GALAPAGOS DORIS site description form

0. Form

   Prepared by       : SIMB (DORIS installation and maintenance department)
   Date prepared     : 13/07/2005
   Report type       : UPDATE

1. Site location information

   Site name               : GALAPAGOS
   Site DOMES number       : 42004
   Host agency             : Instituto Oceanografico de la Armada (INOCAR)
   City                    : Puerto Baquerizo Moreno
   State or province       : Isla San Cristobal, Galapagos
   Country                 : ECUADOR
   Tectonic plate          : 
   Geological information  : 
                             
   Geographical coordinates (ITRF) : 
          North Latitude   :   -0 deg 54'  3''
          East Longitude   :  -89 deg 36' 58''
          Ellipsoid height :    5 m
   Approximate altitude    :   10 m

2. DORIS antenna and reference point information

2.1
   Four character ID        : GALA
   Antenna model            : Alcatel
   Antenna serial number    : 27
   IERS DOMES number        : 42004S001
   CNES/IGN number          : 420041
   CTDP number              : 5
   Date installed (dd/mm/yy): 10/06/1991
   Date removed (dd/mm/yy)  : 
   Antenna support type     : Guyed 3 metre tower
   Installed on             : The terrace roof of a one storied building.
   Height above ground mark : 3.216 m
   Ground mark type         : Brass mark 12 mm diameter.
   Ground mark DOMES number : 42004M002
   Notes                    : 


3. DORIS beacons information

3.1
   Beacon serial number        : 86 25 004
   Beacon model                : 1.0
   USO serial number           : 1.261
   4 Char. ID of the REF point : GALA
   Date installed (dd/mm/yy)   : 01/06/1991
   Date removed (dd/mm/yy)     : 20/05/1995

3.2
   Beacon serial number        : 86 33 046
   Beacon model                : 1.0
   USO serial number           : 1.400
   4 Char. ID of the REF point : GALA
   Date installed (dd/mm/yy)   : 27/04/1995
   Date removed (dd/mm/yy)     : 06/06/1995

3.3
   Beacon serial number        : 86 27 007
   Beacon model                : 1.0
   USO serial number           : 1.474
   4 Char. ID of the REF point : GALA
   Date installed (dd/mm/yy)   : 30/09/1995
   Date removed (dd/mm/yy)     : 08/05/2000

3.4
   Beacon serial number        : 99 04 126
   Beacon model                : 2.0
   USO serial number           : 3.186
   4 Char. ID of the REF point : GALA
   Date installed (dd/mm/yy)   : 29/01/2001
   Date removed (dd/mm/yy)     : 


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

   Solution : ITRF2000
   Epoch    : 1997.0

   X = 42716.691 m     Y = -6377216.468 m     Z = -99590.655 m
   Sig X = 0.012 m         Sig Y = 0.008 m         Sig Z = 0.005 m

   VX = 0.0492 m/y        VY = 0.0016 m/y        VZ = 0.0088 m/y
   Sig VX = 0.0064 m/y     Sig VY = 0.0043 m/y     Sig VZ = 0.0029 m/y

5. IERS colocation information

6. Tide Gauge colocation information

6.1
   Name         : Baltra
   Location     : Baltra, Galapagos
   GLOSS number : 169
   Distance     : 90 km
   Notes        : 

7. Local site ties

7.1
   Point description      : Brass mark under DORIS antenna
   DOMES number           : 42004M002

   Differential components from the current DORIS ref. point (GALA)
   to the above point (in the ITRS) :
                   dX (m) : -0.022
                   dY (m) : 3.216
                   dZ (m) : 0.050
   Accuracy (m)           : 0.01
   Date measured          : 
   Additional information : 

7.2
   Point description      : Mark GEO STA  42013
   DOMES number           : 

   Differential components from the current DORIS ref. point (GALA)
   to the above point (in the ITRS) :
                   dX (m) : -37.008
                   dY (m) : 4.935
                   dZ (m) : 24.725
   Accuracy (m)           : 0.01
   Date measured          : 
   Additional information : 

7.3
   Point description      : GPS Inocar Mark on roof (Epoch 92)
   DOMES number           : 42004M001

   Differential components from the current DORIS ref. point (GALA)
   to the above point (in the ITRS) :
                   dX (m) : 17.968
                   dY (m) : 2.746
                   dZ (m) : 9.736
   Accuracy (m)           : 0.01
   Date measured          : 
   Additional information : 

8. Meteorological Instrumentation

8.1 Humidity sensor
   Model           : MUC.1 + transmitter M-UTN3
   Manufacturer    : SPSI
   Accuracy        : 
   Notes           : 

8.2 Pressure sensor
   Model           : TP/FQ/02
   Manufacturer    : ORION
   Accuracy        : 
   Height          : -1.8 m above the current DORIS ref. point (GALA)
   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