PURPLE MOUNTAIN DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 6/05/2004 Report type : UPDATE 1. Site location information Site name : PURPLE MOUNTAIN Site DOMES number : 21604 Host agency : PURPLE MOUNTAIN OBSERVATORY City : Nanjing State or province : Country : CHINA Tectonic plate : EURA Geological information : Geographical coordinates (ITRF) : North Latitude : 32 deg 4' 2'' East Longitude : 118 deg 49' 29'' Ellipsoid height : 264 m Approximate altitude : 2. DORIS antenna and reference point information 2.1 Four character ID : PURA Antenna model : Alcatel Antenna serial number : 28 IERS DOMES number : 21604S003 CNES/IGN number : 216041 CTDP number : 29 Date installed (dd/mm/yy): 12/05/1988 Date removed (dd/mm/yy) : Antenna support type : Guyed 3 metre tower Installed on : Terrace roof of an observation tower of the : observatory. Height above ground mark : 3.19 m Ground mark type : Brass mark 12 mm diameter Ground mark DOMES number : 21604M002 Notes : 3. DORIS beacons information 3.1 Beacon serial number : 86 27 014 Beacon model : 1.0 USO serial number : 1.356 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 01/05/1989 Date removed (dd/mm/yy) : 01/11/1989 3.2 Beacon serial number : 86 33 045 Beacon model : 1.0 USO serial number : 1.643 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 01/11/1989 Date removed (dd/mm/yy) : 26/02/1992 3.3 Beacon serial number : 86 33 029 Beacon model : 1.0 USO serial number : 1.561 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 28/02/1992 Date removed (dd/mm/yy) : 26/08/1992 3.4 Beacon serial number : 86 33 052 Beacon model : 1.0 USO serial number : 1.654 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 26/08/1992 Date removed (dd/mm/yy) : 20/11/1993 3.5 Beacon serial number : 86 33 046 Beacon model : 1.0 USO serial number : 1.400 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 02/12/1993 Date removed (dd/mm/yy) : 15/02/1995 3.6 Beacon serial number : 86 33 041 Beacon model : 1.0 USO serial number : 1.536 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 13/03/1995 Date removed (dd/mm/yy) : 15/10/1999 3.7 Beacon serial number : 86 33 029 Beacon model : 1.0 USO serial number : 2.692 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 06/12/1999 Date removed (dd/mm/yy) : 05/09/2001 3.8 Beacon serial number : 86 27 013 Beacon model : 1.0 USO serial number : 1.261 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 28/02/2002 Date removed (dd/mm/yy) : 30/09/2003 3.9 Beacon serial number : 86 33 036 Beacon model : 1.0 USO serial number : 1.361 4 Char. ID of the REF point : PURA Date installed (dd/mm/yy) : 01/11/2003 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (PURA) Solution : ITRF2000 Epoch : 1997.0 X = -2608502.045 m Y = 4739980.356 m Z = 3366883.078 m Sig X = 0.009 m Sig Y = 0.008 m Sig Z = 0.006 m VX = -0.0305 m/y VY = -0.0012 m/y VZ = -0.0075 m/y Sig VX = 0.0047 m/y Sig VY = 0.0040 m/y Sig VZ = 0.0031 m/y 5. IERS colocation information 6. Tide Gauge colocation information 7. Local site ties 7.1 Point description : Brass Mark under the DORIS antenna DOMES number : 21604M002 Differential components from the current DORIS ref. point (PURA) to the above point (in the ITRS) : dX (m) : 1.350 dY (m) : -2.309 dZ (m) : -1.741 Accuracy (m) : 0.01 Date measured : Additional information : 7.2 Point description : MEDOC 1 Brass Mark DOMES number : Differential components from the current DORIS ref. point (PURA) to the above point (in the ITRS) : dX (m) : 44.296 dY (m) : 91.331 dZ (m) : -77.839 Accuracy (m) : 0.01 Date measured : Additional information : 7.3 Point description : MEDOC 2 Brass Mark DOMES number : Differential components from the current DORIS ref. point (PURA) to the above point (in the ITRS) : dX (m) : -274.565 dY (m) : -154.666 dZ (m) : -12.190 Accuracy (m) : 0.01 Date measured : Additional information : 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 : -2.0 m above the current DORIS ref. point (PURA) 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