MARION ISLAND DORIS site description form

0. Form
   Prepared by       : SIMB (DORIS installation and maintenance department)
   Date prepared     : 6/05/2004
   Report type       : UPDATE

1. Site location information
   Site name               : MARION ISLAND
   Site DOMES number       : 30313
   Host agency             : Department of environmental affairs
   City                    : Marion Island
   State or province       : South Atlantic Ocean
   Country                 : SOUTH AFRICA
   Tectonic plate          : AFRC
   Geological information  : 
                             
   Geographical coordinates (ITRF) : 
          North Latitude   :  -46 deg 52' 44''
          East Longitude   :   37 deg 51' 25''
          Ellipsoid height :   92 m
   Approximate altitude    :   30 m

2. DORIS antenna and reference point information

2.1
   Four character ID        : MARA
   Antenna model            : Alcatel
   Antenna serial number    : 52
   IERS DOMES number        : 30313S001
   CNES/IGN number          : 303131
   CTDP number              : 22
   Date installed (dd/mm/yy): 15/05/1987
   Date removed (dd/mm/yy)  : 08/07/1998
   Antenna support type     : Guyed 2 metre tower
   Installed on             : Concrete pad
   Height above ground mark : 2.190 m
   Ground mark type         : Glued target
   Ground mark DOMES number : 30313M001
   Notes                    : 

2.2
   Four character ID        : MARB
   Antenna model            : Starec 52291 type
   Antenna serial number    : 51
   IERS DOMES number        : 30313S002
   CNES/IGN number          : 303132
   CTDP number              : 87
   Date installed (dd/mm/yy): 31/05/1999
   Date removed (dd/mm/yy)  : 
   Antenna support type     : Guyed 2 metre tower
   Installed on             : Concrete pad
   Height above ground mark : ? m
   Ground mark type         : Glued target
   Ground mark DOMES number : 30313M001
   Notes                    : 


3. DORIS beacons information

3.1
   Beacon serial number        : 86 27 022
   Beacon model                : 1.0
   USO serial number           : 1.353
   4 Char. ID of the REF point : MARA
   Date installed (dd/mm/yy)   : 15/05/1987
   Date removed (dd/mm/yy)     : 25/07/1994

3.2
   Beacon serial number        : 86 27 010
   Beacon model                : 1.0
   USO serial number           : 1.472
   4 Char. ID of the REF point : MARA
   Date installed (dd/mm/yy)   : 16/05/1994
   Date removed (dd/mm/yy)     : 31/05/1995

3.3
   Beacon serial number        : 86 33 045
   Beacon model                : 1.0
   USO serial number           : 1.643
   4 Char. ID of the REF point : MARA
   Date installed (dd/mm/yy)   : 27/03/1995
   Date removed (dd/mm/yy)     : 08/07/1998

3.4
   Beacon serial number        : 86 33 052
   Beacon model                : 1.0
   USO serial number           : 1.685
   4 Char. ID of the REF point : MARB
   Date installed (dd/mm/yy)   : 28/05/1999
   Date removed (dd/mm/yy)     : 15/09/1999

3.5
   Beacon serial number        : 86 33 042
   Beacon model                : 1.0
   USO serial number           : 2.1144
   4 Char. ID of the REF point : MARB
   Date installed (dd/mm/yy)   : 14/01/2000
   Date removed (dd/mm/yy)     : 18/04/2003

3.6
   Beacon serial number        : 28 19 018
   Beacon model                : 3.0
   USO serial number           : 3.282
   4 Char. ID of the REF point : MARB
   Date installed (dd/mm/yy)   : 19/04/2003
   Date removed (dd/mm/yy)     : 


4. ITRF coordinates and velocities of the current DORIS ref. point (MARB)
   Solution : ITRF2000
   Epoch    : 1997.0
   X = 3448405.755 m     Y = 2680356.388 m     Z = -4632640.596 m
   Sig X = 0.031 m         Sig Y = 0.032 m         Sig Z = 0.029 m
   VX = -0.0053 m/y        VY = 0.0027 m/y        VZ = 0.0020 m/y
   Sig VX = 0.0032 m/y     Sig VY = 0.0034 m/y     Sig VZ = 0.0029 m/y

5. IERS colocation information

6. Tide Gauge colocation information
6.1
   Name         : Marion Is.
   Location     : Marion Is.
   GLOSS number : 20
   Distance     : 1 km
   Notes        : 

7. Local site ties
7.1
   Point description      : DORIS Alcatel antenna reference point (MARA)
   DOMES number           : 30313S001
   Differential components from the current DORIS ref. point (MARB)
   to the above point (in the ITRS) :
                   dX (m) : -0.135
                   dY (m) : -0.105
                   dZ (m) : 0.182
   Accuracy (m)           : 0.05
   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           : M-PaTN.8
   Manufacturer    : SPSI
   Accuracy        : 
   Height          : -1.6 m above the current DORIS ref. point (MARB)
   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