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ILRS Home  Stations Site Listing Urumqi
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Urumqi: Site Log
Instructions and Update Site Log
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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) : Guo Tangyong
Preparer E-mail : whslr@public.wh.hb.cn, guoty@21cn.com
Date Prepared : 2003-04-20
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Urumqi (TROS) SLR Station
IERS DOMES Number : 21612M002
CDP Pad ID : 7355
Subnetwork : WPLTN
Description : MONUMENT
Monument Description : PILLAR
Monument Inscription : Urumqi SLR 7355 2001.4
Mark Description : Small hole
Date Installed : 1992
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : BEDROCK
Additional Information : (multiple lines)
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2. Site Location Information
City or Town : Urumqi
State or Province : Urumqi
Country : China
Tectonic Plate : Eurasian
Approximate Position
X coordinate [m]: 184592.121
Y coordinate [m]: 4606751.324
Z coordinate [m]: 4393756.553
Latitude [deg]: 43.81 N
Longitude [deg]: 87.71 E
Elevation [m]: 845.517
Additional Information : reference frame is WGS-84
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3. General System Information
3.01 System Name : TROS
4-Character Code : URUL
CDP System Number : 84
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: -40.4854 +- 0.002
East [m]: -15.4235 +- 0.002
Up [m]: -4.8704 +- 0.002
Date Measured : 2001-05-03
Date Installed : 1999-12-28
Date Removed : 2001-07-01
Additional Information : The eccs in the previous site
log had the wrong sign.
3.02 System Name : TROS
4-Character Code : URUL
CDP System Number : 84
CDP Occupation Number : 02
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 3.4911 +- 0.002
East [m]: 0.6144 +- 0.002
Up [m]: 0.9242 +- 0.002
Date Measured : 2003-04-18
Date Installed : 2003-04-15
Date Removed : (yyyy-mm-dd)
Additional Information : Eccs were converted from X,Y,Z
to NEU
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4. Telescope Information
4.01 Receiving Telescope Type : spherical REFRACTOR
Aperture [m]: 0.38
Mount : ALT-AZ
Xmitting Telescope Type : GALILEI
Aperture [m]: 0.10
Tracking Camera Type : ICCD
Model : M40
Manufacturer : YNGYC
Field of View [deg]: 0.04
Minimum Magnitude [mag]: 13
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 5
Max Slew Rate El [deg/s]: 5
Max Used Tracking Rate Az : 2
Max Used Tracking Rate El : 2
Telescope Shelter : SEALED DOME
Daylight Filter Type : Unknown
Dayl. Filt. Bandwidth [nm]: 0.3
Adjustable Attenuation : TRANSMIT
Transmit Efficiency : 0.38
Receive Efficiency : Unknown
Date Installed : 2000-08-20
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 : One Single-Lamp Power Amp
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: not used
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 15
Xmit Energy Adjustable : NO
Pulse Width (FWHM) [ps]: 30
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 10-60
Final Beam Diameter [m]: 0.07
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 2000-05-01
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 : EOS. Photocathode by PESO
Model : 0407
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]: <100
Jitter (Single PE)[ps]: 22
Field of View ["]: 120
Date Installed : 2000-05-01
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensation
Manufacturer : Graz
Model :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: 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 : 2000-02-01
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : YES
Moon : NO
Avge Pass Switch Time [s]: 20
Average values for Lageos
Single Shot RMS [mm]: 30
# of Obs per NP : 60
Use of Semi-trains : YES
# of Semi-train Tracks : 4
Range Gate Width [ns]: 10-10000
Beam Pointing Accuracy ["]: 5
Angle Encoder Resolution["]: 1
Min. Tracking Elev. [deg]: 12
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 7
Staff per Shift : 1
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 2000-01-15
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 : FLAT SURFACE
Target Structure : METAL POLE
Target Distance [m]: 0.560
Date Measured : 2000-02-01
Accuracy (mm) [mm]: 4
Verification : (multiple lines)
Return-rate Controlled : NO
Mode of Operation : DON'T KNOW
Average Cal Interval [min]: 180
Single Shot RMS [mm]: 15
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 2000-01-25
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 : 58503
Manufacturer : HP
Short Term Stab. [e-12]: 5
Long Term Stab. [e-12]: 1
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 150
Date Installed : 1999-07-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
9.02.01 GPS Timing Rcvr Model : HP58503
Manufacturer : HP
Date Installed : 1999-07-01
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 : MANUAL
Edit Criterion 2nd Chain : NONE
Upload interval : HOURLY
Date First Applicable : 2000-08-31
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : MOUNT OBSERVER
Date Installed : 1999-07-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : WUPTH
Manufacturer : C&D
Recording Interval : PER PASS
Accuracy [mbar]: ~ 0.8
Height Diff to SRP [m]: ~ -0.9
Date Installed : 2000-07-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : WUPTH
Manufacturer : C&D
Recording Interval [hms]: PER PASS
Accuracy [deg C]: 0.2
Date Installed : 2000-07-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : WUPTH
Manufacturer : C&D
Recording Interval [hms]: PER PASS
Accuracy [% rel h]: 4
Date Installed : 2000-07-01
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 : IGS
Date Installed : 1998-01-01
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 :
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : URUM IGS
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 21612M001
CDP Number : N/A
Differential Components (ITRS)
dx [m]: -8438.760 +- 0.0003
dy [m]: -100.121 +- 0.0019
dz [m]: 444.977 +- 0.0017
Date Measured : 2003-04-18
Determined by : China Seismological Bureau
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : The dx,dy,and dz are the value of marker 7355 minus
URUM IGS. The reference frame is WGS-84
13.03.01 Eccentricities Between Other Monuments on Site
From: Monument Name : SLR optical axes
DOMES Number : (XXXXXXXXX)
CDP Number : (XXXX)
To: Monument Name : URUM (IGS Pillar)
DOMES Number : 21612M001
CDP Number : N/A
Differential Components (ITRS)
dx [m]: -8439.444 +- 0.0005
dy [m]: -101.845 +- 0.0026
dz [m]: 448.136 +- 0.0024
Date Measured : 2003-04-18
Determined by : Institute of Seismology, China Seismological Bureau
Additional Information : This is the system reference point for TROS.
the dx,dy,and dz are the value of the intersection
minus URUM IGS.
The reference frame is WGS-84
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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 : Institute of Seismology, China Seismological Bureau
Mailing Address : No. 70 Central Xiao Hong Shan district,
Wuhan 430071, P.R. China
Primary Contact
Contact Name : SLR group
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : whslr@public.wh.hb.cn, guoty@21cn.com
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
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 :
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17. More Information
URL for More Information : (N.A.)
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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