HANGA ROA DORIS site description form


0. Form

    Prepared by   : SIMB (DORIS installation and maintenance department)
    Date prepared : 15/05/2023
    Report type   : NEW


1. Site location information

    Site name              : HANGA ROA
    Site DOMES number      : 41781
    Host agency            : Universidad de Chile
    City                   : Hanga Roa
    State or province      : Easter Island
    Country                : Chile
    Tectonic plate         : Nazca
    Geological information : 

    Geographical coordinates (ITRF) : 
        North Latitude       :   -27 deg  9' 37''
        East Longitude       :  -109 deg 25' 36''
        Ellipsoid height     :    47 m
        Approximate altitude :    51 m


2. DORIS antenna and reference point information

2.1
    Four character ID        : HROC
    Antenna model            : Starec C type
    Antenna serial number    : 204
    IERS DOMES number        : 41781S001
    CNES/IGN number          : 41781
    DORIS SSALTO number      : 349
    Date installed (dd/mm/yy): 13/04/2023
    Date removed (dd/mm/yy)  : 
    Antenna support type     : 2m high very rigid metal tower
    Installed on             : 60cm sided concrete block extending 1.8m deep
    Height above ground mark : 2.434 m
    Ground mark type         : Hexagonal domed brass mark
    Ground mark DOMES number : 41781M001
    Notes                    : 


3. DORIS beacons information

3.1
    Beacon serial number        : 21294068I
    Beacon model                : 4.0
    USO serial number           : 4.P0059
    4 Char. ID of the REF point : HROC
    Date installed (dd/mm/yy)   : 13/04/2023
    Date removed (dd/mm/yy)     : 


4. ITRF coordinates and velocities of the current DORIS ref. point (HROC)

    Solution         : ITRF2014
    Epoch            : 2000.0 
    Note about the coordinates : From GNSS observations (Precise Point Positioning)     

    X = -1888773.740 m    Y = -5355540.761 m    Z = -2894045.787 m
    Sig X = 0.000  m    Sig Y = 0.006  m    Sig Z = 0.001  m

    VX = 0.06383 m/y    VY = -0.01957 m/y    VZ = -0.00566 m/y
    Sig VX = m/y    Sig VY = m/y    Sig VZ = m/y


5. IERS colocation information


6. Tide Gauge colocation information


7. Local site ties

7.1
    Point description      : Mark under the DORIS antenna
    DOMES number           : 41781M001
    Differential components from the DORIS ref. point (HROC)
    to the above point (in the ITRS) :
    dX (m)                 : 0.720
    dY (m)                 : 2.042
    dZ (m)                 : 1.111
    Accuracy (m)           : 0.001
    Date measured          : 13/04/2023
    Additional information : Survey by IGN-F


8. Meteorological Instrumentation

8.1 Humidity sensor
    Model        : AM2315
    Manufacturer : AOSONG
    Accuracy     : +/- 2 percents
    Notes        : 

8.2 Pressure sensor
    Model        : BMP280
    Manufacturer : Bosch
    Accuracy     : +/- 0.12 hPa, equiv. to +/- 1 m
    Height       :  m below the current DORIS ref. point (HROC)
    Notes        : Long term stability +/- 1 hPa per year

8.3 Temperature sensor
    Model        : AM2315
    Manufacturer : AOSONG
    Accuracy     : +/- 0.1 deg C
    Notes        : 


9. DORIS network contacts

    Primary contact:

    Name            : Jerome SAUNIER
    Agency          : IGN Institut Geographique National
    Mailing address : Service de Geodesie et de Metrologie
                    : 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            : Vincent GARCIA
    Agency          : CNES Centre National d'Etudes Spatiales
    Mailing address : CNES (DNO/TSA/IS)
                    : 18 Avenue Edouard Belin
                    : 31401 TOULOUSE Cedex    FRANCE
    Telephone       : + 33 5 61 27 37 75
    Fax             :  
    E-mail          : vincent (.) garcia (@) cnes.fr