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          : 


 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)


 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


 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     : 


 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     : 


 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


 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  : 


 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     : 


 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     : 


 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  : 


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     : 


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     : 


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


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  : 


14.   Local Events Possibly Affecting Computed Position

14.01 Date                       : 
      Event                      : 
      Additional Information     : 


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     : 


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     :