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Kunming: 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)    : Zhulian Li
       Preparer E-mail            : lzhl@ynao.ac.cn
       Date Prepared              : 2018-01-19
       Report Type                : UPDATE
       Format Version             : 3.0
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Kunming
       IERS DOMES Number          : 21609S002
       CDP Pad ID                 : 7820
       Subnetwork                 : WPLTN
       Description                : AZ EL INTERSECT
       Monument Description       : N.A.
       Monument Inscription       : N.A.
       Mark Description           : N.A.
       Date Installed             : 1989-05-20
       Date Removed               : (yyyy-mm-dd)
       Geologic Characteristic    : BEDROCK
       Additional Information     : (multiple lines)
 
 
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  2.   Site Location Information
 
       City or Town               : Kunming
       State or Province          : Yunnan Province
       Country                    : CHINA
       Tectonic Plate             : Eurasian
       Approximate Position
         X coordinate          [m]: -1281301.485
         Y coordinate          [m]: 5640724.424
         Z coordinate          [m]: 2682905.471
         Latitude            [deg]:   25.0298 N
         Longitude           [deg]:  102.7977 E
         Elevation             [m]:  1987.05
       Additional Information     : (multiple lines)
 
 
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  3.   General System Information
 
  3.01 System Name                : YNSLR
       4-Character Code           : KUNL
       CDP System Number          : 82
       CDP Occupation Number      : 01
       Eccentricity to SRP (if not identical with SRP)
         North                 [m]: (m +- m)
         East                  [m]: (m +- m)
         Up                    [m]: (m +- m)
         Date Measured            : (yyyy-mm-dd)
       Date Installed             : 1998-05-20
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
              
 
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  4.   Telescope Information
 
 4.01 Receiving Telescope Type   : CASSEGRAIN
        Aperture              [m]: 0.51
        Mount                    : AZ-EL
      Xmitting Telescope Type    : AZ-EL
        Aperture              [m]: 0.51
      Tracking Camera Type       : CMOS
        Model                    : C11440-22CU
        Manufacturer             : HAMAMATSU
        Field of View       [deg]: 0.4
        Minimum Magnitude   [mag]: 12.0
      Transmit/Receive Path      : SEPARATE
      Transmit/Receive Switch    : NONE
      Max Slew Rate Az    [deg/s]: 1.0
      Max Slew Rate El    [deg/s]: 1.0
      Max Used Tracking Rate Az  : 
      Max Used Tracking Rate El  : 
      Telescope Shelter          : SEALED DOME
      Daylight Filter Type       : SPECTRAL FILTER
      Dayl. Filt. Bandwidth  [nm]: 0.1
      Adjustable Attenuation     : NO
      Transmit Efficiency        : 0.50
      Receive Efficiency         : 0.50
      Date Installed             : 2015-05-17
      Date Removed               : (yyyy-mm-dd)
      Additional Information     : 
 
 
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  5.   Laser System Information
 
 5.01 Laser Type                 : ND:YAG
      Number of Amplifiers       : 1 Regenerative
      Primary Wavelength     [nm]: 1064
      Primary Maximum Energy [mJ]: N.A.
      Secondary Wavelength   [nm]: 532
      Secondary Max. Energy  [mJ]: 1.0 mJ @ 1 kHz
      Xmit Energy Adjustable     : NO
      Pulse Width (FWHM)     [ps]: <25
      Max. Repetition Rate   [Hz]: 1000
      Fullw. Beam Divergence  ["]: 12
      Final Beam Diameter     [m]: 0.1
      Eyesafe                    : NO
      Eyesafe Standard           : N.A.
      Date Installed             : 2009-09-07
      Date Removed               : (yyyy-mm-dd)
      Additional Information     : (multiple lines)
 
