Site Log - Wuhan, China (7396)
ILRS Site and System Information Form
International Laser Ranging Service
0. Form
Prepared by (Full Name) : Jie Zhang
Preparer E-mail : zhangjie@asch.whigg.ac.cn
Date Prepared : 2023-02-09
Report Type : UPDATE
Site Log Format Version : 2.0
Site Log Revision : 2.0
1. Identification of the Ranging System Reference Point (SRP)
Site Name : JiuFeng
IERS DOMES Number : 21602S008
CDP Pad ID : 7396
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2017-06-21
Date Removed :
Geologic Characteristic : BEDROCK
Additional Information : The site is located in southeast of Wuhan,
: 25 km away from town. The SRP is center of
: the cross between azimuth and elevation
: rotating shaft
2. Site Location Information
City or Town : Wuhan
State or Province : Hubei
Country : China
Tectonic Plate : Eurasian
Local Time (UTC +/- hours) : 8
Approximate Position
X coordinate [m]: -2279755.840887
Y coordinate [m]: 5004737.428914
Z coordinate [m]: 3219791.659741
Latitude [deg]: 30.515667 N
Longitude [deg]: 114.490167 E
Elevation [m]: 76.7
Survey Method : ITRF2020
Date Measured : 2022-07-22
Additional Information : The site is located at the top of the
: Jiufeng hill
3. General System Information
3.01 System Name : JiuFeng
4-Character Code : JFNL
CDP System Number : 47
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]:
East [m]:
Up [m]:
Date Measured :
Date Installed :
Date Removed :
Additional Information :
4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 1
Mount : AZ-EL
Date Installed : 2017-06-21
Date Removed :
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.2
Date Installed : 2017-06-21
Date Removed :
Tracking Camera Type : CCD
Model : WAT-910HX
Manufacturer : Watec/Japan
Field of View [deg]: 0.04
Minimum Magnitude [mag]: 13
Date Installed : 2017-06-21
Date Removed :
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 1
Max Slew Rate El [deg/s]: 0.5
Max Used Tracking Rate Az : 5
Max Used Tracking Rate El : 2
Telescope Shelter : DOME
Daylight Filter Type : Oven controlled spectral filter
Dayl. Filt. Bandwidth [nm]: 0.15
Adjustable Attenuation : NO
Adjustable Field of View :
Transmit Efficiency : 95
Receive Efficiency : 90
Date Installed : 2017-06-21
Date Removed :
Additional Information :
5. Laser System Information
5.01 Laser Type : ND:YAG
Model : Sagittar
Manufacturer : Daheng Optics
Number of Amplifiers : 3
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: N.A.
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 1.5
Xmit Energy Adjustable : NO
Additional Information :
Pulse Width (FWHM) [ps]: 38
Max. Repetition Rate [Hz]: 4000
Fullw. Beam Divergence ["]: 108
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.0017
Eyesafe : NO
Eyesafe Standard : N.A.
