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ILRS Home  Stations Site Listing Wrightwood
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Wrightwood: 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) : Keith E. Wilson
Preparer E-mail : kwilson@jpl.nasa.gov
Date Prepared : 2005-01-27
Report Type : NEW
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : OCTL
IERS DOMES Number : 49901S001
CDP Pad ID : 7040
Subnetwork : NASA
Description : AZ EL INTERSECT
Monument Description : None
Monument Inscription : N/A
Mark Description : N/A
Date Installed : N/A
Date Removed : N/A
Geologic Characteristic : BEDROCK
Additional Information : The OCTL is a laser communications system.
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2. Site Location Information
City or Town : Wrightwood
State or Province : California
Country : USA
Tectonic Plate : Pacific/North American plate boundary
Approximate Position
X coordinate [m]: N/A at this time
Y coordinate [m]: N/A at this time
Z coordinate [m]: N/A at this time
Latitude [deg]: 34.382 N
Longitude [deg]: 117.683 W
Elevation [m]: 2200
Additional Information : None
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3. General System Information
3.01 System Name : OCTL
4-Character Code : OCTL
CDP System Number : 7040
CDP Occupation Number : 9201
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 : None
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4. Telescope Information
4.01 Receiving Telescope Type : Ritche-Chretien
Aperture [m]: 1-m
Mount : AZ-EL
Xmitting Telescope Type : Coude
Aperture [m]: 28-cm
Tracking Camera Type : TBD
Model :
Manufacturer :
Field of View [deg]: 0.0287 deg
Minimum Magnitude [mag]: 8
Transmit/Receive Path : COUDE
Transmit/Receive Switch : POLARIZER
Max Slew Rate Az [deg/s]: 20 deg/sec
Max Slew Rate El [deg/s]: 5 deg/sec
Max Used Tracking Rate Az : TBD
Max Used Tracking Rate El : TBD
Telescope Shelter : DOME
Daylight Filter Type : SPECTRAL FILTER
Dayl. Filt. Bandwidth [nm]: 1-nm
Adjustable Attenuation : BOTH TRANSMIT & RECEIVE
Transmit Efficiency : 58%
Receive Efficiency : 50%
Date Installed : 2005
Date Removed : N/A
Additional Information : None
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5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064-nm
Primary Maximum Energy [mJ]: 600 mJ
Secondary Wavelength [nm]: 532-nm
Secondary Max. Energy [mJ]: 250-mJ
Xmit Energy Adjustable : No
Pulse Width (FWHM) [ps]: 7.86-nsprimary, 6.6-ns secondary
Max. Repetition Rate [Hz]: 51
Fullw. Beam Divergence ["]: 5 arc-sec
Final Beam Diameter [m]: 27-cm X 26-cm
Eyesafe : No
Eyesafe Standard : ANSI 136.1
Date Installed : 2004-10-01
Date Removed : N/A
Additional Information : None
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 1064-nm
Detector Type : InGaAs PD
Manufacturer : Thor Labs
Model : PDA 400
Quantum Efficiency [%]: N/A
Nominal Gain : 10E4
Rise Time [ps]: N/A
Jitter (Single PE)[ps]: N/A
Field of View ["]: TBD
Date Installed : 2005
Date Removed : (yyyy-mm-dd)
Signal Processing : TBD
Manufacturer :
Model :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : Yes
Return-rate Controlled: (YES/NO)
Mode of Operation : (MULTI/SINGLE/FEW PHOTON/DON'T KNOW)
Time of Flight Observ. : N/A
Manufacturer :
Model :
Resolution [ps]:
Precision [ps]:
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
6.02.01 Secondary Chain
Wavelength [nm]:
Detector Type : (PM/MCP/SPAD/etc))
Manufacturer :
Model :
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]:
Jitter (Single PE)[ps]:
Field of View ["]: (minimum-maximum or fixed value)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Signal Processing : (CFD/PEAK/etc)
Manufacturer :
Model :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : (YES/NO)
Return-rate Controlled: (YES/NO)
Mode of Operation : (MULTI/SINGLE/FEW PHOTON/DON'T KNOW)
Time of Flight Observ. : (INTERVAL/EVENT/STREAK CAMERA/etc)
Manufacturer :
Model :
Resolution [ps]:
Precision [ps]:
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : 250-km high
Low Altitude (400-2000) : Yes
Lageos : Yes
GLONASS : YES
Etalon : YES
GPS : YES
Moon : YES
Avge Pass Switch Time [s]: < 30 sec
Average values for Lageos
Single Shot RMS [mm]: N/A
# of Obs per NP : N/A
Use of Semi-trains : N/A
# of Semi-train Tracks : N/A
Range Gate Width [ns]: ~20-ns
Beam Pointing Accuracy ["]: 3 arc-sec
Angle Encoder Resolution["]: 0.1 arc sec
Min. Tracking Elev. [deg]: 20 deg.
