ILRS Site and System Information Form
      International Laser Ranging Service

 0.   Form

      Prepared by (Full Name)    : Yang Fumin
      Preparer E-mail            : yangfm@center.shao.ac.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                  : Shanghai
      IERS DOMES Number          : 21605S001
      CDP Pad ID                 : 7837
      Subnetwork                 : WPLTN
      Description                : AZ EL INTERSECT
      Monument Description       : N.A.
      Monument Inscription       : N.A.
      Mark Description           : N.A.
      Date Installed             : 1983-03-19
      Date Removed               : 
      Geologic Characteristic    : SANDSTONES
      Additional Information     : The site is located in southwest 
                                 : Shanghai, 30 km away from town.
                                 : SRP is center of 45 deg bending
                                 : mirror.


 2.   Site Location Information

      City or Town               : Shanghai
      State or Province          : Shanghai
      Country                    : P.R. Chinese
      Tectonic Plate             : Eurasian
      Local Time (UTC +/- hours) : 
      Approximate Position
        X coordinate          [m]: -2831088.101
        Y coordinate          [m]: 4676203.354
        Z coordinate          [m]: 3275172.810
        Latitude            [deg]: 31.0975 N
        Longitude           [deg]: 121.1917 E
        Elevation             [m]: 29.023
      Survey Method              : 
      Date Measured              : 
      Additional Information     : The site is located by the 
                                 : Sheshan hill


 3.   General System Information

 3.01 System Name                : Shanghai
      4-Character Code           : SHAL
      CDP System Number          : 28
      CDP Occupation Number      : 05
      Eccentricity to SRP (if Not Identical With SRP)
        North                 [m]: 
        East                  [m]: 
        Up                    [m]: 
        Date Measured            : N.A.
      Date Installed             : 1983-03-19
      Date Removed               : 
      Additional Information     : 


 4.   Telescope Information

 4.01 Receiving Telescope Type   : CASSEGRAIN
        Aperture              [m]: 0.6
        Mount                    : AZ-EL
      Date Installed             : 
      Date Removed               : 
      Xmitting Telescope Type    : REFRACTOR
        Aperture              [m]: 0.15
      Date Installed             : 
      Date Removed               : 
      Tracking Camera Type       : ICCD
        Model                    : 
        Manufacturer             : China
        Field of View       [deg]: 0.3
        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]: 1
      Max Used Tracking Rate Az  : 5
      Max Used Tracking Rate El  : 1
      Telescope Shelter          : DOME
      Daylight Filter Type       : Oven controlled spectral filter
      Dayl. Filt. Bandwidth  [nm]: 0.3
      Adjustable Attenuation     : NO
      Adjustable Field of View   : 
      Transmit Efficiency        : 0.60
      Receive Efficiency         : 0.51
      Date Installed             : 1983-03-19
      Date Removed               : 
      Additional Information     : The filter is used in daylight tracking only
                                 : Receive Efficiency: 
                                 :     0.51,0.1(3nm filter included)


 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
      Secondary Max. Energy  [mJ]: 40
      Xmit Energy Adjustable     : NO
        Additional Information   : 
      Pulse Width (FWHM)     [ps]: 50
      Max. Repetition Rate   [Hz]: 8
      Fullw. Beam Divergence  ["]: 20
        Theoretical Beam Div     : 
        Measured Beam Div        : 
          Method Used            : 
          Additional Information : 
      Final Beam Diameter     [m]: 0.12
      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             : 1995-10-01
      Date Removed               : 
      Additional Information     : SFUR Passively Mode-locked laser
                                 : Primary Maximum Energy:
                                 :     Not used for laser ranging
                                 : Pulse Width (FWHM): 50 ~ 100