 
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  6.   Receiver System
 
 6.01.01 Primary Chain
         Wavelength          [nm]: 532
         Detector Type           : CSPAD
           Manufacturer          : PESO Consulting
           Model                 : TWC SPAD(SN980518/401)
           Quantum Efficiency [%]: 20
           Nominal Gain          :
           Rise Time         [ps]:1500
           Jitter (Single PE)[ps]:25
           Field of View      ["]: 40-60
           Date Installed        : 1999-02-28
           Date Removed          : (yyyy-mm-dd)
         Signal Processing       : CFD
           Manufacturer          : USA
           Model                 : TC454
           Date Installed        : (yyyy-mm-dd)
           Date Removed          : 2009-01-03
           Amplitude Measurement : N.A.
           Return-rate Controlled: (YES/NO)
           Mode of Operation     : Single to Multi Photons
         Time of Flight Observ.  : Event Epoch
           Manufacturer          : Latvia
           Model                 : A033-ET
           Resolution        [ps]: 1
           Precision         [ps]: <5
           Date Installed        : 2009-12-20
           Date Removed          : (yyyy-mm-dd)
         Additional Information  : (multiple lines)

 6.02.01 Secondary Chain
         Wavelength          [nm]: 532
         Detector Type           : MCP
           Manufacturer          : HAMAMATSU
           Model                 : R5916U-50
           Quantum Efficiency [%]: 10
           Nominal Gain          :
           Rise Time         [ps]:
           Jitter (Single PE)[ps]:
           Field of View      ["]: (minimum-maximum or fixed value)
           Date Installed        : (yyyy-mm-dd)
           Date Removed          : (yyyy-mm-dd)
         Signal Processing       : CFD
           Manufacturer          : USA
           Model                 : TC455
           Date Installed        : 2000-05-20
           Date Removed          : 2009-01-03
           Amplitude Measurement : NO
           Return-rate Controlled: (YES/NO)
           Mode of Operation     : Single to Multi Photons
         Time of Flight Observ.  : INTERVAL
           Manufacturer          : Stanford
           Model                 : 620
           Resolution        [ps]: 4
           Precision         [ps]: 30
           Date Installed        : 1998-05-20
           Date Removed          : (2009-12-20)
         Additional Information  : (multiple lines) 
 
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  7.   Tracking Capabilities
 
 7.01 Satellites
        Very Low Alt (<400 km)   : YES
        Low Altitude (400-2000)  : NIGHT and LIGHT
        Lageos                   : NIGHT and LIGHT
        GLONASS                  : NIGHT
        Etalon                   : NIGHT 
        GPS                      : NIGHT 
        Moon                     : NO
      Avge Pass Switch Time   [s]: 60
      Average values for Lageos
        Single Shot RMS      [mm]: 30
        # of Obs per NP          : >1000
        Use of Semi-trains       : NO
        # of Semi-train Tracks   : N.A.
      Range Gate Width       [ns]: 168
      Beam Pointing Accuracy  ["]: <5
      Angle Encoder Resolution["]:0.162
      Min. Tracking Elev.   [deg]: 10
      Operation
        Months per Year          : 8
        Days per Week            : 7
        Hours per Day            : 8
        Staff per Shift          : 2
        System Shared With       : NOTHING
        Time Allocated to SLR [%]: 90
        Remotely Controllable    : NO
      Date First Applicable      : 1998-05-20
      Date Last Applicable       : (yyyy-mm-dd)
      Additional Information     : (multiple lines)
 
 
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  8.   Calibration
 
 8.01 Calibration Type           : PRE+POST
      Target Location            : EXTERNAL
      Target Type                : CORNER CUBE
      Target Structure           : CONCRETE PIER
      Target Distance         [m]: 202.4988/707.1150/1.77738/2.442
        Date Measured            : 1998-01-01
        Accuracy (mm)        [mm]: <=1.0
        Verification             : (multiple lines)
      Return-rate Controlled     : YES
      Mode of Operation          : DON'T KNOW
      Average Cal Interval  [min]: 150
      Single Shot RMS        [mm]: 10
      Edit Criterion 1st Chain   : MANUAL
      Edit Criterion 2nd Chain   : 3.0 sigma
      Application of Cal Data    : AVERAGE
      Date Installed             : 1997-05-10
      Date Removed               : (yyyy-mm-dd)
      Additional Information     : calibration always has a minimum of
                                 : 300 returns 
 
