Network

   GAVDOS 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               : GAVDOS
   Site DOMES number       : 12618
   Host agency             : Technical University of Crete
   City                    : Theophilos
   State or province       : Gavdos Island
   Country                 : GREECE
   Tectonic plate (PB2002) : 
   Geological information  : 
                             
   Geographical coordinates (ITRF) : 
          North Latitude   :  34 deg 50' 19''
          East Longitude   :  24 deg  6' 32''
          Ellipsoid height :  125 m
   Approximate altitude    :  115 m

2. DORIS antenna and reference point information

2.1
   Four character ID        : GAVB
   Antenna model            : Starec 52291 type
   Antenna serial number    : 115
   IERS DOMES number        : 12618S001
   CNES/IGN number          : 126181
   CTDP number              : 234
   Date installed (dd/mm/yy): 27/09/2003
   Date removed (dd/mm/yy)  : 
   Antenna support type     : 1.1 m high, 0.4 m diameter concrete pillar
   Installed on             : limestone outcrop
   Height above ground mark : 0.495 m
   Ground mark type         : Domed brass screw
   Ground mark DOMES number : 12618M002
   Notes                    : 


3. DORIS beacons information

3.1
   Beacon serial number        : 28 19 033
   Beacon model                : 3.0
   USO serial number           : 3.265
   4 Char. ID of the REF point : GAVB
   Date installed (dd/mm/yy)   : 17/09/2003
   Date removed (dd/mm/yy)     : 30/10/2003

3.2
   Beacon serial number        : 28 19 025
   Beacon model                : 3.0
   USO serial number           : 3.340
   4 Char. ID of the REF point : GAVB
   Date installed (dd/mm/yy)   : 01/12/2003
   Date removed (dd/mm/yy)     : 09/05/2004

3.3
   Beacon serial number        : 28 19 031
   Beacon model                : 3.0
   USO serial number           : 3.216
   4 Char. ID of the REF point : GAVB
   Date installed (dd/mm/yy)   : 21/02/2006
   Date removed (dd/mm/yy)     : 


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

   Solution : DPOD2005 - GPS derived velocities (E.Pavlis)
   Epoch    : 2000.0

   X = 4783636.486 m     Y = 21406975.926 m     Z = 3623255.409 m
   Sig X = 0.004 m        Sig Y = 0.002 m       Sig Z = 0.003 m

   VX = 0.0079 m/y        VY = 0.0068 m/y       VZ = -0.0222 m/y
   Sig VX =  m/y    Sig VY =  m/y   Sig VZ =  m/y

5. IERS co-location information

6. Tide gauge co-location information

6.1
   Name         : Karave
   Location     : Gavdos harbour
   GLOSS number : 
   Distance     : 1.4 km
   Notes        : 

7. Local site ties

7.1
   Point description      : Concrete pillar (GPS station GVD0)
   DOMES number           : 12618M001

   Differential components from the current DORIS ref. point (GAVB)
   to the above point (in the ITRS) :
                   dX (m) : -0.192
                   dY (m) : 14.351
                   dZ (m) : -9.009
   Accuracy (m)           : 0.001
   Date measured          : September 2003
   Additional information : Survey by IGN-F

7.2
   Point description      : Domed brass mark in DORIS concrete pillar
   DOMES number           : 12618M002

   Differential components from the current DORIS ref. point (GAVB)
   to the above point (in the ITRS) :
                   dX (m) : -0.371
                   dY (m) : -0.166
                   dZ (m) : -0.283
   Accuracy (m)           : 0.001
   Date measured          : September 2003
   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 mb
   Height          : 0.4 m above the current DORIS ref. point (GAVB)
   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