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Shanghai: Site Log

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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)    : Zhang Zhongping
       Preparer E-mail            : zzp@shao.ac.cn
       Date Prepared              : 2015-11-14
       Report Type                : UPDATE
       Site Log Format Version    : 2.0
       Site Log Revision          : 2.1
 
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Shanghai 
       IERS DOMES Number          : 21605S010
       CDP Pad ID                 : 7821
       Subnetwork                 : WPLTN
       Description                : AZ EL INTERSECT
       Monument Description       : N.A.
       Monument Inscription       : N.A.
       Mark Description           : N.A.
       Date Installed             : 2005-07-10
       Date Removed               : 
       Geologic Characteristic    : BEDROCK
       Additional Information     : The site is located in southwest 
                                  : Shanghai, 30 km away from town.
                                  : SRP is center of 45 deg bending
                                  : mirror.
 
 
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  2.   Site Location Information
 
       City or Town               : Shanghai
       State or Province          : Shanghai
       Country                    : P.R. China
       Tectonic Plate             : Eurasian
       Local Time (UTC +/- hours) : 
       Approximate Position
         X coordinate          [m]: -2830744.471
         Y coordinate          [m]: 4676580.282
         Z coordinate          [m]: 3275072.816
         Latitude            [deg]: 31.0961 N
         Longitude           [deg]: 121.1866 E
         Elevation             [m]: 99.961
       Survey Method              : 
       Date Measured              : 
       Additional Information     : The site is located at the top of the 
                                  : Sheshan hill. Position epoch 2005/10/11.
 
 
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  3.   General System Information
 
  3.01 System Name                : Shanghai
       4-Character Code           : SHA2
       CDP System Number          : 28
       CDP Occupation Number      : 01
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 
         East                  [m]: 
         Up                    [m]: 
         Date Measured            : N.A.
       Date Installed             : 2005-07-10
       Date Removed               : 
       Additional Information     : 
 
 
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  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]: 0.21
       Date Installed             : 
       Date Removed               : 
       Tracking Camera Type       : CCD
         Model                    : 120N+
         Manufacturer             : Watec/Japan
         Field of View       [deg]: 0.2
         Minimum Magnitude   [mag]: 13
       Date Installed             : 
       Date Removed               : 
       Transmit/Receive Path      : SEPARATE
       Transmit/Receive Switch    : NONE
       Max Slew Rate Az    [deg/s]: 10
       Max Slew Rate El    [deg/s]: 3
       Max Used Tracking Rate Az  : 5
       Max Used Tracking Rate El  : 2
       Telescope Shelter          : DOME
       Daylight Filter Type       : Barr/USA
       Dayl. Filt. Bandwidth  [nm]: 0.15
       Adjustable Attenuation     : NO
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.50
       Receive Efficiency         : 0.15
       Date Installed             : 2012-07-10
       Date Removed               : 2013-12-18
       Additional Information     : The filter is used in daylight tracking only
 
  4.02 Receiving Telescope Type   : CASSEGRAIN
         Aperture              [m]: 0.6
         Mount                    : AZ-EL
       Date Installed             : 
       Date Removed               : 
       Xmitting Telescope Type    : REFRACTOR
         Aperture              [m]: 0.21
       Date Installed             : 
       Date Removed               : 
       Tracking Camera Type       : CCD
         Model                    : 120N+
         Manufacturer             : Watec/Japan
         Field of View       [deg]: 0.1
         Minimum Magnitude   [mag]: 13
       Date Installed             : 
       Date Removed               : 
       Transmit/Receive Path      : SEPARATE
       Transmit/Receive Switch    : NONE
       Max Slew Rate Az    [deg/s]: 10
       Max Slew Rate El    [deg/s]: 3
       Max Used Tracking Rate Az  : 5
       Max Used Tracking Rate El  : 2
       Telescope Shelter          : DOME
       Daylight Filter Type       : Barr/USA
       Dayl. Filt. Bandwidth  [nm]: 0.15
       Adjustable Attenuation     : NO
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.50
       Receive Efficiency         : 0.15
       Date Installed             : 2013-12-18
       Date Removed               : 
       Additional Information     : The first mirror and second mirror have been 
                                  : recoated with high reflective efficiency at
                                  : wavelengths of 532nm and 1064nm
 
 
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  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 1
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 2.0
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 1.0
       Xmit Energy Adjustable     : YES
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 20
       Max. Repetition Rate   [Hz]: 1000
       Fullw. Beam Divergence  ["]: 100
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.06
       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             : 2009-09-01
       Date Removed               : 
       Additional Information     : Diode-Pumped Regenerative Amplifier Laser
 
 
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  6.   Receiver System
 
  6.01.01 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : C-SPAD
            Manufacturer          : PESO Consulting/CZECH
            Model                 : 0432
            Quantum Efficiency [%]: 20
            Nominal Gain          : 
            Rise Time         [ps]: 
            Jitter (Single PE)[ps]: 20
            Field of View Diam ["]: 80
            Date Installed        : 2013-01-14
            Date Removed          : 2013-11-25
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : Time Walk Compensated
            Manufacturer          : PESO Consulting
            Model                 : 
            Date Installed        : 2013-01-14
            Date Removed          : 2013-11-25
            Amplitude Measurement : NO
            Return-Rate Controlled: NO
            Mode of Operation     : Single to Multi Photon
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : Latvia
            Model                 : A033-Event Timer
            Resolution        [ps]: 1
            Precision         [ps]: 5
            Date Installed        : 2013-01-15
            Date Removed          : 
          Additional Information  : 
 
