EVEREST 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 : EVEREST Site DOMES number : 21501 Host agency : EV-K2-CNR Committee City : Near the Everest base camp State or province : Country : NEPAL Tectonic plate (PB2002) : Eurasia Geological information : Geographical coordinates (ITRF) : North Latitude : 27 deg 57' 29'' East Longitude : 86 deg 48' 47'' Ellipsoid height : 4962 m Approximate altitude : 5050 m 2. DORIS antenna and reference point information 2.1 Four character ID : EVEB Antenna model : Starec 52290 type Antenna serial number : 17 IERS DOMES number : 21501S001 CNES/IGN number : 215011 CTDP number : 28 Date installed (dd/mm/yy): 22/05/1992 Date removed (dd/mm/yy) : Antenna support type : 0.3 metre tower Installed on : Rock Height above ground mark : 0.732 m Ground mark type : Brass plate mark Ground mark DOMES number : 21501M001 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 86 33 028 Beacon model : 1.0 USO serial number : 1.511 4 Char. ID of the REF point : EVEB Date installed (dd/mm/yy) : 22/05/1992 Date removed (dd/mm/yy) : 10/06/1993 3.2 Beacon serial number : 86 33 048 Beacon model : 1.0 USO serial number : 1.647 4 Char. ID of the REF point : EVEB Date installed (dd/mm/yy) : 10/06/1993 Date removed (dd/mm/yy) : 01/06/2003 3.3 Beacon serial number : 99 04 129 Beacon model : 2.0 USO serial number : ??? 4 Char. ID of the REF point : EVEB Date installed (dd/mm/yy) : 07/06/2003 Date removed (dd/mm/yy) : 27/09/2006 3.4 Beacon serial number : 99 04 115 Beacon model : 2.0 USO serial number : 3.119 4 Char. ID of the REF point : EVEB Date installed (dd/mm/yy) : 27/09/2006 Date removed (dd/mm/yy) : 20/10/2007 3.5 Beacon serial number : 36 90 068 Beacon model : 3.0 USO serial number : 3.504 4 Char. ID of the REF point : EVEB Date installed (dd/mm/yy) : 04/02/2008 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (EVEB) Solution : ITRF2005 Epoch : 2000.0 X = 313666.371 m Y = 5633552.644 m Z = 2974736.773 m Sig X = 0.006 m Sig Y = 0.005 m Sig Z = 0.003 m VX = -0.0344 m/y VY = -0.0077 m/y VZ = 0.0231 m/y Sig VX = .0011 m/y Sig VY = .0008 m/y Sig VZ = .0006 m/y 5. IERS co-location information 6. Tide gauge co-location information 7. Local site ties 7.1 Point description : Brass mark under DORIS antenna DOMES number : 21501M001 Differential components from the current DORIS ref. point (EVEB) to the above point (in the ITRS) : dX (m) : -0.036 dY (m) : -0.646 dZ (m) : -0.343 Accuracy (m) : 0.01 Date measured : Additional information : 7.2 Point description : Mark Ev-K2 1991 DOMES number : Differential components from the current DORIS ref. point (EVEB) to the above point (in the ITRS) : dX (m) : 5.573 dY (m) : -28.819 dZ (m) : 120.734 Accuracy (m) : 0.01 Date measured : 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 : 1.6 m above the current DORIS ref. point (EVEB) 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