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Shanghai: 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) : Zhang Zhongping
Preparer E-mail : zzp@shao.ac.cn
Date Prepared : 2023-11-13
Report Type : UPDATE
Site Log Format Version : 2.0
Site Log Revision : 2.1
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Shanghai
IERS DOMES Number : 21605S010
CDP Pad ID : 7821
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2005-07-10
Date Removed :
Geologic Characteristic : BEDROCK
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. China
Tectonic Plate : Eurasian
Local Time (UTC +/- hours) :
Approximate Position
X coordinate [m]: -2830744.471
Y coordinate [m]: 4676580.282
Z coordinate [m]: 3275072.816
Latitude [deg]: 31.0961 N
Longitude [deg]: 121.1866 E
Elevation [m]: 99.961
Survey Method :
Date Measured :
Additional Information : The site is located at the top of the
: Sheshan hill. Position epoch 2005/10/11.
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3. General System Information
3.01 System Name : Shanghai
4-Character Code : SHA2
CDP System Number : 28
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]:
East [m]:
Up [m]:
Date Measured : N.A.
Date Installed : 2005-07-10
Date Removed :
Additional Information :
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.6
Mount : AZ-EL
Date Installed :
Date Removed :
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.21
Date Installed :
Date Removed :
Tracking Camera Type : CCD
Model : 120N+
Manufacturer : Watec/Japan
Field of View [deg]: 0.2
Minimum Magnitude [mag]: 13
Date Installed :
Date Removed :
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 10
Max Slew Rate El [deg/s]: 3
Max Used Tracking Rate Az : 5
Max Used Tracking Rate El : 2
Telescope Shelter : DOME
Daylight Filter Type : Barr/USA
Dayl. Filt. Bandwidth [nm]: 0.15
Adjustable Attenuation : NO
Adjustable Field of View :
Transmit Efficiency : 0.50
Receive Efficiency : 0.15
Date Installed : 2012-07-10
Date Removed : 2013-12-18
Additional Information : The filter is used in daylight tracking only
4.02 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.6
Mount : AZ-EL
Date Installed :
Date Removed :
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.21
Date Installed :
Date Removed :
Tracking Camera Type : CCD
Model : 120N+
Manufacturer : Watec/Japan
Field of View [deg]: 0.1
Minimum Magnitude [mag]: 13
Date Installed :
Date Removed :
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 10
Max Slew Rate El [deg/s]: 3
Max Used Tracking Rate Az : 5
Max Used Tracking Rate El : 2
Telescope Shelter : SEALED DOME
Daylight Filter Type : Barr/USA
Dayl. Filt. Bandwidth [nm]: 0.15
Adjustable Attenuation : NO
Adjustable Field of View :
Transmit Efficiency : 0.50
Receive Efficiency : 0.15
Date Installed : 2013-12-18
Date Removed :
Additional Information : The first mirror and second mirror have been
: recoated with high reflective efficiency at
: wavelengths of 532nm and 1064nm
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5. Laser System Information
5.01 Laser Type : ND:YAG
Model :
Manufacturer :
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 2.0
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 1.0
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 20
Max. Repetition Rate [Hz]: 1000
Fullw. Beam Divergence ["]: 100
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.06
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 : 2009-09-01
Date Removed : 2019-08-10
Additional Information : Diode-Pumped Regenerative Amplifier Laser
5.02 Laser Type : ND:YAG
Model : Sagittar
Manufacturer : Daheng Optics Co,Ltd
Number of Amplifiers :
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 5
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 2
Xmit Energy Adjustable : NO
Additional Information :
Pulse Width (FWHM) [ps]: 45
Max. Repetition Rate [Hz]: 2000
Fullw. Beam Divergence ["]: 8 - 60
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.05
Eyesafe : NO
Eyesafe Standard :
