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
      Site Log Format Version    : 2.0
      Site Log Revision          : 


 1.   Identification of the Ranging System Reference Point (SRP)

      Site Name                  : Wrightwood (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.


 2.   Site Location Information

      City or Town               : Wrightwood
      State or Province          : California
      Country                    : USA
      Tectonic Plate             : Pacific/North American plate boundary
      Local Time (UTC +/- hours) : 
      Approximate Position
        X coordinate          [m]: N.A.
        Y coordinate          [m]: N.A.
        Z coordinate          [m]: N.A.
        Latitude            [deg]: 34.382 N
        Longitude           [deg]: 117.683 W
        Elevation             [m]: 2200
      Survey Method              : 
      Date Measured              : 
      Additional Information     : None


 3.   General System Information

 3.01 System Name                : OCTL
      4-Character Code           : OCTL
      CDP System Number          : 92
      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     : 


 4.   Telescope Information

 4.01 Receiving Telescope Type   : Ritche-Chretien
        Aperture              [m]: 1-m
        Mount                    : AZ-EL
      Date Installed             : 
      Date Removed               : 
      Xmitting Telescope Type    : Coude
        Aperture              [m]: 28-cm
      Date Installed             : 
      Date Removed               : 
      Tracking Camera Type       : TBD
        Model                    : 
        Manufacturer             : 
        Field of View       [deg]: 0.0287
        Minimum Magnitude   [mag]: 8
      Date Installed             : 
      Date Removed               : 
      Transmit/Receive Path      : COMMON 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  : N.A.
      Max Used Tracking Rate El  : N.A.
      Telescope Shelter          : DOME
      Daylight Filter Type       : SPECTRAL FILTER
      Dayl. Filt. Bandwidth  [nm]: 1
      Adjustable Attenuation     : BOTH TRANSMIT & RECEIVE
      Adjustable Field of View   : 
      Transmit Efficiency        : 58
      Receive Efficiency         : 50
      Date Installed             : 2005-MM-DD
      Date Removed               : N.A.
      Additional Information     : None
                                 : Max Used Tracking Rate Az: TBD
                                 : Max Used Tracking Rate El: TBD


 5.   Laser System Information

 5.01 Laser Type                 : ND:YAG
      Model                      : 
      Manufacturer               : 
      Number of Amplifiers       : 1
      Primary Wavelength     [nm]: 1064
      Primary Maximum Energy [mJ]: 600
      Secondary Wavelength   [nm]: 532
      Secondary Max. Energy  [mJ]: 250
      Xmit Energy Adjustable     : NO
        Additional Information   : 
      Pulse Width (FWHM)     [ps]: 7.86
      Max. Repetition Rate   [Hz]: 51
      Fullw. Beam Divergence  ["]: 5
        Theoretical Beam Div     : 
        Measured Beam Div        : 
          Method Used            : 
          Additional Information : 
      Final Beam Diameter     [m]: 27-cm X 26-cm
      Eyesafe                    : NO
      Eyesafe Standard           : ANSI 136.1
      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             : 2004-10-01
      Date Removed               : N.A.
      Additional Information     : None
                                 : Pulse Width: 7.86-nsprimary, 6.6-ns secondary


 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          : 1e5
           Rise Time         [ps]: N.A.
           Jitter (Single PE)[ps]: N.A.
           Field of View Diam ["]: N.A.
           Date Installed        : 2005-MM-DD
           Date Removed          : 
         Amplifier Type          : 
           Manufacturer          : 
           Model                 : 
           Gain                  : 
           Bandwidth             : 
           Date Installed        : 
           Date Removed          : 
           Additional Information: 
         Signal Processing       : TBD
           Manufacturer          : 
           Model                 : 
           Date Installed        : 
           Date Removed          : 
           Amplitude Measurement : YES
           Return-Rate Controlled: 
           Mode of Operation     : 
           Additional Information: 
         Time of Flight Observ.  : N.A.
           Manufacturer          : 
           Model                 : 
           Resolution        [ps]: 
           Precision         [ps]: 
           Date Installed        : 
           Date Removed          : 
         Additional Information  : Field of View Diam: TBD

 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  : 


