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Koganei (CRL): 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) : Hiroo Kunimori
Preparer E-mail : kuni@crl.go.jp
Date Prepared : 2002-10-07
Report Type : NEW
Site Log Format Version : 2.0
Site Log Revision :
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Koganei
IERS DOMES Number : 21704S002
CDP Pad ID : 7308
Subnetwork : WPLTN
Description : Intersection of Axes of Telescope
Monument Description :
Monument Inscription :
Mark Description :
Date Installed : 1988-03-01
Date Removed :
Geologic Characteristic : N/A
Additional Information :
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2. Site Location Information
City or Town : Koganei
State or Province : Tokyo
Country : Japan
Tectonic Plate : North America
Local Time (UTC +/- hours) :
Approximate Position
X coordinate [m]: -3941941.0
Y coordinate [m]: 3368169.0
Z coordinate [m]: 3702195.0
Latitude [deg]: 35.710 N
Longitude [deg]: 139.489 E
Elevation [m]: 121.82
Survey Method :
Date Measured :
Additional Information :
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3. General System Information
3.01 System Name : CRL
4-Character Code : KOGC
CDP System Number : 50
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 :
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4. Telescope Information
4.01 Receiving Telescope Type : Coude
Aperture [m]: 1.5
Mount : AZ-EL
Date Installed :
Date Removed :
Xmitting Telescope Type : Coude
Aperture [m]: 1.5
Date Installed :
Date Removed :
Tracking Camera Type : CCD
Model : STV
Manufacturer : SBIG
Field of View [deg]: 0.0167
Minimum Magnitude [mag]: 10
Date Installed :
Date Removed :
Transmit/Receive Path : COMMON COUDE
Transmit/Receive Switch : N.A.
Max Slew Rate Az [deg/s]: 15
Max Slew Rate El [deg/s]: 15
Max Used Tracking Rate Az : 10
Max Used Tracking Rate El : 5
Telescope Shelter : Dome with Slit Shutter
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 0.3
Adjustable Attenuation : Both
Adjustable Field of View :
Transmit Efficiency : 0.3
Receive Efficiency : 0.1
Date Installed : 1988-03-01
Date Removed :
Additional Information : Transmit/Receive Switch: SHG Crysta
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5. Laser System Information
5.01 Laser Type : ND:YAG
Model :
Manufacturer :
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: N.A.
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 50
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 35
Max. Repetition Rate [Hz]: 20 nominal
Fullw. Beam Divergence ["]: 10
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: 1.5
Eyesafe : NO
Eyesafe Standard : JIS C6802
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 : 2002-09-20
Date Removed :
Additional Information : Maximum Energy: "not used for laser ranging"
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD
Manufacturer : EOS
Model : KSP
Quantum Efficiency [%]: 15
Nominal Gain : N.A.
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 20
Field of View Diam ["]: 40
Date Installed : 2002-09-20
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 : YES
Return-Rate Controlled: NO
Mode of Operation : Several Photons
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : EOS
Model : MRCS KSP
Resolution [ps]: N.A.
Precision [ps]: 15
Date Installed : 2002-09-20
Date Removed :
Additional Information : Jitter: "20ps or less"
: FOV: "40 (fixed)"
: Amplitude Measurement:"YES (Not calibrated)"
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 :
Moon : NO
Ave. 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["]: 0.3
Min. Tracking Elev. [deg]: 15
Laser Polarization @emitter:
Operation
Months per Year : 7
Days per Week : N.A.
Hours per Day : N.A.