Polarization on Exit : LINEAR
Laser Fire Control : SYNCRONISED TO UTC
Laser Energy Monitor : OCCASSIONAL
Start Diode Type : Silicon
Manufactorer : SHAO
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]: 500
Date Installed : 2015-10-14
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2019-08-11
Date Removed :
Additional Information :
5.03 Laser Type : ND:YAG
Model : Sagittar
Manufacturer : Daheng Optics Co,Ltd
Number of Amplifiers :
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 2
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 1
Xmit Energy Adjustable : NO
Additional Information :
Pulse Width (FWHM) [ps]: 20
Max. Repetition Rate [Hz]: 5000
Fullw. Beam Divergence ["]: 8 - 60
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.06
Eyesafe : NO
Eyesafe Standard :
Polarization on Exit : LINEAR
Laser Fire Control : SYNCRONISED TO UTC
Laser Energy Monitor : OCCASSIONAL
Start Diode Type : Silicon
Manufactorer : SHAO
Model :
Quantum Efficiency [%]:
Rise/Fall Time [ps]: 500
Date Installed : 2015-10-14
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2023-11-13
Date Removed :
Additional Information :
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : C-SPAD
Manufacturer : PESO Consulting/CZECH
Model : 0432
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: 20
Field of View Diam ["]: 80
Date Installed : 2013-01-14
Date Removed : 2013-11-25
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : PESO Consulting
Model :
Date Installed : 2013-01-14
Date Removed : 2013-11-25
Amplitude Measurement : NO
Return-Rate Controlled: NO
Mode of Operation : Single to Multi Photon
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : Latvia
Model : A033-Event Timer
Resolution [ps]: 1
Precision [ps]: 5
Date Installed : 2013-01-15
Date Removed :
Additional Information :
6.01.02 Primary Chain
Wavelength [nm]: 532
Detector Type : C-SPAD
Manufacturer : PESO Consulting/CZECH
Model : 0433
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: 20
Field of View Diam ["]: 60
Date Installed : 2013-11-25
Date Removed : 2019-04-09
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : PESO Consulting
Model :
Date Installed : 2013-11-25
Date Removed : 2019-04-09
Amplitude Measurement : NO
Return-Rate Controlled: NO
Mode of Operation : Single to Multi Photon
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : Latvia
Model :
Resolution [ps]: 1
Precision [ps]: 5
Date Installed : 2013-01-15
Date Removed : 2021-09-22
Additional Information :
6.01.03 Primary Chain
Wavelength [nm]: 532
Detector Type : Si-APD
Manufacturer : ECNU
Model : 6#
Quantum Efficiency [%]: 30
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: 30
Field of View Diam ["]: 20 - 60
Date Installed : 2021-04-10
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : N.A.
Manufacturer :
Model :
Date Installed :
Date Removed :
Amplitude Measurement : NO
Return-Rate Controlled: YES
Mode of Operation : Single
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : SHAO
Model : #1
Resolution [ps]: 1
Precision [ps]: 10
Date Installed : 2021-09-22
Date Removed :
Additional Information :
6.02.01 Secondary 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 :
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 :
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
LAGEOS/LARES : YES
GLONASS : YES
Etalon : YES
GNSS : YES
Geosynchronous : YES
Moon : NO
Ave. Pass Switch Time [s]: ~30
Average values for LAGEOS
Single Shot RMS [mm]: 5
# of Obs per NP : 2500
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 10 - 10000
Beam Pointing Accuracy ["]: 5
Angle Encoder Resolution["]: 0.14
Min. Tracking Elev. [deg]: 5
Laser Polarization @emitter:
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 8 - 24
Staff per Shift : 1
System Shared With : NO
Time Allocated to SLR [%]: 100
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 : 2005-09-01 HH:MM UT
Date Last Applicable :
Additional Information : Minimum Tracking Elevation is 15 deg
: in partial azimuths in east and west.