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  9.   Time and Frequency Standards
 
 9.01.01 Frequency Standard Type : Oven Controlled Crystal Oscillator
         Model                   : 150 LPRS
         Manufacturer            : Absolute Time
         Short Term Stab.  [e-12]:
         Long Term Stab.   [e-12]: 2
         Time Reference          : GPS         
         Synchronization         : GPS
         Epoch Accuracy      [ns]: 20
         Date Installed          : 2001-10-19
         Date Removed            : (2013-04-07)
         Additional Information  : (multiple lines)

 9.01.02 Frequency Standard Type : Oven Controlled Crystal Oscillator
         Model                   : 620
         Manufacturer            : Stanford
         Short Term Stab.  [e-12]: 120
         Long Term Stab.   [e-12]: 50
         Time Reference          : GPS         
         Synchronization         : GPS
         Epoch Accuracy      [ns]: 20
         Date Installed          : 1999-05-01
         Date Removed            : 2000-10-18 
         Additional Information  : Frequency was on internal since
                                 : ranging operations began in Dec
                                 : 1998 until Oct 18, 2000. Previous
                                 : log has the wrong year for the
                                 : frequency change.

 9.01.03 Frequency Standard Type : Oven Controlled Crystal Oscillator
         Model                   : Meridian Precision GPS TimeBase
         Manufacturer            : EndRun
         Short Term Stab.  [e-12]: 0.1
         Long Term Stab.   [e-12]: 0.1
         Time Reference          : GPS
         Synchronization         : GPS
         Epoch Accuracy      [ns]: <100
         Date Installed          : 2017-04-13
         Date Removed            : (yyyy-mm-dd)
         Additional Information  : (multiple lines)
 
 9.02.01 GPS Timing Rcvr Model   : 150 LPRS
         Manufacturer            : Absolute Time
         Date Installed          : 1999-05-01
         Date Removed            : (yyyy-mm-dd)
         Additional Information  : (multiple lines)

 9.02.02 GPS Timing Rcvr Model   : 58503A
         Manufacturer            : HP
         Date Installed          : 1999-05-01
         Date Removed            : 2000-10-18
         Additional Information  : This unit failed in September
                                 : 2001 inducing large time biases.
                                 : This unit was replaced on Oct 18, 2000
                                 : by the 150 LPRS. 
 
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 10.   Preprocessing Information
 
10.01 On-site NP Generation      : YES
      Data Screening             : IRV+POLYNOMIAL
      Edit Criterion 1st Chain   : 2.5 SIGMA
      Edit Criterion 2nd Chain   : 2.5 SIGMA
      Upload interval            : DAILY
      Date First Applicable      : 1999-09-20
      Date Last Applicable       : (yyyy-mm-dd)
      Additional Information     : (multiple lines)
       
 
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 11.   Aircraft Detection
 
 11.01 Detection Type             : MOUNT OBSERVER 
       Date Installed             : (yyyy-mm-dd)
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : Observer uses CCD Camera
 
 
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 12.   Meteorological Instrumentation
 
12.01.01 Pressure Sensor Model   : Vantage Pro2
         Manufacturer            : Davis Instruments
         Recording Interval      : PER PASS
         Accuracy          [mbar]: 0.1
         Height Diff to SRP   [m]: 0.0
         Date Installed          : 2017-09-01
         Calibration Interval    : (YEARLY/MONTHLY/etc)
         Date Removed            : (yyyy-mm-dd hh:mm UT)
         Additional Information  : 

12.02.01 Temp Sensor Model       : Vantage Pro2
         Manufacturer            : Davis Instruments
         Recording Interval      : PER PASS
         Accuracy         [deg C]:  0.3
         Date Installed          : 2017-09-01
         Calibration Interval    : (YEARLY/MONTHLY/etc)
         Date Removed            : (yyyy-mm-dd hh:mm UT)
         Additional Information  : 

