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Geochang: 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) : Hyung-Chul Lim
Preparer E-mail : hclim@kasi.re.kr
Date Prepared : 2017-09-25
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 : Geochang
IERS DOMES Number : 23910S001
CDP Pad ID : 7395
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2017-08-11
Date Removed :
Geologic Characteristic : BEDROCK
Additional Information :
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2. Site Location Information
City or Town : Geochang
State or Province : Gyeongsangnam-do
Country : Republic of Korea
Tectonic Plate : Eurasian
Local Time (UTC +/- hours) : 9
Approximate Position
X coordinate [m]: -3191636.0592
Y coordinate [m]: 4096876.3799
Z coordinate [m]: 3691851.3765
Latitude [deg]: 35.5902 N
Longitude [deg]: 127.9201 E
Elevation [m]: 934.063
Survey Method :
Date Measured :
Additional Information :
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3. General System Information
3.01 System Name : Geochang
4-Character Code : GEOL
CDP System Number : 65
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]:
East [m]:
Up [m]:
Date Measured : N.A.
Date Installed : 2017-08-11
Date Removed :
Additional Information :
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4. Telescope Information
4.01 Receiving Telescope Type : Confocal paraboloid (Mersenne)
Aperture [m]: 1.0
Mount : AZ-EL
Date Installed : 2017-08-11
Date Removed :
Xmitting Telescope Type : Confocal paraboloid (Mersenne)
Aperture [m]: 1.0
Date Installed : 2017-08-11
Date Removed :
Tracking Camera Type : CCD
Model : HAWK EM247
Manufacturer : Texas Instruments
Field of View [deg]: 0.5
Minimum Magnitude [mag]:
Date Installed : 2017-08-11
Date Removed :
Transmit/Receive Path : COMMON COUDE
Transmit/Receive Switch : ROTATING MIRROR
Max Slew Rate Az [deg/s]: 30
Max Slew Rate El [deg/s]: 15
Max Used Tracking Rate Az : 30
Max Used Tracking Rate El : 15
Telescope Shelter : DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 2.0
Adjustable Attenuation : TRANSMIT
Adjustable Field of View : YES:8
Transmit Efficiency : 0.75
Receive Efficiency : 0.35
Date Installed : 2017-08-11
Date Removed :
Additional Information :
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5. Laser System Information
5.01 Laser Type : ND:YAG
Model : EOSSS
Manufacturer : EOS space systems
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: N.A.
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 15
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 9
Max. Repetition Rate [Hz]: 62
Fullw. Beam Divergence ["]: 8
Theoretical Beam Div : 8
Measured Beam Div : 8
Method Used :
Additional Information :
Final Beam Diameter [m]: 0.9
Eyesafe : NO
Eyesafe Standard :
Polarization on Exit : UNKNOWN
Laser Fire Control : CONTROLLE
Laser Energy Monitor : OCCASSIONAL
Start Diode Type :
Manufactorer : EOS Space Systems
Model : EOS Space Systems
Quantum Efficiency [%]:
Rise/Fall Time [ps]:
Date Installed : 2017-08-11
Date Removed :
Signal Processing :
Manufacturer : EOS Space System
Model :
Date Installed : 2017-08-11
Date Removed :
Additional Information :
Date Installed : 2017-08-11
Date Removed : N.A.
Additional Information :
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model :
Quantum Efficiency [%]: 20
Nominal Gain : N.A.
Rise Time [ps]: N.A.
Jitter (Single PE)[ps]: 20
Field of View Diam ["]: 8
Date Installed : 2017-08-11
Date Removed :
Amplifier Type :
Manufacturer : EOS Space S
Model :
Gain :
Bandwidth :
Date Installed : 2017-08-11
Date Removed :
Additional Information:
Signal Processing : Time Walk Internally CSPAD
Manufacturer : Graz design
Model :
Date Installed : 2017-08-11
Date Removed :
Amplitude Measurement : YES
Return-Rate Controlled: YES
Mode of Operation : SINGLE
Additional Information:
Time of Flight Observ. : EVENT
Manufacturer : PESO Consulting
Model : NPET Picosecond Event Timing and Time
: Transfer System
Resolution [ps]: 0.7
Precision [ps]: 10
Date Installed : 2017-08-11
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]: 60
Average values for LAGEOS
Single Shot RMS [mm]: 10
# of Obs per NP : 100
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 200 - 5200
Beam Pointing Accuracy ["]: 1.0
Angle Encoder Resolution["]:
Min. Tracking Elev. [deg]: 20
Laser Polarization @emitter: UNKNOWN
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 24
Staff per Shift : N.A.
