 4 Char. ID of the REF point : KESB Date installed (dd/mm/yy) : 03/04/2001 Date removed (dd/mm/yy) : 12/11/2003 3.6 Beacon serial number : 2819034 Beacon model : 3.0 USO serial number : 3.270 4 Char. ID of the REF point : KESB Date installed (dd/mm/yy) : 13/11/2003 Date removed (dd/mm/yy) : 18/08/2005 3.7 Beacon serial number : 2819051 Beacon model : 3.0 USO serial number : 3.262 4 Char. ID of the REF point : KESB Date installed (dd/mm/yy) : 01/09/2005 Date removed (dd/mm/yy) : 10/04/2007 3.8 Beacon serial number : 2819051 Beacon model : 3.0 USO serial number : 3.262 4 Char. ID of the REF point : KETB Date installed (dd/mm/yy) : 11/04/2007 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (KETB) Solution : ITRF2000 (connection to KESB) Epoch : 1997.0 X = 1406334.638 m Y = 3918142.533 m Z = -4816185.296 m Sig X = 0.001 m Sig Y = 0.002 m Sig Z = 0.003 m VX = -0.0053 m/y VY = 0.0028 m/y VZ = -0.0058 m/y Sig VX = 0.0005 m/y Sig VY = 0.0007 m/y Sig VZ = 0.0008 m/y 5. IERS co-location information 5.1 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 91201M002 Notes : 6. Tide gauge co-location information 6.1 Name : Kerguelen Is. Location : Kerguelen Is. GLOSS number : 23 Distance : 3.3 km Notes : Tie measured 04/2001 7. Local site ties 7.1 Point description : ex-PRARE Pillar: top of the bolt (now DORIS 2 mark) DOMES number : 91201M006 Differential components from the current DORIS ref. point (KETB) to the above point (in the ITRS) : dX (m) : -0.177 dY (m) : -0.498 dZ (m) : 0.611 Accuracy (m) : 0.001 Date measured : April 2001 & 2007 Additional information : Survey by IGN-F 7.2 Point description : Tide gauge: NIVMER pillar: top of threaded mark DOMES number : 91201M004 Differential components from the current DORIS ref. point (KETB) to the above point (in the ITRS) : dX (m) : 2547.102 dY (m) : -977.760 dZ (m) : -14.296 Accuracy (m) : 0.005 Date measured : April 2001 & 2007 Additional information : Survey by IGN-F 7.3 Point description : Domed brass mark (IGS station KERG) DOMES number : 91201M002 Differential components from the current DORIS ref. point (KETB) to the above point (in the ITRS) : dX (m) : 2.698 dY (m) : 18.568 dZ (m) : 17.941 Accuracy (m) : 0.001 Date measured : April 2001 & 2007 Additional information : Survey by IGN-F 7.4 Point description : DORIS Starec antenna reference point (KERB) DOMES number : 91201S003 Differential components from the current DORIS ref. point (KETB) to the above point (in the ITRS) : dX (m) : -508.226 dY (m) : 139.288 dZ (m) : -18.993 Accuracy (m) : 0.001 Date measured : April 2001 & 2007 Additional information : Survey by IGN-F 7.5 Point description : DORIS Starec antenna reference point (KESB) DOMES number : 91201S004 Differential components from the current DORIS ref. point (KETB) to the above point (in the ITRS) : dX (m) : -0.069 dY (m) : -0.197 dZ (m) : 0.240 Accuracy (m) : 0.001 Date measured : April 2007 Additional information : 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 : 0.9 m below the current DORIS ref. point (KETB) 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/PO/AL) : 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