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Beijing: Site Log

Instructions and Update 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)    : Zhengbin HE
       Preparer E-mail            : hezb@casm.ac.cn
       Date Prepared              : 2019-03-14
       Report Type                : UPDATE
       Site Log Format Version    : 2.0
       Site Log Revision          : 
 
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Beijing SLR Station
       IERS DOMES Number          : 21601S004
       CDP Pad ID                 : 7249
       Subnetwork                 : WPLTN
       Description                : AZ EL INTERSECT
       Monument Description       : PILLAR
       Monument Inscription       : N.A.
       Mark Description           : N.A.
       Date Installed             : 1988-12-31
       Date Removed               : 
       Geologic Characteristic    : SANDSTONES
       Additional Information     : 
 
 
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  2.   Site Location Information
 
       City or Town               : Fangshan district
       State or Province          : Beijing
       Country                    : China
       Tectonic Plate             : Eurasian plate
       Local Time (UTC +/- hours) : 8
       Approximate Position
         X coordinate          [m]: -2148760.7559
         Y coordinate          [m]: 4426759.5583
         Z coordinate          [m]: 4044509.6074
         Latitude            [deg]: 39.6069 N
         Longitude           [deg]: 115.8920 E
         Elevation             [m]: 82.300
       Survey Method              : ITRF2014
       Date Measured              : 
       Additional Information     : 
 
 
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  3.   General System Information
 
  3.01 System Name                : SLR Beijing
       4-Character Code           : beil
       CDP System Number          : 61
       CDP Occupation Number      : 02
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 0.000 +- 0.000
         East                  [m]: 0.000 +- 0.000
         Up                    [m]: 0.000 +- 0.000
         Date Measured            : N.A.
       Date Installed             : 1988-12-31
       Date Removed               : 
       Additional Information     : 
 
 
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  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : CASSEGRAIN
         Aperture              [m]: 0.60
         Mount                    : AZ-EL
       Date Installed             : 1988-12-31
       Date Removed               : 
       Xmitting Telescope Type    : GALILEI
         Aperture              [m]: 0.16
       Date Installed             : 1988-12-31
       Date Removed               : 
       Tracking Camera Type       : ICCD
         Model                    : WAT-902H(just for CCD)
         Manufacturer             : SLR Beijing station
         Field of View       [deg]: 0.30
         Minimum Magnitude   [mag]: 13
       Date Installed             : 1988-12-31
       Date Removed               : 2016-05-30
       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          : SEALED DOME
       Daylight Filter Type       : Andover/USA
       Dayl. Filt. Bandwidth  [nm]: 0.16
       Adjustable Attenuation     : RECEIVE
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.70
       Receive Efficiency         : 0.70
       Date Installed             : 1988-12-31
       Date Removed               : 
       Additional Information     : The image intensifier of the ICCD
                                  : was made in Kunming, China
 
  4.02 Receiving Telescope Type   : CASSEGRAIN
         Aperture              [m]: 0.60
         Mount                    : AZ-EL
       Date Installed             : 1988-12-31
       Date Removed               : 
       Xmitting Telescope Type    : GALILEI
         Aperture              [m]: 0.16
       Date Installed             : 1988-12-31
       Date Removed               : 
       Tracking Camera Type       : CCD
         Model                    : WAT-120N+
         Manufacturer             : Watec
         Field of View       [deg]: 0.30
         Minimum Magnitude   [mag]: 0.15
       Date Installed             : 2016-05-31
       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          : SEALED DOME
       Daylight Filter Type       : Barr/USA
       Dayl. Filt. Bandwidth  [nm]: 0.2
       Adjustable Attenuation     : RECEIVE
       Adjustable Field of View   : N
       Transmit Efficiency        : 0.70
       Receive Efficiency         : 0.70
       Date Installed             : 2016-05-31
       Date Removed               : 
       Additional Information     : 
 
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  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 3
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 1
       Secondary Wavelength   [nm]: 532 
       Secondary Max. Energy  [mJ]: 30
       Xmit Energy Adjustable     : NO
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 200
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 0 - 200
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.01
       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             : 1990-05-20
       Date Removed               : 2010-07-27
       Additional Information     : 
 
  5.02 Laser Type                 : ND:VAN
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 2
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 2.28
       Secondary Wavelength   [nm]: 532 
       Secondary Max. Energy  [mJ]: 1.45
       Xmit Energy Adjustable     : NO
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 10.8
       Max. Repetition Rate   [Hz]: 2000
       Fullw. Beam Divergence  ["]: 0 - 200
         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             : 2010-07-12
       Date Removed               : 2012-01-31
       Additional Information     : 
 
  5.03 Laser Type                 : ND:YVO
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 2
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: N.A.
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 1.5
       Xmit Energy Adjustable     : NO
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 10
       Max. Repetition Rate   [Hz]: 1000
       Fullw. Beam Divergence  ["]: 103
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.05
       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             : 2012-01-03
       Date Removed               : 2016-05-10
       Additional Information     : 
 
  5.04 Laser Type                 : ND:YVO
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 2
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 1.2
       Xmit Energy Adjustable     : NO
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 10
       Max. Repetition Rate   [Hz]: 2000
       Fullw. Beam Divergence  ["]: 103
         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       : OCCASSIONAL
       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             : 2016-05-01
       Date Removed               : 2019-01-19
       Additional Information     : 
  5.05 Laser Type                 : ND:YVO
       Model                      : IC470
       Manufacturer               : HighQLaser Production GmbH
       Number of Amplifiers       : 0
       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]: 10
       Max. Repetition Rate   [Hz]: 1000
       Fullw. Beam Divergence  ["]: 103
         Theoretical Beam Div     : 103
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.002
       Eyesafe                    : NO
       Eyesafe Standard           : N.A.
       Polarization on Exit       : 
       Laser Fire Control         : CONTROLLED
       Laser Energy Monitor       : OCCASSIONAL
       Start Diode Type           : GT106
         Manufactorer             : 
         Model                    : 
         Quantum Efficiency    [%]: 
         Rise/Fall Time       [ps]: 
         Date Installed           : 
         Date Removed             : 
         Signal Processing        : 
           Manufacturer           : 
           Model                  : 
           Date Installed         : 
           Date Removed           : 
           Additional Information : 
       Date Installed             : 2019-01-20
       Date Removed               : 
       Additional Information     : 
 
