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ILRS Home  Stations Site Listing Koganei
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Koganei: 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) : Hiroo Kunimori
Preparer E-mail : kuni@crl.go.jp
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 : Koganei
IERS DOMES Number : 21704M001
CDP Pad ID : 7328
Subnetwork : WPLTN
Description : MONUMENT
Monument Description : PILLAR
Monument Inscription : Koganei_SLR-S2
Mark Description : Cross on Rotary sheet type reflective mirror
Date Installed : 1998-01-01
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : N/A
Additional Information : http://www2.crl.go.jp/t/team6/survey/2/09/koganei-1.pdf
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2. Site Location Information
City or Town : Koganei
State or Province : Tokyo
Country : Japan
Tectonic Plate : North American
Approximate Position
X coordinate [m]: -3941941.2442
Y coordinate [m]: 3368169.5209
Z coordinate [m]: 3702195.6779
Latitude [deg]: 35.7102 N
Longitude [deg]: 139.4879 E
Elevation [m]: 114.4
Additional Information : (multiple lines)
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3. General System Information
3.01 System Name : Koganei
4-Character Code : KOGL
CDP System Number : 71
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 9.5459 +- 0.002
East [m]: 29.0994 +- 0.002
Up [m]: 8.9843 +- 0.002
Date Measured : 1999-10-12
Date Installed : 1997-04-01
Date Removed : 2001-02-01
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : Coude
Aperture [m]: 0.75
Mount : AZ-EL
Xmitting Telescope Type : Coude
Aperture [m]: 0.75
Tracking Camera Type : CCD
Model : ST4
Manufacturer : SBIG/EOS
Field of View [deg]: 1/60
Minimum Magnitude [mag]: ~10
Transmit/Receive Path : COMMON COUDE
Transmit/Receive Switch : SHG Crystal
Max Slew Rate Az [deg/s]: 12
Max Slew Rate El [deg/s]: 12
Max Used Tracking Rate Az : 5
Max Used Tracking Rate El : 5
Telescope Shelter : SEALED DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 0.3
Adjustable Attenuation : Both
Transmit Efficiency : 0.24
Receive Efficiency : 0.06
Date Installed : 1997-04-01
Date Removed : 2001-02-01
Additional Information : (multiple lines)
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5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: not used for laser ranging
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 50
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 35
Max. Repetition Rate [Hz]: 20
Fullw. Beam Divergence ["]: 10
Final Beam Diameter [m]: 0.75
Eyesafe : NO
Eyesafe Standard : JIS C6802
Date Installed : 1997-04-01
Date Removed : 2001-02-01
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 : KSP
Quantum Efficiency [%]: 15
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]: <20
Field of View ["]: 40
Date Installed : 1997-04-01
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 1997-04-01
Date Removed :
Amplitude Measurement : YES
Return-rate Controlled: NO
Mode of Operation : Single to Multi Photons
Time of Flight Observ. : EVENT
Manufacturer : EOS
Model : MRCS KSP
Resolution [ps]:
Precision [ps]: 15
Date Installed : 1997-04-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : NIGHT
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 15
# of Obs per NP : 150
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 200-10000
Beam Pointing Accuracy ["]: 5
Angle Encoder Resolution["]: .3
Min. Tracking Elev. [deg]: 20
Operation
Months per Year : 10
Days per Week : 5
Hours per Day : 8
Staff per Shift : MOSTLY NONE
System Shared With : R&D
Time Allocated to SLR [%]:
Remotely Controllable : YES
Date First Applicable : 1998-02-16
Date Last Applicable : (yyyy-mm-dd)
Additional Information : Can not br remotely controlled due
to general safety
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : METAL POLE
Target Distance [m]: 10
Date Measured : 1997-07-01
Accuracy (mm) [mm]: 1.0
Verification : 1998-07-01
Return-rate Controlled : YES
Mode of Operation : Single to Multi Photons
Average Cal Interval [min]: 5
Single Shot RMS [mm]: 8