 6.   Receiver System

 6.01.01 Primary Chain
         Wavelength          [nm]: 532
         Detector Type           : CSPAD
           Manufacturer          : PESO Consulting
           Model                 : 0402
           Quantum Efficiency [%]: 20
           Nominal Gain          : 
           Rise Time         [ps]: 
           Jitter (Single PE)[ps]: 30
           Field of View Diam ["]: 80
           Date Installed        : 1998-03-19
           Date Removed          : 
         Amplifier Type          : 
           Manufacturer          : 
           Model                 : 
           Gain                  : 
           Bandwidth             : 
           Date Installed        : 
           Date Removed          : 
           Additional Information: 
         Signal Processing       : Time Walk Compensated
           Manufacturer          : Graz
           Model                 : 1998-03-19
           Date Installed        : 
           Date Removed          : 
           Amplitude Measurement : NO
           Return-Rate Controlled: NO
           Mode of Operation     : Single to Multi Photon
           Additional Information: 
         Time of Flight Observ.  : INTERVAL
           Manufacturer          : Hewlett-Packard
           Model                 : 5370B
           Resolution        [ps]: 20
           Precision         [ps]: 35
           Date Installed        : 1990-04-01
           Date Removed          : 
         Additional Information  : Quantum Efficiency: ~20

 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)  : YES
        LAGEOS/LARES             : YES
        GLONASS                  : YES
        Etalon                   : NIGHT
        GNSS                     : NIGHT
        Geosynchronous           : 
        Moon                     : NO
      Ave. Pass Switch Time   [s]: ~20
      Average values for LAGEOS
        Single Shot RMS      [mm]: 16
        # of Obs per NP          : 40
        Use of Semi-trains       : YES
        # of Semi-train Tracks   : 3-4
      Range Gate Width       [ns]: 100 - 30000
      Beam Pointing Accuracy  ["]: 5
      Angle Encoder Resolution["]: 1
      Min. Tracking Elev.   [deg]: 15
      Laser Polarization @emitter: 
      Operation
        Months per Year          : 12
        Days per Week            : 7
        Hours per Day            : 12 - 24
        Staff per Shift          : 1
        System Shared With       : NO 
        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      : 1983-11-07 HH:MM UT
      Date Last Applicable       : 
      Additional Information     : Minimum Tracking Elevation 
                                 : In north and west is 25 deg.


 8.   Calibration

 8.01 Calibration Type           : PRE+POST
      Target Location            : EXTERNAL WITHIN DOME
      Target Type                : see additional information
      Target Structure           : Short CALIBR TARGET, 
                                 : see additional information
      Number of Targets          : 
      Target Distance(s)      [m]: 2.0
        Date Measured            : 2000-06-20
        Accuracy             [mm]: 1
        Verification             : 
      Return-Rate Controlled     : 
      Eye-Safe Method            : 
        Additional Information   : 
      Mode of Operation          : 
      Calibration performed      : 120 or more
      Single Shot RMS        [mm]: 8
      Edit Criterion 1st Chain   : ITERATIVE 2.5 SIGMA
      Edit Criterion 2nd Chain   : N.A.
      Application of Cal Data    : 
      Date Installed             : 2000-06-20
      Date Removed               : 
      Additional Information     : Target is made of a prism and a diffusor
                                 : to direct the beam into receiver.


 9.   Time and Frequency Standards

 9.01.01 Frequency Standard Type : Oven Controlled Crystal Oscillator
         Model                   : 58503A
         Manufacturer            : HP
         Short Term Stab.  [e-12]: 5
         Long Term Stab.   [e-12]: 1
         Time Reference          : GPS
         Synchronization         : GPS
         Epoch Accuracy      [ns]: 110
         Date Installed          : 1997-10-01
         Date Removed            : 
         Additional Information  : 

 9.02.01 GNSS Timing Rcvr Model  : 58503A
         Manufacturer            : HP
         Date Installed          : 1997-10-01
         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             : Polyfit fit + orbit solve
      Return-Rate Rejection      : 
      Edit Criterion 1st Chain   : 2.5 SIGMA
      Edit Criterion 2nd Chain   : N.A.
      Upload interval            : No
      Date First Applicable      : 1983-11-07 HH:MM UT
      Date Last Applicable       : 
      Additional Information     : 


11.   Aircraft Detection

11.01 Detection Type             : NONE
      Manufacturer/Provider      : 
      Automatic Laser Shutoff    : 
      Alarms Recorded            : 
      Hazard Distance        [km]: 
      Date Installed             : 
      Date Removed               : 
      Additional Information     : No limit to laser transmit in the area of 
                                 : the station, because there are few aircraft
                                 : and the transmitted laser energy is low.