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  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          : 2010-07-31
            Amplitude Measurement : NO
            Return-Rate Controlled: NO
            Mode of Operation     : MULTI PHOTON
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : Latvia
            Model                 : A032-Event Timer
            Resolution        [ps]: 1
            Precision         [ps]: 10
            Date Installed        : 2010-07-12
            Date Removed          : 
          Additional Information  : 
 
  6.02.01 Secondary Chain
          Wavelength          [nm]: 532
          Detector Type           : CSPAD
            Manufacturer          : Czech Technical University + Graz
            Model                 : SN980610/403
            Quantum Efficiency [%]: 20
            Nominal Gain          : 
            Rise Time         [ps]: 10
            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          : Graz
            Model                 : NO
            Date Installed        : 2010-08-01
            Date Removed          : 
            Amplitude Measurement : NO
            Return-Rate Controlled: NO
            Mode of Operation     : MULTI 
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : Latvia
            Model                 : A032-Event Timer
            Resolution        [ps]: 1
            Precision         [ps]: 10
            Date Installed        : 2010-07-12
            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)   : NIGHT
         Low Altitude (400-2000)  : NIGHT
         LAGEOS/LARES             : NIGHT
         GLONASS                  : NIGHT
         Etalon                   : NIGHT
         GNSS                     : NIGHT
         Geosynchronous           : NIGHT
         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]: 0
       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 00:00 UT
       Date Last Applicable       : 
       Additional Information     : 
 
 
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  8.   Calibration
 
  8.01 Calibration Type           : POST
       Target Location            : EXTERNAL
       Target Type                : FLAT SURFACE
       Target Structure           : METAL POLE
       Number of Targets          : 1
       Target Distance(s)      [m]: 188.725
         Date Measured            : 2002-03-25
         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]: 8
       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     : 
 
 
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  9.   Time and Frequency Standards
 
  9.01.01 Frequency Standard Type : QUARTZ
          Model                   : 58503A
          Manufacturer            : HP company
          Short Term Stab.  [e-12]: 5
          Long Term Stab.   [e-12]: 1
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 100
          Date Installed          : 1998-12-26
          Date Removed            : 
          Additional Information  : 
 
  9.02.01 GNSS Timing Rcvr Model  : HP58503A
          Manufacturer            : HP company
          Date Installed          : 1998-12-26
          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             : 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      : 1994-12-30 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : 
 
 
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 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     : 
 
 
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 12.   Meteorological Instrumentation
 
 12.01.01 Pressure Sensor Model   : PUT-200
          Manufacturer            : Vaisala, Finland
          Recording Interval      : PER PASS
          Accuracy          [mbar]: 0.5
          Height Diff to SRP   [m]: -1.2
          Distance from SRP    [m]: 
          Date Installed          : 1998-06-30 HH:MM UT
          Calibration Interval    : Every 2 years
          Date Removed            : 
          Additional Information  : 
 
 12.02.01 Temp Sensor Model       : HMP-450
          Manufacturer            : Vaisala, Finland
          Recording Interval      : Per Pass
          Accuracy         [deg C]: 0.1
          Date Installed          : 1998-06-30 HH:MM UT
          Calibration Interval    : Every 2 years
          Date Removed            : 
          Additional Information  : 
 
 12.03.01 Humidity Sensor Model   : HMP-450
          Manufacturer            : Vaisala, Finland
          Recording Interval      : Per Pass
          Accuracy       [% rel h]: 2.0
          Date Installed          : 1998-06-30 HH:MM UT
          Calibration Interval    : Every 2 years 
          Date Removed            : 
          Additional Information  : 
 
 
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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       : 1995-09-20
             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    : GNSS(Trimble NetR8)
          Instrumentation Status  : PERMANENT
          DOMES Number            : 21601M001
          CDP Number              : 
          Differential Components (ITRS)
            dx                 [m]: -16.5167 +- 0.0001
            dy                 [m]: 118.3174 +- 0.0001
            dz                 [m]: -146.2830 +- 0.000
            Date Measured         : 2011-10-20
            Determined by         : The Chinese Academy of Surveying and Mapping
          Date Installed          : 1995-09-15
          Date Removed            : 
          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                     : Chinese Academy of Surveying and mapping
       Mailing Address            : 28 Lianhuachi Road
                                  : 100830 Beijing,China
       Website                    : www.casm.ac.cn
       Primary Contact
         Contact Name             : Chunmei ZHAO
         Telephone (primary)      : 010-63881692
         Telephone (secondary)    : 010-63881323
         Fax                      : 010-63880804
         E-mail                   : zcm@casm.ac.cn 
       Secondary Contact
         Contact Name             : Zhengbin HE
         Telephone (primary)      : 010-63881323
         Telephone (secondary)    : 010-63881309
         Fax                      : 010-63880804
         E-mail                   : hezb@casm.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   : N.A.
       Hardcopy on File
         Site Map                 : NO
         Site Diagram             : NO
         Horizon Mask             : NO
         Monument Description     : NO
         Site Pictures            : NO
       Additional Information     : 
 
 
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