 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                     : YES
      Ave. 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
      Beam Pointing Accuracy  ["]: 3
      Angle Encoder Resolution["]: 0.1 arc sec
      Min. Tracking Elev.   [deg]: 20
      Laser Polarization @emitter: 
      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 [%]: N.A.
        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      : 
      Date Last Applicable       : 
      Additional Information     : This system will be used primarily to 
                                 : validate our scintillation mitigation models.
                                 : Very Low Alt: 250-km high
                                 : Range Gate Width: ~20-ns
                                 : Time Allocated to SLR: TBD


 8.   Calibration

 8.01 Calibration Type           : 
      Target Location            : 
      Target Type                : 
      Target Structure           : 
      Number of Targets          : 
      Target Distance(s)      [m]: 
        Date Measured            : 
        Accuracy             [mm]: 
        Verification             : 
      Return-Rate Controlled     : 
      Eye-Safe Method            : 
        Additional Information   : 
      Mode of Operation          : 
      Calibration performed      : 
      Single Shot RMS        [mm]: 
      Edit Criterion 1st Chain   : 
      Edit Criterion 2nd Chain   : 
      Application of Cal Data    : 
      Date Installed             : 
      Date Removed               : 
      Additional Information     : 


 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]: 10000
         Long Term Stab.   [e-12]: 300
         Time Reference          : GPS
         Synchronization         : 
         Epoch Accuracy      [ns]: 20
         Date Installed          : 2004-MM-DD
         Date Removed            : 
         Additional Information  : Short Term Stab.: 10E-9 at 1 sec
                                 : Long Term Stab.: 3E-10 at 100 secs,
                                 :    1E-12 at 24 hours

 9.02.01 GNSS Timing Rcvr Model  : 
         Manufacturer            : 
         Date Installed          : 
         Date Removed            : 
         Additional Information  : 

 9.03.01 One-way System Calibration
         Date performed          : 
         Direction Calibrated    : 
         Additional Information  : 


10.   Preprocessing Information

10.01 On-site NP Generation      : NO
      Data Screening             : 
      Return-Rate Rejection      : 
      Edit Criterion 1st Chain   : 
      Edit Criterion 2nd Chain   : 
      Upload interval            : 
      Date First Applicable      : 
      Date Last Applicable       : 
      Additional Information     : 


11.   Aircraft Detection

11.01 Detection Type             : RADAR/LWIR camera
      Manufacturer/Provider      : 
      Automatic Laser Shutoff    : 
      Alarms Recorded            : 
      Hazard Distance        [km]: 
      Date Installed             : 
      Date Removed               : 
      Additional Information     : 


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
         Distance from SRP    [m]: 
         Date Installed          : 2004-MM-DD HH:MM UT
         Calibration Interval    : TBD
         Date Removed            : 
         Additional Information  : 

12.02.01 Temp Sensor Model       : QMH102
         Manufacturer            : Vaisala
         Recording Interval      : 1 Hz
         Accuracy         [deg C]: 1.0 deg
         Date Installed          : 2004-MM-DD HH:MM UT
         Calibration Interval    : TBD
         Date Removed            : 
         Additional Information  : 

12.03.01 Humidity Sensor Model   : QMH102
         Manufacturer            : Vaisala
         Recording Interval      : 1 Hz
         Accuracy       [% rel h]: 1%
         Date Installed          : 2004-MM-DD HH:MM UT
         Calibration Interval    : TBD
         Date Removed            : 
         Additional Information  : 


13.   Local Ties, Eccentricities, and Collocation Information

13.01 Collocated Permanent Geodetic Systems

13.01.01.01 GNSS                 : 
            Date Installed       : 
            Date Removed         : 
            Additional Info      : 
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  : 


14.   Local Events Possibly Affecting Computed Position

14.01 Date                       : 
      Event                      : 
      Additional Information     : 


15.   On-Site, Point of Contact Agency Information

      Agency                     : NASA JPL
      Mailing Address            : OCTL TM-29 
                                 : P.O. Box 367 
                                 : Wrightwood, CA 92397
      Website                    : 
      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
      Tertiary Contact
        Contact Name             : 
        Telephone (primary)      : 
        Telephone (secondary)    : 
        Fax                      : 
        E-mail                   : 
      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


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     : 


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.