Quick Links
- Network Map
- List of Stations
- Monthly Report Card
- Quarterly Report Card
- Network Status Page
- Potsdam CPF time bias service
- Procedure for estimating laser beam divergence
- Recent Station Upgrades
- Network station application form
- Revised ILRS station screening process at ILRS Operations Centers (NASA and EDC)
BeijingA: Site Log
Instructions and Update Site Log
You can use the hyperlinks to quickly get to the section of interest or you can scroll down to read them all.
Section: 0. Form
Section: 1. Identification of the Ranging System Reference Point (SRP)
Section: 2. Site Location Information
Section: 3. General System Information
Section: 4. Telescope Information
Section: 5. Laser System Information
Section: 6. Receiver System
Section: 7. Tracking Capabilities
Section: 8. Calibration
Section: 9. Time and Frequency Standards
Section: 10. Preprocessing Information
Section: 11. Aircraft Detection
Section: 12. Meteorological Instrumentation
Section: 13. Local Ties, Eccentricities, and Collocation Information
Section: 14. Local Events Possibly Affecting Computed Position
Section: 15. On-Site, Point of Contact Agency Information
Section: 16. Responsible Agency (if different from 15.)
Section: 17. More Information
ILRS Site and System Information Form International Laser Ranging Service 0. Form Prepared by (Full Name) : Wang Tanqiang Preparer E-mail : wangtq@263.net Date Prepared : 2003-03-20 Report Type : NEW Site Log Format Version : 2.0 Site Log Revision : Back to top 1. Identification of the Ranging System Reference Point (SRP) Site Name : Beijing SLR Station for Argentina IERS DOMES Number : 21601S005 CDP Pad ID : 7357 Subnetwork : WPLTN Description : AZ EL INTERSECT Monument Description : N.A. Monument Inscription : N.A. Mark Description : N.A. Date Installed : 2002-06-30 Date Removed : Geologic Characteristic : SANDSTONES Additional Information : (Full SOD is 73578801) Back to top 2. Site Location Information City or Town : Fangshan district State or Province : Beijing Country : China Tectonic Plate : Eurasian Local Time (UTC +/- hours) : Approximate Position X coordinate [m]: -2148781.699 Y coordinate [m]: 4426678.345 Z coordinate [m]: 4044571.503 Latitude [deg]: 39.6077 N Longitude [deg]: 115.8927 E Elevation [m]: 71.9809 Survey Method : Date Measured : Additional Information : The site is about 60 kms from the : center of Beijing Back to top 3. General System Information 3.01 System Name : Beijing for Argentina 4-Character Code : BEIA CDP System Number : 88 CDP Occupation Number : 01 Eccentricity to SRP (if Not Identical With SRP) North [m]: East [m]: Up [m]: Date Measured : N.A. Date Installed : 2003-06-30 Date Removed : Additional Information : Back to top 4. Telescope Information 4.01 Receiving Telescope Type : CASSEGRAIN Aperture [m]: 0.60 Mount : AZ-EL Date Installed : Date Removed : Xmitting Telescope Type : GALILEI Aperture [m]: 0.16 Date Installed : Date Removed : Tracking Camera Type : ICCD TV Model : Manufacturer : RCA Field of View [deg]: 0.30 Minimum Magnitude [mag]: 14 Date Installed : Date Removed : Transmit/Receive Path : SEPARATE Transmit/Receive Switch : NONE Max Slew Rate Az [deg/s]: 15 Max Slew Rate El [deg/s]: 5 Max Used Tracking Rate Az : 15 Max Used Tracking Rate El : 5 Telescope Shelter : Moveable Roof Daylight Filter Type : N.A. Dayl. Filt. Bandwidth [nm]: N.A. Adjustable Attenuation : RECEIVE Adjustable Field of View : Transmit Efficiency : 0.70 Receive Efficiency : 0.70 Date Installed : 2002-11-30 Date Removed : Additional Information : Back to top 5. Laser System Information 5.01 Laser Type : ND:YAG Model : Manufacturer : Number of Amplifiers : 1 Primary Wavelength [nm]: 1064 Primary Maximum Energy [mJ]: 80 Secondary Wavelength [nm]: 532 Secondary Max. Energy [mJ]: 50 Xmit Energy Adjustable : NO Additional Information : Pulse Width (FWHM) [ps]: 30 Max. Repetition Rate [Hz]: 20 Fullw. Beam Divergence ["]: 100 Theoretical Beam Div : Measured Beam Div : Method Used : Additional Information : Final Beam Diameter [m]: 0.02 Eyesafe : NO Eyesafe Standard : N.A. Polarization on Exit : Laser Fire Control : Laser Energy Monitor : Start Diode Type : Manufactorer : Model : Quantum Efficiency [%]: Rise/Fall Time [ps]: Date Installed : Date Removed : Signal Processing : Manufacturer : Model : Date Installed : Date Removed : Additional Information : Date Installed : 2001-12-20 