BJNM Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : LIANG Kun Date Prepared : 2009-02-12 Report Type : NEW If Update: Previous Site Log : (ssss_ccyymmdd.log) Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : BJNM antenna at NIM Four Character ID : BJNM Monument Inscription : NONE IERS DOMES Number : 21616M001 CDP Number : NONE Monument Description : A round hollow corner of the rack on the rooftop Height of the Monument : (m) Monument Foundation : Metal rack on the rooftop Foundation Depth : (m) Marker Description : ARP only Date Installed : 2008-10-22T02:30Z Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : Antenna is fixed in the round northeast corner : of the metal rack layed in the fixed position : on the top of Building 20# : of the experimental base at NIM 2. Site Location Information City or Town : Beijing State or Province : Beijing Country : China Tectonic Plate : Eurasia Approximate Position (ITRF) X coordinate (m) : -2154287.413 Y coordinate (m) : 4373440.047 Z coordinate (m) : 4098885.628 Latitude (N is +) : +401443.17 Longitude (E is +) : +1161326.86 Elevation (m,ellips.) : 118.6 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : SEPT POLARX3ETR Satellite System : GPS+GLO Serial Number : 2001087 Firmware Version : 2.0 Elevation Cutoff Setting : 15 Date Installed : 2010-05-04T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : NONE Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+SBAS) Serial Number : (A20, but note the first A5 is used in SINEX) Firmware Version : (A11) Elevation Cutoff Setting : (deg) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 4. GNSS Antenna Information 4.1 Antenna Type : NOV702GG NONE Serial Number : 01017577 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0.0 Marker->ARP East Ecc(m) : 0.0 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 Date Installed : 2010-08-21T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions) Serial Number : (A*, but note the first A5 is used in SINEX) Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.) Marker->ARP Up Ecc. (m) : (F8.4) Marker->ARP North Ecc(m) : (F8.4) Marker->ARP East Ecc(m) : (F8.4) Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions) Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 5. Surveyed Local Ties 5.x Tied Marker Name : Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : (m) dy (m) : (m) dz (m) : (m) Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : EXTERNAL HYDROGEN MASER Input Frequency : 10M Hz Effective Dates : 2006-06-25/CCYY-MM-DD Notes : Input signal is UTC(NIM). It is generated by an HYDROGEN MASER steered to UTC(NIM) from one fountain Cesium clock, some other masers and cesuim clocks in our atomic clock ensemble. 6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : NATIONAL TIME & FREQUENCY STANDARDS Status : PERMANENT Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : Full name is National Time & Frequency : Metrology Primary Standards 7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : HygroClip CP01 Manufacturer : Rotronic Serial Number : 10070716101 Data Sampling Interval : 600 Accuracy (% rel h) : 1.5 Aspiration : FAN Height Diff to Ant : -0.12 Calibration date : 2010-08-18 Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.1 Pressure Sensor Model : F02002-M004W-A Manufacturer : FRONTTECH Serial Number : MSP100500450N Data Sampling Interval : 600 Accuracy : 1.5 Height Diff to Ant : -0.97 Calibration date : 2010-08-18 Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.1 Temp. Sensor Model : HygroClip CP01 Manufacturer : Rotronic Serial Number : 10070716101 Data Sampling Interval : 600 Accuracy : 0.3 Aspiration : FAN Height Diff to Ant : -0.12 Calibration date : 2010-08-18 Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (deg C) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.1 Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.x Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.5.1 Other Instrumentation : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.1 Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.1 Signal Obstructions : (TREES/BUILDINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.1 Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : National Institute of Metrology Preferred Abbreviation : NIM Mailing Address : No.18, Bei San Huan Dong Lu, Chaoyang Dist, : Beijing, P.R.China, 100013 Primary Contact Contact Name : LIANG Kun Telephone (primary) : +86-10-64525207 Telephone (secondary) : +86-10-64225327 Fax : +86-10-64214828 E-mail : Liangk@nim.ac.cn Secondary Contact Contact Name : ZHANG Aimin Telephone (primary) : +86-10-64525206 Telephone (secondary) : +86-10-64214828 Fax : +86-10-64214828 E-mail : Zhangam@nim.ac.cn Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : National Institute of Metrology Preferred Abbreviation : NIM Mailing Address : No.18, Bei San Huan Dong Lu, Chaoyang Dist, : Beijing, P.R.China, 100013 Primary Contact Contact Name : LIANG Kun Telephone (primary) : +86-10-64525207 Telephone (secondary) : +86-10-64225327 Fax : +86-10-64214828 E-mail : Liangk@nim.ac.cn Secondary Contact Contact Name : ZHANG Aimin Telephone (primary) : +86-10-64525206 Telephone (secondary) : +86-10-64214828 Fax : +86-10-64214828 E-mail : Zhangam@nim.ac.cn Additional Information : (multiple lines) 13. More Information Primary Data Center : CDDIS Secondary Data Center : SIO URL for More Information : Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : (Y or URL) Additional Information : (multiple lines) Antenna Graphics with Dimensions (insert text graphic from file antenna.gra)