METSAHOVI 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 : METSAHOVI Site DOMES number : 10503 Host agency : FINNISH GEODETIC INSTITUTE City : Masala State or province : Country : FINLAND Tectonic plate : Geological information : Geographical coordinates (ITRF) : North Latitude : 60 deg 14' 31'' East Longitude : 24 deg 23' 4'' Ellipsoid height : 63 m Approximate altitude : 40 m 2. DORIS antenna and reference point information 2.1 Four character ID : META Antenna model : Alcatel Antenna serial number : 53 IERS DOMES number : 10503S013 CNES/IGN number : 105031 CTDP number : 6 Date installed (dd/mm/yy): 21/06/1988 Date removed (dd/mm/yy) : 25/10/2000 Antenna support type : Guyed 3 metre tower Installed on : Concrete block Height above ground mark : 3.062 m Ground mark type : FGI mark fixed on the base plate. Ground mark DOMES number : 10503M004 Notes : 2.2 Four character ID : METB Antenna model : Starec 52291 type Antenna serial number : 68 IERS DOMES number : 10503S015 CNES/IGN number : 105032 CTDP number : 97 Date installed (dd/mm/yy): 26/10/2000 Date removed (dd/mm/yy) : Antenna support type : 2.5 m rigid tower Installed on : 2 m concrete pillar (1.6 m underground) Height above ground mark : 2.909 m Ground mark type : FGI geodetic mark, fixed in the concrete pillar Ground mark DOMES number : 10503M006 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 86 33 044 Beacon model : 1.0 USO serial number : 1.399 4 Char. ID of the REF point : META Date installed (dd/mm/yy) : 01/07/1988 Date removed (dd/mm/yy) : 01/09/1988 3.2 Beacon serial number : 86 27 005 Beacon model : 1.0 USO serial number : 1.276 4 Char. ID of the REF point : META Date installed (dd/mm/yy) : 01/10/1988 Date removed (dd/mm/yy) : 09/08/1994 3.3 Beacon serial number : 86 33 028 Beacon model : 1.0 USO serial number : 1.511 4 Char. ID of the REF point : META Date installed (dd/mm/yy) : 15/08/1994 Date removed (dd/mm/yy) : 25/10/2000 3.4 Beacon serial number : 86 33 028 Beacon model : 1.0 USO serial number : 1.511 4 Char. ID of the REF point : METB Date installed (dd/mm/yy) : 26/10/2000 Date removed (dd/mm/yy) : 15/08/2003 3.5 Beacon serial number : 28 19 036 Beacon model : 3.0 USO serial number : 3.298 4 Char. ID of the REF point : METB Date installed (dd/mm/yy) : 18/08/2003 Date removed (dd/mm/yy) : 01/01/2004 3.6 Beacon serial number : 28 19 040 Beacon model : 3.0 USO serial number : 3.295 4 Char. ID of the REF point : METB Date installed (dd/mm/yy) : 10/01/2004 Date removed (dd/mm/yy) : 28/01/2005 3.7 Beacon serial number : 28 19 048 Beacon model : 3.0 USO serial number : 3.400 4 Char. ID of the REF point : METB Date installed (dd/mm/yy) : 17/02/2005 Date removed (dd/mm/yy) : 18/05/2005 3.8 Beacon serial number : 28 19 057 Beacon model : 3.0 USO serial number : 3.326 4 Char. ID of the REF point : METB Date installed (dd/mm/yy) : 18/05/2005 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (METB) Solution : ITRF2000 (connection to the VLBI mark) Epoch : 1997.0 X = 2890644.229 m Y = 1310311.741 m Z = 5513962.870 m Sig X = 0.003 m Sig Y = 0.003 m Sig Z = 0.004 m VX = -0.0160 m/y VY = 0.0149 m/y VZ = 0.0088 m/y Sig VX = 0.0003 m/y Sig VY = 0.0002 m/y Sig VZ = 0.0006 m/y 5. IERS colocation information 5.1 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 10503S011 Notes : 5.2 Instrument type : SLR Status : Permanent DOMES number of the instrument ref. point : 10503S001 Notes : 5.3 Instrument type : VLBI Status : Mobile DOMES number of the instrument ref. point : 10503M002 Notes : 6. Tide Gauge colocation information 7. Local site ties 7.1 Point description : DORIS Alcatel antenna reference point (META) DOMES number : 10503S013 Differential components from the current DORIS ref. point (METB) to the above point (in the ITRS) : dX (m) : -3.098 dY (m) : -1.179 dZ (m) : 2.077 Accuracy (m) : 0.001 Date measured : October 2000 Additional information : Sur vey by IGN-F and FGI 7.2 Point description : FGI mark under the DORIS Starec antenna METB DOMES number : 10503M006 Differential components from the current DORIS ref. point (METB) to the above point (in the ITRS) : dX (m) : -1.317 dY (m) : -0.598 dZ (m) : -2.525 Accuracy (m) : 0.001 Date measured : October 2000 Additional information : Sur vey by IGN-F and FGI 7.3 Point description : VLBI Mark CDP 7601 DOMES number : 10503M002 Differential components from the current DORIS ref. point (METB) to the above point (in the ITRS) : dX (m) : 8.511 dY (m) : -16.407 dZ (m) : -4.150 Accuracy (m) : 0.001 Date measured : October 2000 Additional information : Sur vey by IGN-F and FGI 7.4 Point description : IGS station : GPS antenna reference point (METS) DOMES number : 10503S011 Differential components from the current DORIS ref. point (METB) to the above point (in the ITRS) : dX (m) : 1926.689 dY (m) : 1531.594 dZ (m) : -1328.814 Accuracy (m) : 0.005 Date measured : Oct. 2000, 1993 Additional information : Survey by IGN-F and FGI 8. Meteorological Instrumentation 8.1 Humidity sensor Model : MUC13 + transmitter M-UTN3 Manufacturer : SPSI Accuracy : Notes : 8.2 Pressure sensor Model : TP/FQ/02 Manufacturer : ORION Accuracy : Height : -1.81 m above the current DORIS ref. point (METB) 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