ILRS Site and System Information Form International Laser Ranging Service 0. Form Prepared by (Full Name) : Guo Tangyong Preparer E-mail : whslr@public.wh.hb.cn Date Prepared : 2002-05-09 Report Type : UPDATE Site Log Format Version : 2.0 Site Log Revision : 1. Identification of the Ranging System Reference Point (SRP) Site Name : Wuhan SLR Station IERS DOMES Number : 21602S004 CDP Pad ID : 7231 Subnetwork : WPLTN Description : AZ EL INTERSECT Monument Description : N.A. Monument Inscription : N.A. Mark Description : N.A. Date Installed : 1999-12-28 Date Removed : Geologic Characteristic : BEDROCK Additional Information : 2. Site Location Information City or Town : Wuhan State or Province : Wuhan, Hubei Country : China Tectonic Plate : Eurasian Local Time (UTC +/- hours) : Approximate Position X coordinate [m]: -2279714.2 Y coordinate [m]: 5004767.5 Z coordinate [m]: 3219794.0 Latitude [deg]: 30.5157 N Longitude [deg]: 114.4897 E Elevation [m]: 86.551 Survey Method : Date Measured : Additional Information : 3. General System Information 3.01 System Name : Wuhan 4-Character Code : WUHL CDP System Number : 29 CDP Occupation Number : 01 Eccentricity to SRP (if Not Identical With SRP) North [m]: East [m]: Up [m]: Date Measured : Date Installed : 1999-12-28 Date Removed : Additional Information : 4. Telescope Information 4.01 Receiving Telescope Type : Paraboloid reflect Aperture [m]: 0.60 Mount : AZ-EL Date Installed : Date Removed : Xmitting Telescope Type : GALILEI Aperture [m]: 0.15 Date Installed : Date Removed : Tracking Camera Type : ICCD Model : M40 Manufacturer : YNGYC Field of View [deg]: 0.05 Minimum Magnitude [mag]: 13 Date Installed : Date Removed : Transmit/Receive Path : SEPARATE Transmit/Receive Switch : NONE Max Slew Rate Az [deg/s]: 5 Max Slew Rate El [deg/s]: 5 Max Used Tracking Rate Az : 2 Max Used Tracking Rate El : 2 Telescope Shelter : SEALED DOME Daylight Filter Type : Unknown Dayl. Filt. Bandwidth [nm]: 0.3 Adjustable Attenuation : TRANSMIT Adjustable Field of View : Transmit Efficiency : 0.38 Receive Efficiency : 0.45 Date Installed : 1999-12-28 Date Removed : Additional Information : 5. Laser System Information 5.01 Laser Type : ND:YAG Model : Manufacturer : Number of Amplifiers : 1 Primary Wavelength [nm]: 1064 Primary Maximum Energy [mJ]: N.A. Secondary Wavelength [nm]: 532.1 Secondary Max. Energy [mJ]: 30 Xmit Energy Adjustable : NO Additional Information : Pulse Width (FWHM) [ps]: 30 Max. Repetition Rate [Hz]: 10 Fullw. Beam Divergence ["]: 10 - 60 Theoretical Beam Div : Measured Beam Div : Method Used : Additional Information : Final Beam Diameter [m]: 0.07 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 : 2000-04-20 Date Removed : Additional Information : One Double-Lamp Power Amp : Primary Maximum Energy: : not used for laser ranging : 6. Receiver System 6.01.01 Primary Chain Wavelength [nm]: 532 Detector Type : CSPAD Manufacturer : PESO Consulting Model : 0407 Quantum Efficiency [%]: 20 Nominal Gain : Rise Time [ps]: 100 Jitter (Single PE)[ps]: 22 Field of View Diam ["]: 120 Date Installed : 1999-05-01 Date Removed : Amplifier Type : Manufacturer : Model : Gain : Bandwidth : Date Installed : Date Removed : Additional Information: Signal Processing : Time Walk Compensated Manufacturer : Graz Model : Date Installed : Date Removed : Amplitude Measurement : NO Return-Rate Controlled: NO Mode of Operation : Single to Multi Photons Additional Information: Time of Flight Observ. : INTERVAL Manufacturer : Stanford Model : 620 Resolution [ps]: 4 Precision [ps]: 30 Date Installed : 1999-01-01 Date Removed : Additional Information : Rise Time: <100 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 : 7. Tracking Capabilities 7.01 Satellites Very Low Alt (<400 km) : YES Low Altitude (400-2000) : YES LAGEOS/LARES : YES GLONASS : YES Etalon : YES GNSS : YES Geosynchronous : Moon : NO Ave. Pass Switch Time [s]: 20 Average values for LAGEOS Single Shot RMS [mm]: 20 # of Obs per NP : 20 Use of Semi-trains : YES # of Semi-train Tracks : 4 Range Gate Width [ns]: 10 - 10000 Beam