12.   Meteorological Instrumentation

12.01.01 Pressure Sensor Model   : 
         Manufacturer            : China
         Recording Interval      : PER PASS
         Accuracy          [mbar]: 0.3
         Height Diff to SRP   [m]: 2
         Distance from SRP    [m]: 
         Date Installed          : 1999-09-01 HH:MM UT
         Calibration Interval    : EVERY FEW YEARS
         Date Removed            : 
         Additional Information  : Pressures compared with
                                 : local Met Office barometers

12.02.01 Temp Sensor Model       : 
         Manufacturer            : China
         Recording Interval      : PER PASS
         Accuracy         [deg C]: 0.3
         Date Installed          : 1990-04-01 HH:MM UT
         Calibration Interval    : EVERY FEW YEARS
         Date Removed            : 
         Additional Information  : Temperatures compared with local Met 
                                 : office readings

12.03.01 Humidity Sensor Model   : 
         Manufacturer            : China
         Recording Interval      : PER PASS
         Accuracy       [% rel h]: 3
         Date Installed          : 1990-04-01 HH:MM UT
         Calibration Interval    : EVERY FEW YEARS
         Date Removed            : 
         Additional Information  : Humidity compared with local Met 
                                 : office readings


13.   Local Ties, Eccentricities, and Collocation Information

13.01 Collocated Permanent Geodetic Systems

13.01.01.01 GNSS                 : IGS
            Date Installed       : 1995-01-25
            Date Removed         : 
            Additional Info      : 
13.01.02.01 DORIS                : NO
            Date Installed       : 
            Date Removed         : 
            Additional Info      : 
13.01.03.01 PRARE                : YES
            Date Installed       : 1996-05-03
            Date Removed         : 1998-12-01
            Additional Info      : 
13.01.04.01 VLBI                 : YES
            Date Installed       : 1987-11-01
            Date Removed         : 
            Additional Info      : 
13.01.05.01 Gravimeter           : NO
            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           : None
         Instrumentation Type    : VLBI 
         Instrumentation Status  : PERMANENT
         DOMES Number            : 21605S009
         CDP Number              : 7227
         Differential Components (ITRS)
           dx                 [m]: -598.854 +- 0
           dy                 [m]: -469.637 +- 0
           dz                 [m]: 154.972 +- 0
           Date Measured         : 1992-MM-DD
           Determined by         : Shanghai Obs.
         Date Installed          : 
         Date Removed            : 
         Additional Information  : 

13.02.02.01 Local Ties from the SRP to Other Monuments or Systems on Site

         Monument Name           : JPL 4027-S
         Instrumentation Type    : GPS
         Instrumentation Status  : PERMANENT
         DOMES Number            : 21605M002
         CDP Number              : N.A.
         Differential Components (ITRS)
           dx                 [m]: -645.121 +- 0
           dy                 [m]: -537.348 +- 0
           dz                 [m]: 196.639 +- 0
           Date Measured         : 1997-01-01
           Determined by         : Shanghai Obs.
         Date Installed          : 1994-10-01
         Date Removed            : 
         Additional Information  : The previous site log had the wrong
                                 : signs for Dx, Dy, Dz.

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                     : Shanghai Astronomical Observatory,
                                 : The Chinese Academy of Sciences
      Mailing Address            : Shanghai Observatory
                                 : 80 Nandan Rd,Shanghai 200030
                                 : China
      Website                    : 
      Primary Contact
        Contact Name             : Yang Fumin
        Telephone (primary)      : +86-021-64696290
        Telephone (secondary)    : 
        Fax                      : +86-021-64384618 
        E-mail                   : yangfm@center.shao.ac.cn
      Secondary Contact
        Contact Name             : Zhang Zhongping
        Telephone (primary)      : +86 -021-64386191
        Telephone (secondary)    : 
        Fax                      : +86-021-64384618 
        E-mail                   : zzp@center.shao.ac.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   : http:/center.shao.ac.cn/
      Hardcopy on File
        Site Map                 : NO
        Site Diagram             : NO
        Horizon Mask             : NO
        Monument Description     : NO
        Site Pictures            : NO
      Additional Information     :