GRASSE DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 05/10/2023 Report type : UPDATE 1. Site location information Site name : GRASSE Site DOMES number : 10002 Host agency : Observatoire de la Côte d' Azur (OCA) City : Caussols State or province : Provence Country : FRANCE Tectonic plate : EURA Geological information : Geographical coordinates (ITRF) : North Latitude : 43 deg 45' 17'' East Longitude : 6 deg 55' 16'' Ellipsoid height : 1323 m Approximate altitude : 1272 m 2. DORIS antenna and reference point information 2.1 Four character ID : RRGB Antenna model : Antenna serial number : IERS DOMES number : 10002S000 CNES/IGN number : 0 DORIS SSALTO number : 117 Date installed (dd/mm/yy): 01/01/1990 Date removed (dd/mm/yy) : 28/10/1992 Antenna support type : Installed on : Height above ground mark : m Ground mark type : Ground mark DOMES number : Notes : 2.2 Four character ID : GR2B Antenna model : Antenna serial number : IERS DOMES number : 10002S016 CNES/IGN number : 100022 DORIS SSALTO number : 253 Date installed (dd/mm/yy): 29/10/1992 Date removed (dd/mm/yy) : 15/03/1997 Antenna support type : Metal quadripod Installed on : Flat roof of a one-storey building Height above ground mark : m Ground mark type : Ground mark DOMES number : Notes : 2.3 Four character ID : GR3B Antenna model : Starec 52291 type Antenna serial number : 148 IERS DOMES number : 10002S018 CNES/IGN number : 100023 DORIS SSALTO number : 285 Date installed (dd/mm/yy): 27/07/2013 Date removed (dd/mm/yy) : 27/07/2013 Antenna support type : Metal quadripod Installed on : flat roof of a one-storey building Height above ground mark : m Ground mark type : Ground mark DOMES number : Notes : 2.4 Four character ID : GR4B Antenna model : Starec 52291 type Antenna serial number : 148 IERS DOMES number : 10002S019 CNES/IGN number : 100024 DORIS SSALTO number : 339 Date installed (dd/mm/yy): 27/07/2013 Date removed (dd/mm/yy) : 14/02/2017 Antenna support type : 2m high very rigid metal tower Installed on : terrace roof of a one-storey building Height above ground mark : m Ground mark type : Ground mark DOMES number : Notes : 2.5 Four character ID : GR4B Antenna model : Starec 52291 type Antenna serial number : 148 IERS DOMES number : 10002S019 CNES/IGN number : 100024 DORIS SSALTO number : 339 Date installed (dd/mm/yy): 14/02/2017 Date removed (dd/mm/yy) : Antenna support type : 32 cm sided, 2 m high triangular steel tower Installed on : flat roof of a one-storey building Height above ground mark : m Ground mark type : Ground mark DOMES number : Notes : 3. DORIS beacons information 3.1 Beacon serial number : 2819044 Beacon model : 3.0 USO serial number : NO USO 4 Char. ID of the REF point : GR3B Date installed (dd/mm/yy) : 02/10/2008 Date removed (dd/mm/yy) : 27/07/2013 3.2 Beacon serial number : 2819044 Beacon model : 3.0 USO serial number : NO USO 4 Char. ID of the REF point : GR4B Date installed (dd/mm/yy) : 27/07/2013 Date removed (dd/mm/yy) : 09/01/2014 3.3 Beacon serial number : 3690067 Beacon model : 3.1 USO serial number : NO USO 4 Char. ID of the REF point : GR4B Date installed (dd/mm/yy) : 09/01/2014 Date removed (dd/mm/yy) : 01/04/2019 3.4 Beacon serial number : 19274013I Beacon model : 4.0 USO serial number : NO USO 4 Char. ID of the REF point : GR4B Date installed (dd/mm/yy) : 02/04/2019 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (GR4B) Solution : Epoch : 2000.0 X = 4581681.233 m Y = 556166.659 m Z = 4389370.779 m Sig X = 0.005 m Sig Y = 0.007 m Sig Z = 0.005 m VX = -0.0123 m/y VY = 0.0170 m/y VZ = 0.0132 m/y Sig VX = 0.0003 m/y Sig VY = 0.0005 m/y Sig VZ = 0.0003 m/y 5. IERS colocation information 5.1 Instrument type : VLBI Status : Mobile DOMES number of the instrument ref. point : 10002M003 Notes : 5.2 Instrument type : SLR Status : Mobile DOMES number of the instrument ref. point : 10002M004 Notes : 5.3 Instrument type : SLR Status : Permanent DOMES number of the instrument ref. point : 10002S002 Notes : Laser Meo "GRSM" 5.4 Instrument type : SLR Status : Mobile DOMES number of the instrument ref. point : 10002S017 Notes : FTLRS "GRAF3" 5.5 Instrument type : GNSS Status : Permanent DOMES number of the instrument ref. point : 10002M006 Notes : IGS station (GRAS) 5.6 Instrument type : GNSS Status : Permanent DOMES number of the instrument ref. point : 10002M010 Notes : IGS station (GRAC) 6. Tide Gauge colocation information 7. Local site ties 7.1 Point description : DORIS mark: nail centre concrete chimney cap DOMES number : 10002M011 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : -1.880 dY (m) : -0.588 dZ (m) : -0.473 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.2 Point description : DORIS Starec antenna reference point (GR2B) DOMES number : 10002S016 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : -0.816 dY (m) : -0.445 dZ (m) : 0.535 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.3 Point description : DORIS Starec antenna reference point (GR3B) DOMES number : 10002S018 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : -0.717 dY (m) : -0.432 dZ (m) : 0.631 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.4 Point description : Former mobile SLR (7846) DOMES number : 10002M004 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : 12.173 dY (m) : -32.025 dZ (m) : -16.034 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.5 Point description : Former mobile VLBI (7605) DOMES number : 10002M003 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : 16.361 dY (m) : -40.809 dZ (m) : -19.300 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.6 Point description : ILRS station (GRAF 7829) DOMES number : 10002S017 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : 11.278 dY (m) : -7.259 dZ (m) : -13.147 Accuracy (m) : 0.002 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.7 Point description : ILRS station (GRSM 7845) DOMES number : 10002S002 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : 10.892 dY (m) : 29.454 dZ (m) : -15.685 Accuracy (m) : 0.002 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.8 Point description : Permanent GNSS station IGS (GRAC) DOMES number : 10002M010 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : 27.170 dY (m) : -34.088 dZ (m) : -29.584 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 7.9 Point description : Permanent GNSS station IGS (GRAS) DOMES number : 10002M006 Differential components from the current DORIS ref. point (GR4B) to the above point (in the ITRS) : dX (m) : 9.722 dY (m) : -51.891 dZ (m) : -10.064 Accuracy (m) : 0.001 Date measured : 31/07/2013 Additional information : Survey by IGN-F 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 (KOLB) 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 : + 33 1 43 98 84 50 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