Pointing Accuracy ["]: 5 Angle Encoder Resolution["]: 1 Min. Tracking Elev. [deg]: 12 Laser Polarization @emitter: Operation Months per Year : 12 Days per Week : 7 Hours per Day : 15 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 : 2000-01-15 HH:MM UT Date Last Applicable : Additional Information : 8. Calibration 8.01 Calibration Type : PRE+POST Target Location : EXTERNAL Target Type : FLAT SURFACE Target Structure : METAL POLE Number of Targets : Target Distance(s) [m]: 0.715 Date Measured : 1999-05-01 Accuracy [mm]: 4 Verification : Return-Rate Controlled : NO Eye-Safe Method : Additional Information : Mode of Operation : SINGLE/MULTI PHOTON Calibration performed : 180 Single Shot RMS [mm]: 10 Edit Criterion 1st Chain : ITERATIVE 2.2 SIGMA Edit Criterion 2nd Chain : N.A. Application of Cal Data : AVERAGE Date Installed : 1999-01-15 Date Removed : Additional Information : 9. Time and Frequency Standards 9.01.01 Frequency Standard Type : Oven Controlled Crystal Oscillator Model : 58503 Manufacturer : HP Short Term Stab. [e-12]: 5 Long Term Stab. [e-12]: 1 Time Reference : GPS Synchronization : GPS Epoch Accuracy [ns]: 150 Date Installed : 1999-03-15 Date Removed : Additional Information : 9.02.01 GNSS Timing Rcvr Model : 58503 Manufacturer : HP Date Installed : 1999-03-15 Date Removed : Additional Information : 9.03.01 One-way System Calibration Date performed : Direction Calibrated : Additional Information : 10. Preprocessing Information 10.01 On-site NP Generation : YES Data Screening : IRV+POLYNOMIAL Return-Rate Rejection : Edit Criterion 1st Chain : MANUAL Edit Criterion 2nd Chain : NONE Upload interval : HOURLY Date First Applicable : 2000-04-26 HH:MM UT Date Last Applicable : Additional Information : 11. Aircraft Detection 11.01 Detection Type : MOUNT OBSERVER Manufacturer/Provider : Automatic Laser Shutoff : Alarms Recorded : Hazard Distance [km]: Date Installed : 2000-04-01 Date Removed : Additional Information : 12. Meteorological Instrumentation 12.01.01 Pressure Sensor Model : WUPTH Manufacturer : C&D Recording Interval : PER PASS Accuracy [mbar]: ~ 0.8 Height Diff to SRP [m]: ~ -1.1 Distance from SRP [m]: Date Installed : 2000-04-01 HH:MM UT Calibration Interval : YEARLY Date Removed : Additional Information : 12.02.01 Temp Sensor Model : WUPTH Manufacturer : C&D Recording Interval : PER PASS Accuracy [deg C]: 0.2 Date Installed : 2000-04-01 HH:MM UT Calibration Interval : YEARLY Date Removed : Additional Information : 12.03.01 Humidity Sensor Model : WUPTH Manufacturer : C&D Recording Interval : PER PASS Accuracy [% rel h]: 3 Date Installed : 2000-04-01 HH:MM UT Calibration Interval : YEARLY Date Removed : Additional Information : 13. Local Ties, Eccentricities, and Collocation Information 13.01 Collocated Permanent Geodetic Systems 13.01.01.01 GNSS : IGS Date Installed : 1993-01-08 Date Removed : Additional Info : 13.01.01.02 GNSS : YES Date Installed : 1999-05-05 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 : SUPERCONDUCTING & ABSOLUTE Date Installed : 1990-01-01 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 : Instrumentation Type : Instrumentation Status : DOMES Number : CDP Number : Differential Components (ITRS) dx [m]: dy [m]: dz [m]: Date Measured : Determined by : Date Installed : 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 : 14. Local Events Possibly Affecting Computed Position 14.01 Date : Event : Additional Information : 15. On-Site, Point of Contact Agency Information Agency : Institute of Seismology, : China Seismological Bureau Mailing Address : No. 70 Central Xiao Hong Shan district, : Wuhan 430071, P.R. China Website : Primary Contact Contact Name : SLR group Telephone (primary) : Telephone (secondary) : Fax : E-mail : whslr@public.wh.hb.cn Secondary Contact Contact Name : SLR group Telephone (primary) : Telephone (secondary) : Fax : E-mail : whslr@public.wh.hb.cn Tertiary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 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 : 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 :