Staff per Shift : 1
System Shared With : R&D
Time Allocated to SLR [%]: 40
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 : 2002-09-20 00:00 UT
Date Last Applicable :
Additional Information : Days per Week: "N/A (Campaign)"
: Hours per Day: "N/A (Campaign)"
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : METAL POLE
Number of Targets :
Target Distance(s) [m]: 10
Date Measured : 1990-07-01
Accuracy [mm]: 1.0
Verification : 1998-07-01
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : SINGLE/FEW PHOTON
Calibration performed : 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 : 1988-03-01
Date Removed :
Additional Information : Return Rate Controlled: "Approximately YES"
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : 10MHz from GPS receiver
Model : TrueTime XL-DC
Manufacturer : TrueTime
Short Term Stab. [e-12]: 10
Long Term Stab. [e-12]: N.A.
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 100
Date Installed : 2002-09-20
Date Removed :
Additional Information :
9.02.01 GNSS Timing Rcvr Model : TrueTime XL-DC
Manufacturer : TrueTime
Date Installed : 2002-09-20
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 : IRV+POLYNOMIAL
Return-Rate Rejection :
Edit Criterion 1st Chain : MANUAL
Edit Criterion 2nd Chain : ITERATIVE 2.5 SIGMA
Upload interval : DAILY
Date First Applicable : 1998-02-16 00:00 UT
Date Last Applicable :
Additional Information :
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11. Aircraft Detection
11.01 Detection Type : Radar
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed : 1997-03-31
Date Removed :
Additional Information :
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : GroWeather Pressure Sensor
Manufacturer : Davis Instruments
Recording Interval : Effectively PER PASS
Accuracy [mbar]: 0.3
Height Diff to SRP [m]: 1.0
Distance from SRP [m]:
Date Installed : 1998-04-01 00:00 UT
Calibration Interval : BI-YEARLY
Date Removed :
Additional Information : Three sensors to check each other
12.02.01 Temp Sensor Model : GroWeather Temp sensor
Manufacturer : Davis Instruments
Recording Interval : Effectively PER PASS
Accuracy [deg C]: 0.2
Date Installed : 1998-04-01 00:00 UT
Calibration Interval : BI-YEARLY
Date Removed :
Additional Information :
12.03.01 Humidity Sensor Model : GroWeather Humidity sensor
Manufacturer : Davis Instruments
Recording Interval : Effectively PER PASS
Accuracy [% rel h]: 2
Date Installed : 1998-04-01 00:00 UT
Calibration Interval : BI-YEARLY
Date Removed :
Additional Information :
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
13.01.01.01 GNSS : GSI network/CRL
Date Installed : 1998-01-01
Date Removed :
Additional Info :
13.01.02.01 DORIS : NO
Date Installed :
Date Removed :
Additional Info :
13.01.03.01 PRARE : NO
Date Installed :
Date Removed :
Additional Info :
13.01.04.01 VLBI : CRL Keystone 11m
Date Installed : 1994-10-01
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 : VLBI-CP0
Instrumentation Type : VLBI
Instrumentation Status : PERMANENT
DOMES Number : 21704S004
CDP Number : 7327
Differential Components (ITRS)
dx [m]: 82.6999 +- 0.002
dy [m]: 53.3244 +- 0.002
dz [m]: 44.2529 +- 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
13.02.02.01 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 : N.A.
Differential Components (ITRS)
dx [m]: 70.9489 +- 0.002
dy [m]: 58.7820 +- 0.002
dz [m]: 23.8533 +- 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
13.02.03.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : Koganei KSP
Instrumentation Type : SLR
Instrumentation Status : PERMANENT
DOMES Number : 21704M001
CDP Number : 7328
Differential Components (ITRS)
dx [m]: 78.8938 +- 0.002
dy [m]: 71.9503 +- 0.002
dz [m]: 4.6419 +- 0.002
Date Measured : 1997-10-06
Determined by : Kokusai Kogyo Co Ltd
Date Installed : 1998-03-01
Date Removed :
Additional Information : Koganei KSP SLR S2 piller
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 : Communications Research Lab.
Mailing Address : 4-2-1, Nukui-kita, Koganei,
: 184-8795 Japan
Website :
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 :
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://ksp.crl.go.jp/
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : NO
Additional Information :
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