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ILRS Home  Stations Site Listing Changchun
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Changchun: Site Log
Instructions and Update Site Log
You can use the hyperlinks to quickly get to the section of interest or you can scroll down to read them all.
Section: 0. FormSection: 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) : Fan Cunbo
Preparer E-mail : ccslr@public.cc.jl.cn
Date Prepared : 2009-07-21
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Changchun
IERS DOMES Number : 21611S001
CDP Pad ID : 7237
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 1983-01-01
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : BEDROCK
Additional Information : (multiple lines)
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2. Site Location Information
City or Town : Changchun
State or Province : Jilin
Country : China
Tectonic Plate : Eurasian
Approximate Position
X coordinate [m]: -2674377.0
Y coordinate [m]: 3757198.0
Z coordinate [m]: 4391503.0
Latitude [deg]: 43.7905 N
Longitude [deg]: 125.4433 E
Elevation [m]: 268.380
Additional Information : (multiple lines)
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3. General System Information
3.01 System Name : CHALAS
4-Character Code : CHAL
CDP System Number : 19
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0
East [m]: 0
Up [m]: 0
Date Measured : N.A.
Date Installed : 1988-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.60
Mount : AZ-EL
Xmitting Telescope Type : GALILEO
Aperture [m]: 0.15
Tracking Camera Type : ICCD
Model :
Manufacturer :
Field of View [deg]: 0.5
Minimum Magnitude [mag]: 14
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 20
Max Slew Rate El [deg/s]: 20
Max Used Tracking Rate Az : 30
Max Used Tracking Rate El : 30
Telescope Shelter : SEALED DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 0.3
Adjustable Attenuation : NO
Transmit Efficiency : (0.00...1.00)
Receive Efficiency : (0.00...1.00)
Date Installed : 1983-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 3
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 250
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 150
Xmit Energy Adjustable : NO
Pulse Width (FWHM) [ps]: 200
Max. Repetition Rate [Hz]: 20
Fullw. Beam Divergence ["]: 1-30
Final Beam Diameter [m]: 0.15
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 2007-04-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
5.02 Laser Type : ND:Vanadate, Diode Pumped
Number of Amplifiers : 1 Regenerative
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: N.A.
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 3.0 mJ @ 1 kHz
Xmit Energy Adjustable : NO
Pulse Width (FWHM) [ps]: <25
Max. Repetition Rate [Hz]: 10000
Fullw. Beam Divergence ["]: 82.5
Final Beam Diameter [m]: 0.06
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 2009-07-21
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 :
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: 25
Field of View ["]: (minimum-maximum or fixed value)
Date Installed : 1997-08-18
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Czech University of Technology
Model :
Date Installed : 1997-08-18
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Multi Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Hewlett-Packard
Model : 5370B
Resolution [ps]: 20
Precision [ps]: 35
Date Installed : 1992-01-01
Date Removed : 2006-10-23
Additional Information : For test A032-ET
6.01.02 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model :
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: 25
Field of View ["]: (minimum-maximum or fixed value)
Date Installed : 1997-08-18
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Czech University of Technology
Model :
Date Installed : 1997-08-18
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Multi Photons
Time of Flight Observ. : EVENT
Manufacturer : Latvian University
Model : A032-ET
Resolution [ps]: 1
Precision [ps]:
Date Installed : 2006-10-24
Date Removed : (yyyy-mm-dd)
Additional Information :
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : NIGHT
Low Altitude (400-2000) : NIGHT
Lageos : NIGHT
GLONASS : NIGHT
Etalon : NIGHT
GPS : NIGHT
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 15
# of Obs per NP : >3
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 200-6000
Beam Pointing Accuracy ["]: <5
Angle Encoder Resolution["]: 0.077
Min. Tracking Elev. [deg]: 5
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 8
Staff per Shift : 1
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 1997-08-18
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
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]: 1268.6215
Date Measured : 1997-06-28
Accuracy (mm) [mm]:
Verification : (multiple lines)
Return-rate Controlled : YES
Mode of Operation : FEW PHOTON
Average Cal Interval [min]: 150
Single Shot RMS [mm]: 10
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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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 : 1997-08-18
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
9.02.01 GPS Timing Rcvr Model : 58503A
Manufacturer : HP
Date Installed : 1997-08-18
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : IRV+POLYNOMIAL
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : DAILY
Date First Applicable : 1992-01-01
Date Last Applicable : (yyyy-mm-dd)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : NONE
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PASS
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: +0.2
Date Installed : 1997-08-18
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PASS
Accuracy [deg C]: 0.5
Date Installed : 1997-08-18
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PASS
Accuracy [% rel h]: 2
Date Installed : 1997-08-18
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : ASHTECH Z-XII3
Date Installed : 1998-05-16
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 : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : NO
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 : CHAN
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 21611M002
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: (m +- m)
dy [m]: (m +- m)
dz [m]: (m +- m)
Date Measured : (yyyy-mm-dd)
Determined by :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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14. Local Events Possibly Affecting Computed Position
14.01 Date : (yyyy-mm-dd hh:mm UT)
Event : (EARTHQUAKE/CONSTRUCTION/etc)
Additional Information : (multiple lines)
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15. On-Site, Point of Contact Agency Information
Agency : Changchun Observatory,NAOC,CAS
Mailing Address : Jingyue Lake
Changchun
Jilin, China
130117
Primary Contact
Contact Name : You Zhao
Telephone (primary) : 86-431-4517112
Telephone (secondary) :
Fax : 86-431-4513550
E-mail : youzhao@public.cc.jl.cn
Secondary Contact
Contact Name : Cunbo Fan
Telephone (primary) : 86-431-4511337
Telephone (secondary) :
Fax : 86-431-4513550
E-mail : ccslr@public.cc.jl.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 : WWW.CHO.AC.CN
Hardcopy on File
Site Map : (YES/NO)
Site Diagram : (YES/NO)
Horizon Mask : (YES/NO)
Monument Description : (YES/NO)
Site Pictures : (YES/NO)
Additional Information : (multiple lines)
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