Date Removed : Additional Information : Pulse Width: 30-50 Back to top 6. Receiver System 6.01.01 Primary Chain Wavelength [nm]: 532 Detector Type : C-SPAD Manufacturer : Czech Technical University + Graz Model : SN980610/403? Quantum Efficiency [%]: 20 Nominal Gain : Rise Time [ps]: 100 Jitter (Single PE)[ps]: 22 Field of View Diam ["]: Date Installed : 1998-12-26 Date Removed : Amplifier Type : Manufacturer : Model : Gain : Bandwidth : Date Installed : Date Removed : Additional Information: Signal Processing : CFD Manufacturer : TENILEC Model : TC-454 Date Installed : 1994-08-20 Date Removed : Amplitude Measurement : NO Return-Rate Controlled: NO Mode of Operation : MULTI PHOTON Additional Information: Time of Flight Observ. : INTERVAL Manufacturer : HP Model : 5370B Resolution [ps]: 20 Precision [ps]: 30 Date Installed : 1994-07-20 Date Removed : Additional Information : 6.02.01 Secondary Chain Wavelength [nm]: Detector Type : Manufacturer : Model : Quantum Efficiency [%]: Nominal Gain : Rise Time [ps]: Jitter (Single PE)[ps]: Field of View Diam ["]: Date Installed : Date Removed : Amplifier Type : Manufacturer : Model : Gain : Bandwidth : Date Installed : Date Removed : Additional Information: Signal Processing : Manufacturer : Model : Date Installed : Date Removed : Amplitude Measurement : Return-Rate Controlled: Mode of Operation : Additional Information: Time of Flight Observ. : Manufacturer : Model : Resolution [ps]: Precision [ps]: Date Installed : Date Removed : Additional Information : 6.03.01 Tertiary Chain Wavelength [nm]: Detector Type : Manufacturer : Model : Quantum Efficiency [%]: Nominal Gain : Rise Time [ps]: Jitter (Single PE)[ps]: Field of View Diam ["]: Date Installed : Date Removed : Amplifier Type : Manufacturer : Model : Gain : Bandwidth : Date Installed : Date Removed : Additional Information: Signal Processing : Manufacturer : Model : Date Installed : Date Removed : Amplitude Measurement : Return-Rate Controlled: Mode of Operation : Additional Information: Time of Flight Observ. : Manufacturer : Model : Resolution [ps]: Precision [ps]: Date Installed : Date Removed : Additional Information : Back to top 7. Tracking Capabilities 7.01 Satellites Very Low Alt (<400 km) : NIGHT Low Altitude (400-2000) : NIGHT LAGEOS/LARES : NIGHT GLONASS : NIGHT Etalon : NIGHT GNSS : NIGHT Geosynchronous : Moon : NO Ave. Pass Switch Time [s]: 30 Average values for LAGEOS Single Shot RMS [mm]: 15 # of Obs per NP : 50 Use of Semi-trains : NO # of Semi-train Tracks : N.A. Range Gate Width [ns]: 10 - 10000 Beam Pointing Accuracy ["]: 5 Angle Encoder Resolution["]: 1 Min. Tracking Elev. [deg]: 10 Laser Polarization @emitter: Operation Months per Year : 12 Days per Week : 7 Hours per Day : 12 Staff per Shift : 1 System Shared With : NOTHING Time Allocated to SLR [%]: 100 Remotely Controllable : NO Tracking Restrictions Go/No-go flag : Satellite Verification : Date Verified : Maximum elevation : Satellite Verification : Date Verified : Pass segments : Satellite Verification : Date Verified : Schedule segments : Satellite Verification : Date Verified : Maximum laser power limit: Satellite Verification : Date Verified : Date First Applicable : 1998-12-26 HH:MM UT Date Last Applicable : Additional Information : Back to top 8. Calibration 8.01 Calibration Type : POST Target Location : EXTERNAL Target Type : FLAT SURFACE Target Structure : METAL POLE Number of Targets : Target Distance(s) [m]: 188.685 Date Measured : 1998-10-21 Accuracy [mm]: 1.0 Verification : 3 other targets Return-Rate Controlled : YES Eye-Safe Method : Additional Information : Mode of Operation : MULTI PHOTON Calibration performed : 60 Single Shot RMS [mm]: 10 Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA Edit Criterion 2nd Chain : N.A. Application of Cal Data : AVERAGE Date Installed : 1998-10-21 Date Removed : Additional Information : Back to top 9. Time and Frequency Standards 9.01.01 Frequency Standard Type : QUARTZ Model : HP58503B Manufacturer : HP Short Term Stab. [e-12]: 5 Long Term Stab. [e-12]: 1 Time Reference : GPS Synchronization : GPS Epoch Accuracy [ns]: 100 Date Installed : 2002-06-26 Date Removed : Additional Information : 9.02.01 GNSS Timing Rcvr Model : HP58503B Manufacturer : HP Date Installed : 2002-06-26 Date Removed : Additional Information : 9.03.01 One-way System Calibration Date performed : Direction Calibrated : Additional Information : Back to top 10. Preprocessing Information 10.01 On-site NP Generation : YES Data Screening : IRV+POLYNOMIAL Return-Rate Rejection : Edit Criterion 1st Chain : 2.5 SIGMA Edit Criterion 2nd Chain : N.A. Upload interval : AFTER EACH SHIFT Date First Applicable : 2002-12-30 HH:MM UT Date Last Applicable : Additional Information : Back to top 11. Aircraft Detection 11.01 Detection Type : MOUNT OBSERVER Manufacturer/Provider : Automatic Laser Shutoff : Alarms Recorded : Hazard Distance [km]: Date Installed : Date Removed : Additional Information : Back to top 12. Meteorological Instrumentation 12.01.01 Pressure Sensor Model : PUT-200 Manufacturer : VAISALA Recording Interval : PER PASS Accuracy [mbar]: 0.5 Height Diff to SRP [m]: -0.5 Distance from SRP [m]: Date Installed : 2003-01-20 HH:MM UT Calibration Interval : 2 years Date Removed : Additional Information : SN:W2020002 12.02.01 Temp Sensor Model : HMP-450 Manufacturer : VAISALA Recording Interval : Per Pass Accuracy [deg C]: 0.1 Date Installed : 2003-01-20 HH:MM UT Calibration Interval : 2 years Date Removed : Additional Information : SN:W1850022 12.03.01 Humidity Sensor Model : HMP-450 Manufacturer : VAISALA Recording Interval : PER PASS Accuracy [% rel h]: 2.0 Date Installed : 2003-01-20 HH:MM UT Calibration Interval : 2 years Date Removed : Additional Information : SN:W1850022 Back to top 13. Local Ties, Eccentricities, and Collocation Information 13.01 Collocated Permanent Geodetic Systems 13.01.01.01 GNSS : IGS Date Installed : 1995-09-20 Date Removed : Additional Info : 13.01.01.02 GNSS : NO Date Installed : Date Removed : Additional Info : 13.01.02.01 DORIS : NO Date Installed : Date Removed : Additional Info : 13.01.03.01 PRARE : NO Date Installed : Date Removed : Additional Info : 13.01.04.01 VLBI : NO Date Installed : Date Removed : Additional Info : 13.01.05.01 Gravimeter : ABSOLUTE Date Installed : Date Removed : Additional Info : 13.01.06.01 Other SLR : Date Installed : Date Removed : Additional Info : 13.02.01.01 Local Ties from the SRP to Other Monuments or Systems on Site Monument Name : BJFS Instrumentation Type : GPS Instrumentation Status : PERMANENT DOMES Number : 21601M001 CDP Number : N.A. Differential Components (ITRS) dx [m]: 37.627 +- 0.002 dy [m]: -37.017 +- 0.002 dz [m]: 84.348 +- 0.002 Date Measured : 2003-06-28 Determined by : The Chinese Academy of Surveying and Mapping Date Installed : 1995-09-15 Date Removed : Additional Information : 13.02.02.01 Local Ties from the SRP to Other Monuments or Systems on Site Monument Name : 7249 Instrumentation Type : SLR Instrumentation Status : PERMANENT DOMES Number : 21601S004 CDP Number : 7249 Differential Components (ITRS) dx [m]: 21.111 +- 0.002 dy [m]: 81.299 +- 0.002 dz [m]: -61.855 +- 0.002 Date Measured : 2003-06-28 Determined by : The Chinese Academy of Surveying and Mapping Date Installed : 1995-09-15 Date Removed : Additional Information : 13.03.01.01 Eccentricities Between Other Monuments on Site From: Monument Name : DOMES Number : CDP Number : To: Monument Name : DOMES Number : CDP Number : Differential Components (ITRS) dx [m]: dy [m]: dz [m]: Date Measured : Determined by : Additional Information : Back to top 14. Local Events Possibly Affecting Computed Position 14.01 Date : Event : Additional Information : Back to top 15. On-Site, Point of Contact Agency Information Agency : Chinese Academy of Surveying and mapping Mailing Address : 16 Beitaiping Road : 100039 Beijing,China Website : Primary Contact Contact Name : Wang Tanqiang Telephone (primary) : +86-10-88217725 Telephone (secondary) : 13501393299 Fax : 010-68218654 E-mail : wangtq@263.net or wangtq@CASM.AC.CN Secondary Contact Contact Name : Liu Weidong Telephone (primary) : +86-10-64853527 Telephone (secondary) : 010-61311374 Fax : 010-64888730 E-mail : wd-liu@163.COM Tertiary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : Back to top 16. Responsible Agency (if different from 15.) Agency : Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : Back to top 17. More Information URL for More Information : N.A. Hardcopy on File Site Map : NO Site Diagram : NO Horizon Mask : NO Monument Description : NO Site Pictures : NO Additional Information : Back to top
- NASA Official: Frank Lemoine
- Web Curator: Lori J. Tyahla
- Contact Us
- Last modified date: Nov 5, 2024
- Privacy Policy & Important Notices