12.03.01 Humidity Sensor Model   : Vantage Pro2
         Manufacturer            : Davis Instruments
         Recording Interval      : PER PASS
         Accuracy       [% rel h]: 2
         Date Installed          : 2017-09-01
         Calibration Interval    : (YEARLY/MONTHLY/etc)
         Date Removed            : (yyyy-mm-dd hh:mm UT)
         Additional Information  : 
          
 
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 13.   Local Ties, Eccentricities, and Collocation Information
 
 13.01 Collocated Permanent Geodetic Systems
 
       GPS                        : IGS
         Date Installed           : 1998-06-16
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
       GLONASS                    : NO
         Date Installed           : (yyyy-mm-dd)
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
       DORIS                      : NO
         Date Installed           : (yyyy-mm-dd)
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
       PRARE                      : NO
         Date Installed           : (yyyy-mm-dd)
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
       VLBI                       : YES
         Date Installed           : (yyyy-mm-dd)
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
       Gravimeter                 : YES
         Date Installed           : (yyyy-mm-dd)
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
 
 
13.02.xx Local Ties from the SRP to Other Monuments or Systems on Site
  
         Monument Name           : 
         Instrumentation Type    : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/NONE)
         Instrumentation Status  : (PERMANENT/MOBILE)
         DOMES Number            : (XXXXXXXXX)
         CDP Number              : (XXXX)
         Differential Components (ITRS)
           dx                 [m]: (m +- m)
           dy                 [m]: (m +- m)
           dz                 [m]: (m +- m)
           Date Measured         : (yyyy-mm-dd hh:mm UT)
           Determined by         :
         Date Installed          : (yyyy-mm-dd hh:mm UT)
         Date Removed            : (yyyy-mm-dd hh:mm UT)
         Additional Information  : (multiple lines)

13.03.xx Eccentricities between Other Monuments on Site 

         From: Monument Name     :
               DOMES Number      : (XXXXXXXXX)
               CDP Number        : (XXXX)
         To:   Monument Name     :
               DOMES Number      : (XXXXXXXXX)
               CDP Number        : (XXXX)
         Differential Components (ITRS)
           dx                 [m]: (m +- m)
           dy                 [m]: (m +- m)
           dz                 [m]: (m +- m)
           Date Measured         : (yyyy-mm-dd hh:mm UT)
         Additional Information  : (multiple lines)
 
 
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 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : 2008-05-12 06:28 UT
       Event                      : EARTHQUAKE
       Additional Information     : (multiple lines)
 
 
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 15.   On-Site, Point of Contact Agency Information
 
      Agency                     : Yunnan Observatory
      Mailing Address            : Yunnan Observatory
                                 : Kunming 650011
                                 : Yunnan, CHINA
      Primary Contact
        Contact Name             : Zhulian Li
        Telephone (primary)      : 86-871-63920403-805
        Telephone (secondary)    : 86-871-63920823
        Fax                      : 86-871-63920599
        E-mail                   : lzhl@ynao.ac.cn
      Secondary Contact
        Contact Name             : Yuqiang Li
        Telephone (primary)      : 86-871-63920402
        Telephone (secondary)    : 86-871-63920823
        Fax                      : 86-871-63920599
        E-mail                   : lyq@ynao.ac.cn
      Additional Information     : (multiple lines)
 
 
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 16.   Responsible Agency (if different from 15.)
 
       Agency                     : (multiple lines)
       Mailing Address            : (multiple lines)
       Primary Contact
         Contact Name             :
         Telephone (primary)      :
         Telephone (secondary)    :
         Fax                      :
         E-mail                   :
       Secondary Contact
         Contact Name             :
         Telephone (primary)      :
         Telephone (secondary)    :
         Fax                      :
         E-mail                   :
       Additional Information     : (multiple lines)
 
 
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 17.   More Information
 
       URL for More Information   : N.A.
       Hardcopy on File
         Site Map                 : YES
         Site Diagram             : YES
         Horizon Mask             : YES
         Monument Description     : YES
         Site Pictures            : YES
       Additional Information     : (multiple lines)
 
 
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