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL WITHIN DOME
Target Type : see additional information
Target Structure : Short CALIBR TARGET,
: see additional information
Number of Targets :
Target Distance(s) [m]: 2.537
Date Measured : 2015-11-14
Accuracy [mm]: 1
Verification :
Return-Rate Controlled : NO
Eye-Safe Method :
Additional Information :
Mode of Operation : SINGLE/MULTI PHOTON
Calibration performed : HOUR
Single Shot RMS [mm]: 8
Edit Criterion 1st Chain : ITERATIVE 2.2 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data :
Date Installed : 2005-07-20
Date Removed :
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 : 2005-07-10
Date Removed :
Additional Information :
9.01.02 Frequency Standard Type : Oven Controlled Crystal Oscillator
Model : Meridian
Manufacturer : Endrun
Short Term Stab. [e-12]: 0.1
Long Term Stab. [e-12]: 0.1
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 50
Date Installed : 2021-03-25
Date Removed :
Additional Information :
9.02.01 GNSS Timing Rcvr Model : 58503A
Manufacturer : HP
Date Installed : 2005-07-10
Date Removed :
Additional Information :
9.02.02 GNSS Timing Rcvr Model : Meridian
Manufacturer : EndRun
Date Installed : 2021-03-25
Date Removed :
Additional Information :
9.03.01 One-way System Calibration
Date performed :
Direction Calibrated :
Additional Information :
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10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : Polyfit fit + orbit solve
Return-Rate Rejection :
Edit Criterion 1st Chain : 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : No
Date First Applicable : 2005-09-01 HH:MM UT
Date Last Applicable :
Additional Information :
10.01 On-site NP Generation : YES
Data Screening : CPF+POLYNOMIAL
Return-Rate Rejection :
Edit Criterion 1st Chain : ITERATIVE 2.2 SIGMA
Edit Criterion 2nd Chain :
Upload interval : DAILY
Date First Applicable : 2021-07-22 HH:MM UT
Date Last Applicable :
Additional Information : Leading edge 20mm rejection criteria;
: For Lageos;
: Lageos1/2: LE,5mm RMS.
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11. Aircraft Detection
11.01 Detection Type : NONE
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed :
Date Removed :
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 : Vaisala PTU303
Manufacturer : Finland
Recording Interval : PER PASS
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: 2
Distance from SRP [m]:
Date Installed : 2005-07-10 HH:MM UT
Calibration Interval : EVERY FEW YEARS
Date Removed :
Additional Information : Pressures compared with
: local Met Office barometers
12.02.01 Temp Sensor Model : Vaisala
Manufacturer : Finland
Recording Interval : PER PASS
Accuracy [deg C]: 0.2
Date Installed : 2005-07-10 HH:MM UT
Calibration Interval : EVERY FEW YEARS
Date Removed :
Additional Information : Temperatures compared with local Met
: office readings
12.03.01 Humidity Sensor Model : Vaisala
Manufacturer : Finland
Recording Interval : PER PASS
Accuracy [% rel h]: 1
Date Installed : 2005-07-10 HH:MM UT
Calibration Interval : EVERY FEW YEARS
Date Removed :
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
13.01.01.01 GNSS : IGS
Date Installed : 1995-01-25
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 : YES
Date Installed : 1996-05-03
Date Removed : 1998-12-01
Additional Info :
13.01.04.01 VLBI : YES
Date Installed : 1987-11-01
Date Removed :
Additional Info :
13.01.05.01 Gravimeter : NO
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 : None
Instrumentation Type : VLBI
Instrumentation Status : PERMANENT
DOMES Number : 21605S009
CDP Number : 7227
Differential Components (ITRS)
dx [m]:
dy [m]:
dz [m]:
Date Measured :
Determined by :
Date Installed : 1987-11-01
Date Removed :
Additional Information :
13.02.02.01 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]: -989.067 +- 0
dy [m]: -914.341 +- 0
dz [m]: 296.587 +- 0
Date Measured : 2005-10-13
Determined by : Shanghai Obs.
Date Installed : 1995-01-25
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 :
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14. Local Events Possibly Affecting Computed Position
14.01 Date :
Event :
Additional Information :
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15. On-Site, Point of Contact Agency Information
Agency : Shanghai Astronomical Observatory,
: Chinese Academy of Sciences
Mailing Address : Shanghai Observatory
: 80 Nandan Rd,Shanghai 200030
: China
Website :
Primary Contact
Contact Name : Zhang Zhongping
Telephone (primary) : +86-21-34775214
Telephone (secondary) : +86-21-64696290
Fax : +86-21-64696290
E-mail : zzp@shao.ac.cn
Secondary Contact
Contact Name : Wu Zhibo
Telephone (primary) : +86-21-57653168
Telephone (secondary) : +86-21-57651448
Fax : +86-21-57651448
E-mail : wzb@shao.ac.cn
Tertiary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information :
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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 :
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17. More Information
URL for More Information : http://www.shao.ac.cn/
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : NO
Additional Information :
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