DIONYSOS DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 21/02/2025 Report type : UPDATE 1. Site location information Site name : DIONYSOS Site DOMES number : 12602 Host agency : National Technical University of Athens City : Dionysos State or province : Attica Country : GREECE Tectonic plate : EURA Geological information : Geographical coordinates (ITRF) : North Latitude : 38 deg 4' 42'' East Longitude : 23 deg 55' 58'' Ellipsoid height : 512 m Approximate altitude : 473 m 2. DORIS antenna and reference point information 2.1 Four character ID : DIOA Antenna model : Alcatel Antenna serial number : 47 IERS DOMES number : 12602S011 CNES/IGN number : 126021 DORIS SSALTO number : 47 Date installed (dd/mm/yy): 15/02/1989 Date removed (dd/mm/yy) : 16/05/2006 Antenna support type : Guyed 2 metre tower Installed on : Top of a load-bearing wall of a 1 storied building. Height above ground mark : 2.195 m Ground mark type : Brass mark 12 mm diameter Ground mark DOMES number : 12602M003 Notes : 2.2 Four character ID : DIOB Antenna model : Starec 52291 type Antenna serial number : 129 IERS DOMES number : 12602S012 CNES/IGN number : 126022 DORIS SSALTO number : 271 Date installed (dd/mm/yy): 17/05/2006 Date removed (dd/mm/yy) : Antenna support type : 30 cm sided very rigid metal tower, 1 m high Installed on : Top of a load-bearing wall of a 1 storied building, 4 m high above the ground Height above ground mark : 1.435 m Ground mark type : Domed brass screw Ground mark DOMES number : 12602M005 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 8633047 Beacon model : 1.0 USO serial number : 1.483 4 Char. ID of the REF point : DIOA Date installed (dd/mm/yy) : 01/03/1989 Date removed (dd/mm/yy) : 06/04/1997 3.2 Beacon serial number : 8627012 Beacon model : 1.0 USO serial number : 1.480 4 Char. ID of the REF point : DIOA Date installed (dd/mm/yy) : 20/10/1997 Date removed (dd/mm/yy) : 26/03/1998 3.3 Beacon serial number : 8633051 Beacon model : 1.0 USO serial number : 1.365 4 Char. ID of the REF point : DIOA Date installed (dd/mm/yy) : 03/04/1998 Date removed (dd/mm/yy) : 16/05/2006 3.4 Beacon serial number : 2819020 Beacon model : 3.0 USO serial number : 3.299 4 Char. ID of the REF point : DIOB Date installed (dd/mm/yy) : 17/05/2006 Date removed (dd/mm/yy) : 24/10/2018 3.5 Beacon serial number : 3690081 Beacon model : 3.0 USO serial number : 3.545 4 Char. ID of the REF point : DIOB Date installed (dd/mm/yy) : 25/10/2018 Date removed (dd/mm/yy) : 05/03/2021 3.6 Beacon serial number : 20094030I Beacon model : 4.0 USO serial number : 4.P0029 4 Char. ID of the REF point : DIOB Date installed (dd/mm/yy) : 06/03/2021 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (DIOB) Solution : dpod2020_030 Epoch : 2000.0 X = 4595212.446 m Y = 2039473.641 m Z = 3912617.950 m Sig X = 0.001 m Sig Y = 0.001 m Sig Z = 0.001 m VX = 0.00389 m/y VY = 0.01029 m/y VZ = -0.00954 m/y Sig VX = m/y Sig VY = m/y Sig VZ = m/y 5. IERS colocation information 5.1 Instrument type : SLR Status : Mobile DOMES number of the instrument ref. point : 12602M002 Notes : 5.2 Instrument type : GNSS Status : Permanent DOMES number of the instrument ref. point : 12602M006 Notes : Permanent GNSS station REGINA (DYNG) 6. Tide Gauge colocation information 7. Local site ties 7.1 Point description : DORIS Alcatel antenna reference point (DIOA) DOMES number : 12602S011 Differential components from the current DORIS ref. point (DIOB) to the above point (in the ITRS) : dX (m) : 2.783 dY (m) : 1.776 dZ (m) : -2.911 Accuracy (m) : 0.001 Date measured : 01/05/2006 Additional information : Survey by IGN-F and NTUA 7.2 Point description : Mark SLR standard Wegener disk CDP 7515A DOMES number : 12602M002 Differential components from the current DORIS ref. point (DIOB) to the above point (in the ITRS) : dX (m) : 4.002 dY (m) : -38.193 dZ (m) : 11.493 Accuracy (m) : 0.001 Date measured : 23/10/2018 Additional information : Survey by IGN-F 2018 7.3 Point description : Mark under DORIS antenna (DIOB) DOMES number : 12602M005 Differential components from the current DORIS ref. point (DIOB) to the above point (in the ITRS) : dX (m) : -1.033 dY (m) : -0.458 dZ (m) : -0.885 Accuracy (m) : 0.001 Date measured : 23/10/2018 Additional information : Survey by IGN-F 2018 7.4 Point description : Station REGINA (DYNG): brass mark DOMES number : 12602M006 Differential components from the current DORIS ref. point (DIOB) to the above point (in the ITRS) : dX (m) : 7.519 dY (m) : -36.661 dZ (m) : 8.151 Accuracy (m) : 0.001 Date measured : 23/10/2018 Additional information : Survey by IGN-F 2018 8. Meteorological Instrumentation 8.1 Humidity sensor Model : AM2315 Manufacturer : AOSONG Accuracy : +/- 2 percents Notes : 8.2 Pressure sensor Model : BMP280 Manufacturer : Bosch Accuracy : +/- 0.12 hPa, equiv. to +/- 1 m Height : m below the current DORIS ref. point (MAMC) Notes : Long term stability +/- 1 hPa per year 8.3 Temperature sensor Model : AM2315 Manufacturer : AOSONG Accuracy : +/- 0.1 deg C Notes : 9. DORIS network contacts Primary contact: Name : Jerome SAUNIER Agency : IGN Institut Geographique National Mailing address : Service de Geodesie et de Metrologie : 73 avenue de Paris : 94165 SAINT-MANDE Cedex FRANCE Telephone : + 33 1 43 98 83 63 Fax : E-mail : jerome (.) saunier (@) ign.fr Secondary contact: Name : Vincent GARCIA Agency : CNES Centre National d'Etudes Spatiales Mailing address : CNES (DNO/TSA/IS) : 18 Avenue Edouard Belin : 31401 TOULOUSE Cedex FRANCE Telephone : + 33 5 61 27 37 75 Fax : E-mail : vincent (.) garcia (@) cnes.fr