System Shared With : Satellite Imaging
Time Allocated to SLR [%]: 88
Remotely Controllable : YES
Tracking Restrictions
Go/No-go flag :
Satellite Verification : NAME
Date Verified :
Maximum elevation : YES
Satellite Verification : NAME
Date Verified :
Pass segments :
Satellite Verification : NAME
Date Verified :
Schedule segments :
Satellite Verification : NAME
Date Verified :
Maximum laser power limit: YES
Satellite Verification : NAME
Date Verified :
Date First Applicable :
Date Last Applicable :
Additional Information :
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : CONCRETE PIER/METAL
Number of Targets : 1
Target Distance(s) [m]: 37.74
Date Measured : 2017-08-11
Accuracy [mm]: 0.1
Verification :
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : SINGLE PHOTON
Calibration performed : 90
Single Shot RMS [mm]: 3.5
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE per Normal Point Bin
Date Installed : 2017-08-11
Date Removed :
Additional Information :
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : Temperature-compensated Crystal Oscillator
Model : Meridian Precision GPS Timebase
Manufacturer : EndRun Technologies
Short Term Stab. [e-12]: 0.51
Long Term Stab. [e-12]: 1.0
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 10
Date Installed : 2017-08-11
Date Removed :
Additional Information :
9.02.01 GNSS Timing Rcvr Model : Meridian Precision GPS Timebase
Manufacturer : EndRun Technologies
Date Installed : 2017-08-11
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 : POLYNOMIAL
Return-Rate Rejection :
Edit Criterion 1st Chain : 2.5 SIGMA
Edit Criterion 2nd Chain : NONE
Upload interval : DAILY
Date First Applicable : 2017-10-01 HH:MM UT
Date Last Applicable :
Additional Information :
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11. Aircraft Detection
11.01 Detection Type : RADAR and IR Camera
Manufacturer/Provider : Radar & Space
Automatic Laser Shutoff : YES
Alarms Recorded :
Hazard Distance [km]: 40
Date Installed : 2017-08-11
Date Removed :
Additional Information :
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : PTB330
Manufacturer : Vaisala
Recording Interval : Every 10 Seconds
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: 0.0
Distance from SRP [m]: 7.0
Date Installed : 2017-08-11 HH:MM UT
Calibration Interval : Two yearly
Date Removed :
Additional Information :
12.02.01 Temp Sensor Model : HMP155
Manufacturer : Vaisala
Recording Interval : Every 10 Seconds
Accuracy [deg C]: 0.2
Date Installed : 2017-08-11 HH:MM UT
Calibration Interval : Two yearly
Date Removed :
Additional Information :
12.03.01 Humidity Sensor Model : HMP155
Manufacturer : Vaisala
Recording Interval : Every 10 Seconds
Accuracy [% rel h]: 1
Date Installed : 2017-08-11 HH:MM UT
Calibration Interval : Two 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 : REGINA
Date Installed : 2017-01-24
Date Removed :
Additional Info : The station name is GAMK.
13.01.01.02 GNSS :
Date Installed :
Date Removed :
Additional Info :
13.01.02.01 DORIS :
Date Installed :
Date Removed :
Additional Info :
13.01.03.01 PRARE :
Date Installed :
Date Removed :
Additional Info :
13.01.04.01 VLBI :
Date Installed :
Date Removed :
Additional Info :
13.01.05.01 Gravimeter :
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 :
Instrumentation Type :
Instrumentation Status :
DOMES Number :
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 :
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 : Korea Atronomy and Space Science Institute
Mailing Address : 776, Daedeokdae-ro, Yuseong-gu,
: Daejeon, 34055,
: Republic of Korea
Website : http://www.kasi.re.kr
Primary Contact
Contact Name : Hyung-Chul Lim
Telephone (primary) : +82-42-865-3235
Telephone (secondary) :
Fax : +82-42-861-5610
E-mail : hclim@kasi.re.kr
Secondary Contact
Contact Name : Sung-Yeol Yu
Telephone (primary) : +82-42-865-2053
Telephone (secondary) :
Fax : +82-42-861-5610
E-mail : syyu@kasi.re.kr
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://slr.re.kr
Hardcopy on File
Site Map : YES
Site Diagram : YES
Horizon Mask :
Monument Description :
Site Pictures :
Additional Information : The site map and diagram will
: be appeared soon.
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