Site Log - Kunming, China (7819)
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 : 2017-01-19
Report Type : UPDATE
Site Log Format Version : 2.0
Site Log Revision : 3.0
1. Identification of the Ranging System Reference Point (SRP)
Site Name : Kunming
IERS DOMES Number : 21609S004
CDP Pad ID : 7819
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2013-12-13
Date Removed :
Geologic Characteristic : BEDROCK
Additional Information :
2. Site Location Information
City or Town : Kunming
State or Province : Yunnan Province
Country : CHINA
Tectonic Plate : Eurasian
Local Time (UTC +/- hours) :
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
Survey Method :
Date Measured :
Additional Information :
3. General System Information
3.01 System Name : YNSLR
4-Character Code : KUN2
CDP System Number : 82
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]:
East [m]:
Up [m]:
Date Measured :
Date Installed : 2016-12-09
Date Removed :
Additional Information :
4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.51
Mount : AZ-EL
Date Installed :
Date Removed :
Xmitting Telescope Type : AZ-EL
Aperture [m]: 0.51
Date Installed :
Date Removed :
Tracking Camera Type : CMOS
Model : C11440-22CU
Manufacturer : HAMAMATSU
Field of View [deg]: 0.4
Minimum Magnitude [mag]: 12.0
Date Installed :
Date Removed :
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
Adjustable Field of View :
Transmit Efficiency : 0.50
Receive Efficiency : 0.50
Date Installed : 2015-05-17
Date Removed :
Additional Information :
5. Laser System Information
5.01 Laser Type : ND:YAG
Model :
Manufacturer :
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: N.A.
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 1.0
Xmit Energy Adjustable : NO
Additional Information :
Pulse Width (FWHM) [ps]: 25
Max. Repetition Rate [Hz]: 1000
Fullw. Beam Divergence ["]: 12
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.1
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 : 2009-09-07
Date Removed :
Additional Information :
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 Diam ["]: 40
Date Installed : 1999-02-28
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : USA
Model : TC454
Date Installed :
Date Removed : 2017-01-20
Amplitude Measurement : N.A.
Return-Rate Controlled:
Mode of Operation : Single to Multi Photons
Additional Information:
Time of Flight Observ. : Event Epoch
Manufacturer : Latvia
Model : A033-ET
Resolution [ps]: 1
Precision [ps]: 5
Date Installed : 2009-12-20
Date Removed :
Additional Information :
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 Diam ["]:
Date Installed :
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : CFD
Manufacturer : USA
Model : TC455
Date Installed : 2000-05-20
Date Removed : 2009-01-03
Amplitude Measurement : NO
Return-Rate Controlled:
Mode of Operation : Single to Multi Photons
Additional Information:
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 :
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) : YES
Low Altitude (400-2000) : NIGHT
LAGEOS/LARES : NIGHT
GLONASS : NIGHT
Etalon : NIGHT
GNSS : NIGHT
Geosynchronous : NIGHT
Moon : NO
Ave. 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
Laser Polarization @emitter:
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
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 : 1998-05-20 HH:MM UT
Date Last Applicable :
Additional Information :
8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL WITHIN DOME
Target Type : 1 Glas Surface, plus 1 diffuse reflector
Target Structure : CONCRETE PIER
Number of Targets :
Target Distance(s) [m]: 2.442
Date Measured : 2016-12-01
Accuracy [mm]: <=1.0
Verification : (multiple lines)
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : DON`T KNOW
Calibration performed : 150
Single Shot RMS [mm]: 10
Edit Criterion 1st Chain : MANUAL
Edit Criterion 2nd Chain : ITERATIVE 3.0 SIGMA
Application of Cal Data : AVERAGE
Date Installed : 2016-12-02
Date Removed :
Additional Information : calibration always has a minimum of
: 300 returns
8.02 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : CONCRETE PIER
Number of Targets :
Target Distance(s) [m]: 202.4988/707.1150/1.77738
Date Measured : 1998-01-01
Accuracy [mm]: <=1.0
Verification : (multiple lines)
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : DON`T KNOW
Calibration performed : 150
Single Shot RMS [mm]: 10
Edit Criterion 1st Chain : MANUAL
Edit Criterion 2nd Chain : ITERATIVE 3.0 SIGMA
Application of Cal Data : AVERAGE
Date Installed : 1997-05-10
Date Removed :
Additional Information : calibration always has a minimum of
: 300 returns
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 :
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 : 2016-04-13
Date Removed :
Additional Information :
9.02.01 GNSS Timing Rcvr Model : 150 LPRS
Manufacturer : Absolute Time
Date Installed : 1999-05-01
Date Removed : 2013-04-07
Additional Information :
