AREQUIPA DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 8/04/2003 Report type : UPDATE 1. Site location information Site name : AREQUIPA Site DOMES number : 42202 Host agency : UNIVERSIDAD NACIONAL DE SAN AGUSTIN City : Arequipa State or province : Country : PERU Tectonic plate : SOAM Geological information : Geographical coordinates (ITRF) : North Latitude : -16 deg 27' 57'' East Longitude : -71 deg 29' 35'' Ellipsoid height : 2494 m Approximate altitude : 2450 m 2. DORIS antenna and reference point information 2.1 Four character ID : AREA Antenna model : Alcatel Antenna serial number : 44 IERS DOMES number : 42202S005 CNES/IGN number : 422021 CTDP number : 46 Date installed (dd/mm/yy): 16/12/1988 Date removed (dd/mm/yy) : 20/11/2001 Antenna support type : Guyed 2 metre tower Installed on : Top of a load-bearing wall of a one storied : building with terrace roof. Height above ground mark : 2.198 m Ground mark type : Brass mark 12 mm diam. Ground mark DOMES number : 42202M006 Notes : 2.2 Four character ID : AREB Antenna model : Starec 52291 type Antenna serial number : 82 IERS DOMES number : 42202S006 CNES/IGN number : 422022 CTDP number : 221 Date installed (dd/mm/yy): 21/11/2001 Date removed (dd/mm/yy) : Antenna support type : 40 cm diameter, 1.5 m high and 2m deep concrete : pillar Installed on : 2 m sided, 0.5 m thick concrete footing at 2 m : depth Height above ground mark : 0.487 m Ground mark type : Domed brass mark 12 mm diameter on pillar Ground mark DOMES number : 42202M007 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 86 33 046 Beacon model : 1.0 USO serial number : 1.400 4 Char. ID of the REF point : AREA Date installed (dd/mm/yy) : 16/12/1988 Date removed (dd/mm/yy) : 01/12/1992 3.2 Beacon serial number : 86 27 016 Beacon model : 1.0 USO serial number : 1.403 4 Char. ID of the REF point : AREA Date installed (dd/mm/yy) : 02/03/1993 Date removed (dd/mm/yy) : 20/11/2001 3.3 Beacon serial number : 86 27 016 Beacon model : 1.0 USO serial number : 1.403 4 Char. ID of the REF point : AREB Date installed (dd/mm/yy) : 21/11/2001 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (AREB) Solution : ITRF2000 (from IGS station "AREQ", JPL post-earthquake coordinates) Epoch : 1997.0 X = 1942803.276 m Y = -5804071.412 m Z = -1796922.236 m Sig X = 0.002 m Sig Y = 0.003 m Sig Z = 0.002 m VX = 0.0118 m/y VY = -0.0010 m/y VZ = 0.0137 m/y Sig VX = 0.0003 m/y Sig VY = 0.0004 m/y Sig VZ = 0.0003 m/y 5. IERS collocation information 5.1 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 42202M005 Notes : 5.2 Instrument type : SLR Status : Permanent DOMES number of the instrument ref. point : 42202S001 Notes : 6. Tide Gauge collocation information 7. Local site ties 7.1 Point description : Mark on concrete pillar, under the DORIS antenna DOMES number : 42202M007 Differential components from the current DORIS ref. point (AREB) to the above point (in the ITRS) : dX (m) : -0.148 dY (m) : 0.443 dZ (m) : 0.138 Accuracy (m) : 0.001 Date measured : Nov. 2001 Additional information : Survey by IGN-F 7.2 Point description : DORIS Alcatel antenna reference point (AREA) DOMES number : 42202S005 Differential components from the current DORIS ref. point (AREB) to the above point (in the ITRS) : dX (m) : -7.061 dY (m) : -6.369 dZ (m) : 2.771 Accuracy (m) : 0.002 Date measured : Nov. 2001 Additional information : Survey by IGN-F 7.3 Point description : GPS Mark 4021-S (IGS station AREQ) DOMES number : 42202M005 Differential components from the current DORIS ref. point (AREB) to the above point (in the ITRS) : dX (m) : 22.919 dY (m) : 1.096 dZ (m) : 27.907 Accuracy (m) : 0.001 Date measured : Nov. 2001 Additional information : Survey by IGN-F 8. Meteorological Instrumentation 8.1 Humidity sensor Model : MUC13 + transmitter M-UTN3 Manufacturer : SPSI Accuracy : Notes : 8.2 Pressure sensor Model : M-PaTN.8 Manufacturer : SPSI Accuracy : Height : +2.3 m above the current DORIS ref. point (AREB) 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