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : LINEAR FIT
Date Installed : 1998-01-01
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 : XL-DC 151-602-254
Manufacturer : TrueTime
Short Term Stab. [e-12]: 100
Long Term Stab. [e-12]: 1
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 100
Date Installed : 1997-04-01
Date Removed : (yyyy-mm-dd)
Additional Information : uses 10MHz from GPS receiver
9.02.01 GPS Timing Rcvr Model : XL-DC 151-602-254
Manufacturer : TrueTime
Date Installed : 1997-04-01
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, ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : DAILY
Date First Applicable : 1998-02-16
Date Last Applicable : (yyyy-mm-dd)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : EYESAFE LASER and MOUNT OBSERVER
Date Installed : 1998-12-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : RPT301A
Manufacturer : Nippon Electric Instruments
Recording Interval : PER PASS
Accuracy [mbar]: 0.3
Height Diff to SRP [m]: 0.1
Date Installed : 1997-04-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : Three sensors to check each other
12.02.01 Temp Sensor Model : 101+N59
Manufacturer : Nippon Electric Instruments
Recording Interval : PER PASS
Accuracy [deg C]: 0.1
Date Installed : 1997-04-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : Two sensors to check each other
12.03.01 Humidity Sensor Model : 35D+N59CV
Manufacturer : Nippon Electric Instruments
Recording Interval : PER PASS
Accuracy [% rel h]: 2
Date Installed : 1997-04-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : Two sensors to check each other
12.xx.xx xxxxxxx Sensor Model :
Manufacturer :
Recording Interval [hms]: (hh:mm:ss/PER PULSE/PER PASS/etc)
Accuracy []:
Date Installed : (yyyy-mm-dd hh:mm UT)
Calibration Interval : (YEARLY/MONTHLY/etc)
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+GSI+CRL
Date Installed : 1999-10-01
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 : IVS
Date Installed : 1994-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : another SLR at CRL 1.5m
installed 1988-03-01
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : VLBI-CP0
Instrumentation Type : VLBI
Instrumentation Status : PERMANENT
DOMES Number : 21704S004
CDP Number : 7327
Differential Components (ITRS)
dx [m]: 3.8061 m +- 0.002
dy [m]: -18.6259 m +- 0.002
dz [m]: 39.6110 m +- 0.002
Date Measured : 1999-10-12
Determined by : Kokusai Kogyo Co Ltd
Date Installed : 1994-10-01
Date Removed :
Additional Information : CRL Keystone 11 m antenna
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : SLR-PGPS
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 21704S005
CDP Number : not assigned
Differential Components (ITRS)
dx [m]: -7.9449 m +- 0.002
dy [m]: -13.1683 m +- 0.002
dz [m]: 19.2114 m +- 0.002
Date Measured : 1999-10-12
Determined by : Kokusai Kogyo Co Ltd
Date Installed : 1994-10-01
Date Removed :
Additional Information : Ashtech Z-XII with GEODETIC L1/L2
13.02.03 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : 1.5m-CP0
Instrumentation Type : SLR
Instrumentation Status : PERMANENT
DOMES Number : 21704S002
CDP Number : 7308
Differential Components (ITRS)
dx [m]: -78.8938 m +- 0.002
dy [m]: -71.9503 m +- 0.002
dz [m]: -4.6419 m +- 0.002
Date Measured : 1997-10-06
Determined by : Kokusai Kogyo Co Ltd
Date Installed : 1988-03-01
Date Removed :
Additional Information : CRL 1.5m telescope
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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 : Communications Research Lab.
Mailing Address : 4-2-1, Nukui-kita, Koganei,
184-8795 Japan
Primary Contact
Contact Name : Hiroo Kunimori
Telephone (primary) : +81 423-27-7559
Telephone (secondary) :
Fax : +81 423-27-6077
E-mail : kuni@crl.go.jp
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 : (multiple lines)
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17. More Information
URL for More Information : http://ksp.crl.go.jp/
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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