SOCORRO 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 : SOCORRO
Site DOMES number : 40503
Host agency : INEGI & Armada de Mexico
City : Isla Socorro
State or province :
Country : MEXICO
Tectonic plate (PB2002) : Pacific
Geological information :
Geographical coordinates (ITRF) :
North Latitude : 18 deg 43' 40''
East Longitude : -110 deg 57' 7''
Ellipsoid height : 17 m
Approximate altitude : 40 m
2. DORIS antenna and reference point information
2.1
Four character ID : SOCA
Antenna model : Alcatel
Antenna serial number : 70
IERS DOMES number : 40503S002
CNES/IGN number : 405031
CTDP number : 40
Date installed (dd/mm/yy): 09/06/1989
Date removed (dd/mm/yy) : 15/09/1990
Antenna support type : Guyed 2 metre tower
Installed on : Terrace roof of a 1 storied building
Height above ground mark : 3.21 m
Ground mark type : Brass mark 12 mm diameter
Ground mark DOMES number : 40503
Notes :
2.2
Four character ID : SODA
Antenna model : Alcatel
Antenna serial number : 70
IERS DOMES number : 40503S003
CNES/IGN number : 405032
CTDP number : 21
Date installed (dd/mm/yy): 08/02/1991
Date removed (dd/mm/yy) : 20/12/1997
Antenna support type : Guyed 3 metre tower
Installed on : Terrace roof of a 1 storied building
Height above ground mark : 3.199 m
Ground mark type : Brass mark 12 mm diameter
Ground mark DOMES number : 40503M002
Notes :
2.3
Four character ID : SODB
Antenna model : Starec 52290 type
Antenna serial number : 43
IERS DOMES number : 40503S004
CNES/IGN number : 405033
CTDP number : 79
Date installed (dd/mm/yy): 20/05/1998
Date removed (dd/mm/yy) :
Antenna support type : Guyed 3 metre tower
Installed on : Terrace roof of a 1 storied building
Height above ground mark : 3.462 m
Ground mark type : Brass mark 12 mm diameter
Ground mark DOMES number : 40503M002
Notes :
3. DORIS beacons information
3.1
Beacon serial number : 86 33 040
Beacon model : 1.0
USO serial number : ?
4 Char. ID of the REF point : SODA
Date installed (dd/mm/yy) : 01/06/1989
Date removed (dd/mm/yy) : 01/10/1990
3.2
Beacon serial number : 86 27 021
Beacon model : 1.0
USO serial number : 1.357
4 Char. ID of the REF point : SODA
Date installed (dd/mm/yy) : 18/02/1991
Date removed (dd/mm/yy) : 30/11/1991
3.3
Beacon serial number : 86 33 044
Beacon model : 1.0
USO serial number : 1.399
4 Char. ID of the REF point : SODA
Date installed (dd/mm/yy) : 01/12/1991
Date removed (dd/mm/yy) : 01/07/1994
3.4
Beacon serial number : 86 33 034
Beacon model : 1.0
USO serial number : 1.369
4 Char. ID of the REF point : SODA
Date installed (dd/mm/yy) : 25/07/1994
Date removed (dd/mm/yy) : 30/11/1997
3.5
Beacon serial number : 86 33 043
Beacon model : 1.0
USO serial number : 1.545
4 Char. ID of the REF point : SODB
Date installed (dd/mm/yy) : 20/05/1998
Date removed (dd/mm/yy) : 12/10/2000
3.6
Beacon serial number : 86 33 044
Beacon model : 1.0
USO serial number : 4.86899
4 Char. ID of the REF point : SODB
Date installed (dd/mm/yy) : 17/07/2001
Date removed (dd/mm/yy) :
4. ITRF coordinates and velocities of the current DORIS ref. point (SODB)
Solution : DPOD2005
Epoch : 2000.0
X = -2160725.514 m Y = -5643017.479 m Z = 2034836.961 m
Sig X = 0.001 m Sig Y = 0.001 m Sig Z = 0.001 m
VX = -0.0490 m/y VY = 0.0240 m/y VZ = 0.0213 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 : Socorro Island
Location : Socorro Island
GLOSS number : 162
Distance : 370 m
Notes : Tie measured 05/1998
7. Local site ties
7.1
Point description : Brass mark under the current DORIS antenna
DOMES number : 40503M002
Differential components from the current DORIS ref. point (SODB)
to the above point (in the ITRS) :
dX (m) : 1.173
dY (m) : 3.062
dZ (m) : -1.111
Accuracy (m) : 0.001
Date measured : May 1998
Additional information : Survey by IGN-F
7.2
Point description : DORIS Alcatel antenna reference point (SODA)
DOMES number : 40503S003
Differential components from the current DORIS ref. point (SODB)
to the above point (in the ITRS) :
dX (m) : 0.089
dY (m) : 0.233
dZ (m) : -0.084
Accuracy (m) : 0.001
Date measured : May 1998
Additional information : Survey by IGN-F
7.3
Point description : DORIS Alcatel antenna reference point (SOCA)
DOMES number : 40503S002
Differential components from the current DORIS ref. point (SODB)
to the above point (in the ITRS) :
dX (m) : -202.883
dY (m) : 30.460
dZ (m) : -148.559
Accuracy (m) : 0.03
Date measured : Feb 1991
Additional information : Survey by IGN-F
7.4
Point description : Mark NOAA/BM3 (near the tide gauge)
DOMES number : 40503M003
Differential components from the current DORIS ref. point (SODB)
to the above point (in the ITRS) :
dX (m) : 185.685
dY (m) : -135.255
dZ (m) : -290.548
Accuracy (m) : 0.01
Date measured : May 1998
Additional information : Survey by IGN-F
8. Meteorological Instrumentation
8.1 Humidity sensor
Model : MUC13 + transmitter M-UTN3
Manufacturer : SPSI
Accuracy :
Notes :
8.2 Pressure sensor
Model : M-PaTN.8
Manufacturer : SPSI
Accuracy :
Height : 1.51 m below the current DORIS ref. point (SODB)
Notes : long term stability = +/- 0.2 mb/year
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 (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
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