  6.01.02 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : C-SPAD
            Manufacturer          : PESO Consulting/CZECH
            Model                 : 0433
            Quantum Efficiency [%]: 20
            Nominal Gain          : 
            Rise Time         [ps]: 
            Jitter (Single PE)[ps]: 20
            Field of View Diam ["]: 60
            Date Installed        : 2013-11-25
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : Time Walk Compensated
            Manufacturer          : PESO Consulting
            Model                 : 
            Date Installed        : 2013-11-25
            Date Removed          : 
            Amplitude Measurement : NO
            Return-Rate Controlled: NO
            Mode of Operation     : Single to Multi Photon
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : Latvia
            Model                 : A033-Event Timer
            Resolution        [ps]: 1
            Precision         [ps]: 5
            Date Installed        : 2013-01-15
            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  : 
 
 
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  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                     : NIGHT
         Geosynchronous           : 
         Moon                     : NO
       Ave. Pass Switch Time   [s]: ~30
       Average values for LAGEOS
         Single Shot RMS      [mm]: 12
         # of Obs per NP          : 2500
         Use of Semi-trains       : NO
         # of Semi-train Tracks   : N.A.
       Range Gate Width       [ns]: 10 - 10000
       Beam Pointing Accuracy  ["]: 5
       Angle Encoder Resolution["]: 0.14
       Min. Tracking Elev.   [deg]: 5
       Laser Polarization @emitter: 
       Operation
         Months per Year          : 12
         Days per Week            : 7
         Hours per Day            : 8 - 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      : 2005-09-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : Minimum Tracking Elevation is 15 deg
                                  : in partial azimuths in east and west.
 
 
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  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]: 2.537
         Date Measured            : 2015-11-14
         Accuracy             [mm]: 1
         Verification             : 
       Return-Rate Controlled     : NO
       Eye-Safe Method            : 
         Additional Information   : 
       Mode of Operation          : SINGLE/MULTI PHOTON
       Calibration performed      : 60 or more
       Single Shot RMS        [mm]: 8
       Edit Criterion 1st Chain   : ITERATIVE 2.2 SIGMA
       Edit Criterion 2nd Chain   : N.A.
       Application of Cal Data    : 
       Date Installed             : 2005-07-20
       Date Removed               : 
       Additional Information     : Target is made of a prism and a diffusor
                                  : to direct the beam into receiver.
 
 
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  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          : 2005-07-10
          Date Removed            : 
          Additional Information  : 
 
  9.02.01 GNSS Timing Rcvr Model  : 58503A
          Manufacturer            : HP
          Date Installed          : 2005-07-10
          Date Removed            : 
          Additional Information  : 
 
  9.03.01 One-way System Calibration
          Date performed          : 
          Direction Calibrated    : 
          Additional Information  : 
 
 
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 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      : 2005-09-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : 
 
 
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 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.
 
 
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 12.   Meteorological Instrumentation
 
 12.01.01 Pressure Sensor Model   : Vaisala
          Manufacturer            : Finland
          Recording Interval      : PER PASS
          Accuracy          [mbar]: 0.1
          Height Diff to SRP   [m]: 2
          Distance from SRP    [m]: 
          Date Installed          : 2005-07-10 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       : Vaisala
          Manufacturer            : Finland
          Recording Interval      : PER PASS
          Accuracy         [deg C]: 0.2
          Date Installed          : 2005-07-10 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   : Vaisala
          Manufacturer            : Finland
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 1
          Date Installed          : 2005-07-10 HH:MM UT
          Calibration Interval    : EVERY FEW YEARS
          Date Removed            : 
          Additional Information  : Humidity compared with local Met 
                                  : office readings
 
 
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 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      : 
 13.01.01.02 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                : 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]: 
            dy                 [m]: 
            dz                 [m]: 
            Date Measured         : 
            Determined by         : 
          Date Installed          : 1987-11-01
          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]: -989.067 +- 0
            dy                 [m]: -914.341 +- 0
            dz                 [m]: 296.587 +- 0
            Date Measured         : 2005-10-13
            Determined by         : Shanghai Obs.
          Date Installed          : 1995-01-25
          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  : 
 
 
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 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : 
       Event                      : 
       Additional Information     : 
 
 
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 15.   On-Site, Point of Contact Agency Information
 
       Agency                     : Shanghai Astronomical Observatory,
                                  : Chinese Academy of Sciences
       Mailing Address            : Shanghai Observatory
                                  : 80 Nandan Rd,Shanghai 200030
                                  : China
       Website                    : 
       Primary Contact
         Contact Name             : Zhang Zhongping
         Telephone (primary)      : +86-21-34775214
         Telephone (secondary)    : +86-21-64696290 
         Fax                      : +86-21-64696290 
         E-mail                   : zzp@shao.ac.cn
       Secondary Contact
         Contact Name             : Wu Zhibo
         Telephone (primary)      : +86-21-57653168
         Telephone (secondary)    : +86-21-57651448
         Fax                      : +86-21-57651448
         E-mail                   : wzb@shao.ac.cn
       Tertiary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : 
 
 
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 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     : 
 
 
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 17.   More Information
 
       URL for More Information   : http://www.shao.ac.cn/
       Hardcopy on File
         Site Map                 : NO
         Site Diagram             : NO
         Horizon Mask             : NO
         Monument Description     : NO
         Site Pictures            : NO
       Additional Information     : 
 
 
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