Operation
Months per Year : 12
Days per Week : 6
Hours per Day : 12
Staff per Shift : 2
System Shared With : R&D & LIDAR
Time Allocated to SLR [%]: TBD
Remotely Controllable : NO
Date First Applicable : (yyyy-mm-dd hh:mm UT)
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : This system will be used primarily to
: validate our scintillation mitigation models.
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8. Calibration
8.01 Calibration Type : (PRE/POST/PRE+POST/REALTIME/etc)
Target Location : (INTERNAL/EXTERNAL/etc)
Target Type : (CORNER CUBE/FLAT SURFACE/etc)
Target Structure : (CONCRETE PIER/METAL POLE/WOODEN POLE/etc)
Target Distance [m]:
Date Measured : (yyyy-mm-dd)
Accuracy (mm) [mm]:
Verification : (multiple lines)
Return-rate Controlled : (YES/NO)
Mode of Operation : (MULTI/SINGLE/FEW PHOTON/DON'T KNOW)
Average Cal Interval [min]:
Single Shot RMS [mm]:
Edit Criterion 1st Chain : (ITERATIVE n.n SIGMA/MANUAL/NONE/etc)
Edit Criterion 2nd Chain : (ITERATIVE n.n SIGMA/MANUAL/NONE/N.A./etc)
Application of Cal Data : (AVERAGE/LINEAR FIT/etc)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : GPS time & frequency receiver
Model : XL-AK
Manufacturer : TrueTime
Short Term Stab. [e-12]: 10E-9 at 1 sec
Long Term Stab. [e-12]: 3E-10 at 100 secs, 1E-12 at 24 hours
Time Reference : GPS
Synchronization : (TV/GPS/FIBEROPTICS/TRAVEL/etc)
Epoch Accuracy [ns]: 20 ns
Date Installed : 2004
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
9.02.01 GPS Timing Rcvr Model :
Manufacturer :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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10. Preprocessing Information
10.01 On-site NP Generation : NO
Data Screening : (IRV+POLYNOMIAL/POLYNOMIAL/NUM.INT/etc)
Edit Criterion 1st Chain : (ITERATIVE n.n SIGMA/MANUAL/NONE/etc)
Edit Criterion 2nd Chain : (ITERATIVE n.n SIGMA/MANUAL/NONE/etc)
Upload interval : (AFTER EACH PASS/HOURLY/AFTER EACH SHIFT/
DAILY/etc)
Date First Applicable : (yyyy-mm-dd hh:mm UT)
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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11. Aircraft Detection
11.01 Detection Type : RADAR/LWIR camera
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : PTB220
Manufacturer : Vaisala
Recording Interval : 1 Hz
Accuracy [mbar]: +/- 0.15 hPa
Height Diff to SRP [m]: N/A
Date Installed : 2004
Calibration Interval : TBD
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : QMH102
Manufacturer : Vaisala
Recording Interval : 1 Hz
Accuracy [deg C]: 1.0 deg
Date Installed : 2004
Calibration Interval : TBD
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : QMH102
Manufacturer : Vaisala
Recording Interval : 1 Hz
Accuracy [% rel h]: 1%
Date Installed : 2004
Calibration Interval : TBD
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.04.01 Wind Direction/Velocity Sensor: WS425STDH
Manufacturer : Vaisala
Recording Interval [hms]: 1 Hz
Accuracy []: 1 mph
Date Installed : 2004
Calibration Interval : TBD
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : TMF weather information is retrieved from
website http://tmfwx.jpl.nasa.gov
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : (NO/IGS/EUREF/etc)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
GLONASS : (NO/IGEX/IGLOS/etc)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
DORIS : (YES/NO)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
PRARE : (YES/NO)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : (YES/NO)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : (NO/SUPERCONDUCTING/ABSOLUTE/EARTH TIDE/etc)
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.01 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)
13.03.01 Eccentricities Between Other Monuments on Site
From: Monument Name :
DOMES Number : (XXXXXXXXX)
CDP Number : (XXXX)
To: Monument Name :
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 :
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 : NASA JPL
Mailing Address : OCTL TM-29
: P.O. Box 367
: Wrightwood, CA 92397
Primary Contact
Contact Name : Keith E. Wilson
Telephone (primary) : 760-249-6087
Telephone (secondary) : 760-249-3650
Fax : 760-249-6196
E-mail : kwilson@jpl.nasa.gov
Secondary Contact
Contact Name : Janet Wu
Telephone (primary) : 760-249-6087
Telephone (secondary) : 760-249-3650
Fax : 760-249-6196
E-mail : janet.p.wu@jpl.nasa.gov
Additional Information : K. Wilson 818-354-9387
: J. Wu 818-354-2208
: K. Wilson
: JPL/Caltech
: MS 161-135,
: 4800 Oak Grove Dr.
: Pasadena, CA 91109-8099
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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
Site Diagram : YES
Horizon Mask : YES
Monument Description : NO
Site Pictures : YES
Additional Information : This information is available on an internal
: JPL website.
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