MOUNT STROMLO DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 08/01/2026 Report type : UPDATE 1. Site location information Site name : MOUNT STROMLO Site DOMES number : 50119 Host agency : Geoscience Australia City : Canberra State or province : ACT Country : AUSTRALIA Tectonic plate : AUST Geological information : Geographical coordinates (ITRF) : North Latitude : -35 deg 18' 58'' East Longitude : 149 deg 0' 36'' Ellipsoid height : 804 m Approximate altitude : 785 m 2. DORIS antenna and reference point information 2.1 Four character ID : MSOB Antenna model : Starec 52290 type Antenna serial number : 27 IERS DOMES number : 50119S002 CNES/IGN number : 501191 DORIS SSALTO number : 81 Date installed (dd/mm/yy): 20/10/1998 Date removed (dd/mm/yy) : 18/01/2003 Antenna support type : 3 metre cylindrical steel pole Installed on : Concrete floor of the SLR building Height above ground mark : 0.625 m Ground mark type : Top centre of 5/8" Whitworth bolt fixed on the top of the mast Ground mark DOMES number : 50119M003 Notes : 2.2 Four character ID : MSPB Antenna model : Starec 52291 type Antenna serial number : 109 IERS DOMES number : 50119S004 CNES/IGN number : 501192 DORIS SSALTO number : 235 Date installed (dd/mm/yy): 07/01/2004 Date removed (dd/mm/yy) : Antenna support type : Excentric mount designed by Geosciences Australia Installed on : 40 cm diameter , 5.5 m high steel pole Height above ground mark : 0.706 m Ground mark type : Intersection of plate surface and 5/8" spigot Ground mark DOMES number : 50119M004 Notes : (antenna not centered on mark) 3. DORIS beacons information 3.1 Beacon serial number : 9539024 Beacon model : 2.0 USO serial number : 2.1062 4 Char. ID of the REF point : MSOB Date installed (dd/mm/yy) : 20/10/1998 Date removed (dd/mm/yy) : 07/04/1999 3.2 Beacon serial number : 9845110 Beacon model : 2.0 USO serial number : 2.865 4 Char. ID of the REF point : MSOB Date installed (dd/mm/yy) : 08/04/1999 Date removed (dd/mm/yy) : 17/08/2000 3.3 Beacon serial number : 9845102 Beacon model : 2.0 USO serial number : 3.126 4 Char. ID of the REF point : MSOB Date installed (dd/mm/yy) : 18/08/2000 Date removed (dd/mm/yy) : 18/01/2003 3.4 Beacon serial number : 2819005 Beacon model : 3.0 USO serial number : 3.244 4 Char. ID of the REF point : MSPB Date installed (dd/mm/yy) : 19/01/2004 Date removed (dd/mm/yy) : 08/08/2006 3.5 Beacon serial number : 2819061 Beacon model : 3.0 USO serial number : 3.200 4 Char. ID of the REF point : MSPB Date installed (dd/mm/yy) : 27/09/2006 Date removed (dd/mm/yy) : 12/05/2010 3.6 Beacon serial number : 2819038 Beacon model : 3.0 USO serial number : 3.327 4 Char. ID of the REF point : MSPB Date installed (dd/mm/yy) : 12/05/2010 Date removed (dd/mm/yy) : 13/08/2020 3.7 Beacon serial number : 19104022I Beacon model : 4.0 USO serial number : 4.P0007 4 Char. ID of the REF point : MSPB Date installed (dd/mm/yy) : 14/08/2020 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (MSPB) Solution : dpod2020_050 Epoch : 2000.0 X = -4467071.111 m Y = 2683028.299 m Z = -3667004.362 m Sig X = 0.001 m Sig Y = 0.001 m Sig Z = 0.001 m VX = -0.03580 m/y VY = 0.00030 m/y VZ = 0.04565 m/y Sig VX = 0.00005 m/y Sig VY = 0.00006 m/y Sig VZ = 0.00004 m/y 5. IERS colocation information 5.1 Instrument type : GNSS Status : Permanent DOMES number of the instrument ref. point : 50119M002 Notes : IGS station "STR1" 5.2 Instrument type : SLR Status : Permanent DOMES number of the instrument ref. point : 50119S003 Notes : CDP 7825 6. Tide Gauge colocation information 7. Local site ties 7.1 Point description : IGS station (STR1) DOMES number : 50119M002 Differential components from the current DORIS ref. point (MSPB) to the above point (in the ITRS) : dX (m) : -31.367 dY (m) : 11.182 dZ (m) : 54.697 Accuracy (m) : 0.001 Date measured : 05/06/2014 Additional information : Survey by Geoscience Australia 7.2 Point description : ILRS station (CDP 7825) DOMES number : 50119S003 Differential components from the current DORIS ref. point (MSPB) to the above point (in the ITRS) : dX (m) : 6.684 dY (m) : 6.596 dZ (m) : -3.412 Accuracy (m) : 0.001 Date measured : 05/06/2014 Additional information : Survey by Geoscience Australia 7.3 Point description : DORIS mark : intersection of plate and spigot DOMES number : 50119M004 Differential components from the current DORIS ref. point (MSPB) to the above point (in the ITRS) : dX (m) : 0.244 dY (m) : -0.224 dZ (m) : 0.624 Accuracy (m) : 0.001 Date measured : 05/06/2014 Additional information : Survey by Geoscience Australia 7.4 Point description : DORIS antenna reference point (MSOB) DOMES number : 50119S002 Differential components from the current DORIS ref. point (MSPB) to the above point (in the ITRS) : dX (m) : 2.891 dY (m) : 1.802 dZ (m) : 0.519 Accuracy (m) : 0.001 Date measured : 01/01/2004 Additional information : Survey by Geoscience Australia 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 (MSPB) 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