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ILRS Home  Stations Site Listing Riyadh
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Riyadh: 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) : John Guilfoyle
Preparer E-mail : vernacular@bigpond.com
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 : SALRO
IERS DOMES Number : 20101S001
CDP Pad ID : 7832
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 1995-08-01
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : BEDROCK
Additional Information : (multiple lines)
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2. Site Location Information
City or Town : Riyadh
State or Province : Central
Country : Saudi Arabia
Tectonic Plate : Arabian
Approximate Position
X coordinate [m]: 3992101.1
Y coordinate [m]: 4192172.4
Z coordinate [m]: 2670410.5
Latitude [deg]: 24.9102 N
Longitude [deg]: 46.4004 E
Elevation [m]: 773
Additional Information : (multiple lines)
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3. General System Information
3.01 System Name : SALRO
4-Character Code : RIYL
CDP System Number : 55
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: (m +- m)
East [m]: (m +- m)
Up [m]: (m +- m)
Date Measured : (yyyy-mm-dd)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.73
Mount : AZ-EL
Xmitting Telescope Type : CASSEGRAIN
Aperture [m]: 0.75
Tracking Camera Type : ICCD
Model : P49636/A V3
Manufacturer : EEV Photon
Field of View [deg]: 0.07
Minimum Magnitude [mag]:
Transmit/Receive Path : COMMON COUDE
Transmit/Receive Switch : ROTATING MIRROR
Max Slew Rate Az [deg/s]: 10
Max Slew Rate El [deg/s]: 5
Max Used Tracking Rate Az : 10
Max Used Tracking Rate El : 5
Telescope Shelter : DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 0.15
Adjustable Attenuation : BOTH
Transmit Efficiency : (0.00...1.00)
Receive Efficiency : (0.00...1.00)
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
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]: 250
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 110
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 100
Max. Repetition Rate [Hz]: 12
Fullw. Beam Divergence ["]: 2.5
Final Beam Diameter [m]: 0.75
Eyesafe : NO
Eyesafe Standard : ANSI 136.1
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
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 :
Quantum Efficiency [%]: 7
Nominal Gain :
Rise Time [ps]: 1500
Jitter (Single PE)[ps]: 25
Field of View ["]: 16 - 64
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Multi Photons
Time of Flight Observ. : EVENT
Manufacturer : EOS
Model : V.3
Resolution [ps]: 5
Precision [ps]: 5
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : NO
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : YES
Moon : YES
Avge Pass Switch Time [s]: 120
Average values for Lageos
Single Shot RMS [mm]: 15
# of Obs per NP : 450
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 200 - 10,000
Beam Pointing Accuracy ["]: 1
Angle Encoder Resolution["]: 0.25
Min. Tracking Elev. [deg]: 20
Operation
Months per Year : 12
Days per Week : 5
Hours per Day : 10-12
Staff per Shift : 2
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : YES
Date First Applicable : 1995-08-01
Date Last Applicable : (yyyy-mm-dd)
Additional Information : (multiple lines)
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : CONCRETE PIER
Target Distance [m]: 200
Date Measured : 1995-08-01
Accuracy (mm) [mm]: 2
Verification : (multiple lines)
Return-rate Controlled : YES
Mode of Operation : Single to Multi Photons
Average Cal Interval [min]: 60
Single Shot RMS [mm]: 10
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 1995-08-01
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 : 2200
Manufacturer : Oscilloquartz
Short Term Stab. [e-12]:
Long Term Stab. [e-12]:
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 20
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
9.02.01 GPS Timing Rcvr Model :
Manufacturer : HP
Date Installed : 2000-04-01
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 : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : DAILY
Date First Applicable : 2000-11-08
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : MOUNT OBSERVER
Date Installed : 1992-01-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : 1720
Manufacturer : Qualimetrics/Weathertronics
Recording Interval : PER PULSE
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: +2
Date Installed : 1992-01-01
Calibration Interval : (YEARLY/MONTHLY/etc)
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : 5123-D
Manufacturer : Qualimetrics/Weathertronics
Recording Interval : PER PULSE
Accuracy [deg C]: 0.3
Date Installed : 1992-01-01
Calibration Interval : (YEARLY/MONTHLY/etc)
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : 5123-D
Manufacturer : Qualimetrics/Weathertronics
Recording Interval : PER PULSE
Accuracy [% rel h]: 3
Date Installed : 1992-01-01
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 : NO
Date Installed : (yyyy-mm-dd)
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 : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.xx Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name :
Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/NONE)
Instrumentation Status : (PERMANENT/MOBILE)
DOMES Number : (XXXXXXXXX)
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: (m +- m)
dy [m]: (m +- m)
dz [m]: (m +- m)
Date Measured : (yyyy-mm-dd)
Determined by :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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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 : Space Research Institute, KACST
Mailing Address : PO Box 6086, Riyadh 11442 Saudi Arabia
Primary Contact
Contact Name : Dr Atteih AlGhamdi
Telephone (primary) : +966 1 481 3325
Telephone (secondary) :
Fax : +966 1 481 3523
E-mail :
Secondary Contact
Contact Name : Turki Al-Saud
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : talsaud@kacst.edu.sa
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 : N.A.
Hardcopy on File
Site Map : (YES/NO)
Site Diagram : (YES/NO)
Horizon Mask : (YES/NO)
Monument Description : (YES/NO)
Site Pictures : (YES/NO)
Additional Information : (multiple lines)
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