EVEREST DORIS site description form


0. Form

    Prepared by   : SIMB (DORIS installation and maintenance department)
    Date prepared : 01/02/2012
    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         : EURA
    Geological information : 

    Geographical coordinates (ITRF) : 
        North Latitude       :    27 deg 57' 29''
        East Longitude       :    86 deg 48' 47''
        Ellipsoid height     :  4961 m
        Approximate altitude :  4993 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
    DORIS SSALTO 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        : 8633028
    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        : 8633048
    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        : 9904129
    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        : 9904115
    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        : 3690068
    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         : DPOD2008
    Epoch            : 2005.0 

    X = 313666.196 m    Y = 5633552.605 m    Z = 2974736.899 m
    Sig X = 0.003 m    Sig Y = 0.001 m    Sig Z = 0.001 m

    VX = -0.0385 m/y    VY = -0.0056 m/y    VZ = 0.0239 m/y
    Sig VX = 0.0008 m/y    Sig VY = 0.0002 m/y    Sig VZ = 0.0004 m/y


5. IERS colocation information


6. Tide Gauge colocation 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          : 25/05/1992
    Additional information : Survey by IGN-F

7.2
    Point description      : Mark Ev-K2 1991
    DOMES number           : 21501M000
    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          : 25/05/1992
    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 hPa
    Height       : 1.6 m above the current DORIS ref. point (EVEB)
    Notes        : long term stability = +/- 0.1 hPa/year

8.3 Temperature sensor
    Model        : HMP45D
    Manufacturer : VAISALA
    Accuracy     : +/- 0.5 deg C
    Notes        : 


9. DORIS network contacts

    Primary contact:

    Name            : Jerome SAUNIER
    Agency          : Institut Geographique National
    Mailing address : Service de Geodesie et de Nivellement
                    : 73 avenue de PARIS
                    : 94165 SAINT-MANDE CEDEX    FRANCE
    Telephone       : + 33 1 43 98 83 63
    Fax             : + 33 1 43 98 84 50
    E-mail          : jerome (.) saunier (@) 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