Polarization on Exit : LINEAR
Laser Fire Control : CONTROLLED
Laser Energy Monitor : NONE
Start Diode Type : Silicon
Manufactorer : thorlabs
Model : FDS025
Quantum Efficiency [%]:
Rise/Fall Time [ps]: 47/240
Date Installed : 2023-02-09
Date Removed :
Signal Processing :
Manufacturer :
Model :
Date Installed :
Date Removed :
Additional Information :
Date Installed : 2023-02-09
Date Removed :
Additional Information :
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]: 1500
Jitter (Single PE)[ps]: 25
Field of View Diam ["]: 50
Date Installed : 2018-09-10
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
Signal Processing : Time Walk Compensated
Manufacturer : Czech University of Technology
Model :
Date Installed :
Date Removed :
Amplitude Measurement : YES
Return-Rate Controlled: NO
Mode of Operation : Single to Multi Photons
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : Latvian University
Model : A033-ET
Resolution [ps]: 1
Precision [ps]: 5
Date Installed : 2018-09-10
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 :
7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : NIGHT
Low Altitude (400-2000) : NIGHT
LAGEOS/LARES : NIGHT
GLONASS : NIGHT
Etalon : NIGHT
GNSS : NIGHT
Geosynchronous : NIGHT
Moon : NO
Ave. Pass Switch Time [s]: 25
Average values for LAGEOS
Single Shot RMS [mm]: 14
# 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 ["]: 2
Angle Encoder Resolution["]: 0.1
Min. Tracking Elev. [deg]: 5
Laser Polarization @emitter: UNKNOWN
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 8
Staff per Shift : 2
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 :
Date Last Applicable :
Additional Information :
8. Calibration
8.01 Calibration Type : HOURLY
Target Location : INTERNAL
Target Type : 2 diffuse aluminum sheet, 2 attenuation lens
Target Structure : METAL POLE
Number of Targets : 1
Target Distance(s) [m]: 2.339
Date Measured : 2018-10-25
Accuracy [mm]: 2
Verification :
Return-Rate Controlled : NO
Eye-Safe Method : NO
Additional Information :
Mode of Operation : FEW PHOTON
Calibration performed : HOUR
Single Shot RMS [mm]: 6
Edit Criterion 1st Chain : ITERATIVE 2.2 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 2018-09-10
Date Removed :
Additional Information : low temperature drift coaxial-cable for echo
9. Time and Frequency Standards
9.01.01 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 : UTC
Epoch Accuracy [ns]: 50
Date Installed : 2020-08-31
Date Removed :
Additional Information :
9.02.01 GNSS Timing Rcvr Model : Meridian Precision GPS TimeBase
Manufacturer : EndRun
Date Installed : 2020-08-31
Date Removed :
Additional Information :
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 : Polyfit fit + orbit solve
Return-Rate Rejection :
Edit Criterion 1st Chain : 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : DAILY
Date First Applicable : 2018-09-29 HH:MM UT
Date Last Applicable :
Additional Information :
11. Aircraft Detection
11.01 Detection Type : NONE
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed :
Date Removed :
Additional Information :
12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : PTU303
Manufacturer : Vaisala
Recording Interval : 10 minute
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: 0.5
Distance from SRP [m]: 5
Date Installed : 2018-09-10 HH:MM UT
Calibration Interval : YEARLY
Date Removed :
Additional Information :
12.02.01 Temp Sensor Model : PTU303
Manufacturer : Vaisala
Recording Interval : 10 minute
Accuracy [deg C]: 0.2
Date Installed : 2018-09-10 HH:MM UT
Calibration Interval : YEARLY
Date Removed :
Additional Information :
12.03.01 Humidity Sensor Model : PTU3
Manufacturer : Vaisala
Recording Interval : 10 minute
Accuracy [% rel h]: 1
Date Installed : 2018-09-10 HH:MM UT
Calibration Interval : YEARLY
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 : 2012-10-10
Date Removed :
Additional Info :
13.01.02.01 DORIS : YES
Date Installed : 2003-12-10
Date Removed :
Additional Info :
13.01.03.01 PRARE : NO
Date Installed :
Date Removed :
Additional Info :
13.01.04.01 VLBI : NO
Date Installed :
Date Removed :
Additional Info :
13.01.05.01 Gravimeter : SUPERCONDUCTING
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 : JFNG
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 21602M006
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 : JIUC
DOMES Number : 21602S007
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 :
Event :
Additional Information :
15. On-Site, Point of Contact Agency Information
Agency : APM, CAS
Mailing Address : 340 XuDong Rd, Wuhan 430077,
: Hubei, P.R. China
Website :
Primary Contact
Contact Name : Jie Zhang
Telephone (primary) : 086-027-87635361
Telephone (secondary) : 086-15802727112
Fax : 086-027-68881362
E-mail : zhangjie@asch.whigg.ac.cn
Secondary Contact
Contact Name : Bobi Peng
Telephone (primary) : 086-027-68881318
Telephone (secondary) : 086-13971347360
Fax : 086-027-68881362
E-mail : pengbibo@asch.whigg.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 :
Hardcopy on File
Site Map :
Site Diagram :
Horizon Mask :
Monument Description :
Site Pictures :
Additional Information :