9.02.02 GNSS 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.
9.03.01 One-way System Calibration
Date performed :
Direction Calibrated :
Additional Information :
10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : IRV+POLYNOMIAL
Return-Rate Rejection :
Edit Criterion 1st Chain : 2.5 SIGMA
Edit Criterion 2nd Chain : 2.5 SIGMA
Upload interval : DAILY
Date First Applicable : 1999-09-20 HH:MM UT
Date Last Applicable :
Additional Information :
11. Aircraft Detection
11.01 Detection Type : MOUNT OBSERVER
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed :
Date Removed :
Additional Information : Observer uses CCD Camera
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
Distance from SRP [m]:
Date Installed : 2016-09-01 HH:MM UT
Calibration Interval :
Date Removed :
Additional Information :
12.02.01 Temp Sensor Model : Vantage Pro2
Manufacturer : Davis Instruments
Recording Interval : PER PASS
Accuracy [deg C]: 0.3
Date Installed : 2016-09-01 HH:MM UT
Calibration Interval :
Date Removed :
Additional Information :
12.03.01 Humidity Sensor Model : Vantage Pro2
Manufacturer : Davis Instruments
Recording Interval : PER PASS
Accuracy [% rel h]: 2
Date Installed : 2016-09-01 HH:MM UT
Calibration Interval :
Date Removed :
Additional Information :
13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
13.01.01.01 GNSS : IGS
Date Installed : 1998-06-16
Date Removed :
Additional Info :
13.01.01.02 GNSS : NO
Date Installed :
Date Removed :
Additional Info :
13.01.02.01 DORIS : NO
Date Installed :
Date Removed :
Additional Info :
13.01.03.01 PRARE : NO
Date Installed :
Date Removed :
Additional Info :
13.01.04.01 VLBI : YES
Date Installed :
Date Removed :
Additional Info :
13.01.05.01 Gravimeter : YES
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 :
Instrumentation Type :
Instrumentation Status :
DOMES Number :
CDP Number :
Differential Components (ITRS)
dx [m]:
dy [m]:
dz [m]:
Date Measured :
Determined by :
Date Installed :
Date Removed :
Additional Information :
13.03.01.01 Eccentricities Between Other Monuments on Site
From: Monument Name :
DOMES Number :
CDP Number :
To: Monument Name :
DOMES Number :
CDP Number :
Differential Components (ITRS)
dx [m]:
dy [m]:
dz [m]:
Date Measured :
Determined by :
Additional Information :
14. Local Events Possibly Affecting Computed Position
14.01 Date : 2008-05-12 06:28 UT
Event : EARTHQUAKE
Additional Information :
15. On-Site, Point of Contact Agency Information
Agency : Yunnan Observatory
Mailing Address : Yunnan Observatory
: Kunming 650011
: Yunnan, CHINA
Website :
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
Tertiary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information :
16. Responsible Agency (if different from 15.)
Agency :
Mailing Address :
Primary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information :
17. More Information
URL for More Information : N.A.
Hardcopy on File
Site Map : YES
Site Diagram : YES
Horizon Mask : YES
Monument Description : YES
Site Pictures : YES
Additional Information :