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Shanghai: 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) : Yang Fumin
Preparer E-mail : yangfm@center.shao.ac.cn
Date Prepared : 2002-05-09
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Shanghai
IERS DOMES Number : 21605S001
CDP Pad ID : 7837
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 1983-03-19
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : SANDSTONES
Additional Information : The site is located in southwest
Shanghai, 30 km away from town.
SRP is center of 45 deg bending
mirror.
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2. Site Location Information
City or Town : Shanghai
State or Province : Shanghai
Country : P.R. Chinese
Tectonic Plate : Eurasian
Approximate Position
X coordinate [m]: -2831088.101
Y coordinate [m]: 4676203.354
Z coordinate [m]: 3275172.810
Latitude [deg]: 31.0975 N
Longitude [deg]: 121.1917 E
Elevation [m]: 29.023
Additional Information : The site is located by the
Sheshan hill
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3. General System Information
3.01 System Name : Shanghai
4-Character Code : SHAL
CDP System Number : 28
CDP Occupation Number : 05
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0
East [m]: 0
Up [m]: 0
Date Measured : N.A.
Date Installed : 1983-03-19
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.6
Mount : AZ-EL
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.15
Tracking Camera Type : ICCD
Model :
Manufacturer : China
Field of View [deg]: 0.3
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]: 1
Max Used Tracking Rate Az : 5
Max Used Tracking Rate El : 1
Telescope Shelter : DOME
Daylight Filter Type : Oven controlled spectral filter
Dayl. Filt. Bandwidth [nm]: 0.3
Adjustable Attenuation : NO
Transmit Efficiency : 0.60
Receive Efficiency : 0.51,0.1(3nm filter included)
Date Installed : 1983-3-19
Date Removed : (yyyy-mm-dd)
Additional Information : The filter is used in daylight tracking only
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5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: Not used for laser ranging
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 40
Xmit Energy Adjustable : NO
Pulse Width (FWHM) [ps]: 50~100
Max. Repetition Rate [Hz]: 8
Fullw. Beam Divergence ["]: 20
Final Beam Diameter [m]: 0.12
Eyesafe : NO
Eyesafe Standard : N.A.
Date Installed : 1995-10-01
Date Removed : (yyyy-mm-dd)
Additional Information : SFUR Passively Mode-locked laser
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model : 0402
Quantum Efficiency [%]: ~20
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: 30
Field of View ["]: 80
Date Installed : 1998-03-19
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model : 1998-03-19
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: NO
Mode of Operation : Single to Multi Photon
Time of Flight Observ. : INTERVAL
Manufacturer : Hewlett-Packard
Model : 5370B
Resolution [ps]: 20
Precision [ps]: 35
Date Installed : 1990-04-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : NIGHT
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : NIGHT
GPS : NIGHT
Moon : NO
Avge Pass Switch Time [s]: ~20
Average values for Lageos
Single Shot RMS [mm]: 16
# of Obs per NP : 40
Use of Semi-trains : YES
# of Semi-train Tracks : 3-4
Range Gate Width [ns]: 100-30000
Beam Pointing Accuracy ["]: 5
Angle Encoder Resolution["]: 1
Min. Tracking Elev. [deg]: 15
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 12~24
Staff per Shift : 1
System Shared With : NO
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 1983-11-07
Date Last Applicable : (yyyy-mm-dd)
Additional Information : Minimum Tracking Elevation
In north and west is 25 deg.
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL(short target within the dome)
Target Type : see additional information
Target Structure : Short CALIBR TARGET, see additional information
Target Distance [m]: 2.0
Date Measured : 2000-06-20
Accuracy (mm) [mm]: 1
Verification :
Return-rate Controlled : (YES/NO)
Mode of Operation : (MULTI/SINGLE/FEW PHOTON/DON'T KNOW)
Average Cal Interval [min]: 120 or more
Single Shot RMS [mm]: 8
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data :
Date Installed : 2000-06-20
Date Removed : (yyyy-mm-dd)
Additional Information : Target is made of a prism and a diffusor
to direct the beam into receiver.
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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 : 1997-10-01
Date Removed : (yyyy-mm-dd)
Additional Information :
9.02.01 GPS Timing Rcvr Model : 58503A
Manufacturer : HP
Date Installed : 1997-10-01
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 : Polyfit fit + orbit solve
Edit Criterion 1st Chain : 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : No
Date First Applicable : 1983-11-07
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 : No limit to laser transmit in the area of
the station, because there are few aircraft
and the transmitted laser energy is low.
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model :
Manufacturer : China
Recording Interval : PER PASS
Accuracy [mbar]: 0.3
Height Diff to SRP [m]: 2
Date Installed : 1999-09-01
Calibration Interval : EVERY FEW YEARS
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : Pressures compared with
local Met Office barometers
12.02.01 Temp Sensor Model :
Manufacturer : China
Recording Interval : PER PASS
Accuracy [deg C]: 0.3
Date Installed : 1990-04-01
Calibration Interval : EVERY FEW YEARS
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : Temperatures compared with local Met
office readings
12.03.01 Humidity Sensor Model :
Manufacturer : China
Recording Interval : PER PASS
Accuracy [% rel h]: 3
Date Installed : 1990-04-01
Calibration Interval : EVERY FEW YEARS
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : Humidity compared with local Met
office readings
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 1995-01-25
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 : YES
Date Installed : 1996-05-03
Date Removed : 1998-12-01
Additional Information : (multiple lines)
VLBI : YES
Date Installed : 1987-11-01
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)
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : None
Instrumentation Type : VLBI
Instrumentation Status : PERMANENT
DOMES Number : 21605S009
CDP Number : 7227
Differential Components (ITRS)
dx [m]: -598.854 +- 0
dy [m]: -469.637 +- 0
dz [m]: 154.972 +- 0
Date Measured : 1992
Determined by : Shanghai Obs.
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : JPL 4027-S
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 21605M002
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: -645.121 +- 0
dy [m]: -537.348 +- 0
dz [m]: 196.639 +- 0
Date Measured : 1997-01-01
Determined by : Shanghai Obs.
Date Installed : 1994-10-01
Date Removed : (yyyy-mm-dd)
Additional Information : The previous site log had the wrong
signs for Dx, Dy, Dz.
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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 : Shanghai Astronomical Observatory,
The Chinese Academy of Sciences
Mailing Address : Shanghai Observatory
80 Nandan Rd,Shanghai 200030
China
Primary Contact
Contact Name : Yang Fumin
Telephone (primary) : +86-021-64696290
Telephone (secondary) :
Fax : +86-021-64384618
E-mail : yangfm@center.shao.ac.cn
Secondary Contact
Contact Name : Zhang Zhongping
Telephone (primary) : +86 -021-64386191
Telephone (secondary) :
Fax : +86-021-64384618
E-mail : zzp@center.shao.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 : http:/center.shao.ac.cn/
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : NO
Additional Information : (multiple lines)
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