International Laser Ranging Service

Cagliari: 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)    : Aldo Banni
       Preparer E-mail            : banni@ca.astro.it
       Date Prepared              : 2002-05-09
       Report Type                : UPDATE
       Site Log Format Version    : 2.0
       Site Log Revision          : 
 
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Cagliari
       IERS DOMES Number          : 12725S013
       CDP Pad ID                 : 7548
       Subnetwork                 : EUROLAS
       Description                : AZ EL INTERSECT
       Monument Description       : N.A.
       Monument Inscription       : N.A.
       Mark Description           : N.A.
       Date Installed             : 1992-07-16
       Date Removed               : 
       Geologic Characteristic    : BEDROCK
       Additional Information     : 
 
 
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  2.   Site Location Information
 
       City or Town               : Capoterra
       State or Province          : Cagliari
       Country                    : Italy
       Tectonic Plate             : Eurasian
       Local Time (UTC +/- hours) : 
       Approximate Position
         X coordinate          [m]: 4893449.6
         Y coordinate          [m]: 772685.5
         Z coordinate          [m]: 4004378.8
         Latitude            [deg]: 39.1361 N
         Longitude           [deg]: 8.9724 E
         Elevation             [m]: 206.4
       Survey Method              : 
       Date Measured              : 
       Additional Information     : 
 
 
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  3.   General System Information
 
  3.01 System Name                : CAGLAS
       4-Character Code           : CGLL
       CDP System Number          : 62
       CDP Occupation Number      : 01
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 
         East                  [m]: 
         Up                    [m]: 
         Date Measured            : 
       Date Installed             : 1992-07-16
       Date Removed               : 
       Additional Information     : 
 
 
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  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : CASSEGRAIN
         Aperture              [m]: 0.5
         Mount                    : AZ-EL
       Date Installed             : 
       Date Removed               : 
       Xmitting Telescope Type    : CASSEGRAIN
         Aperture              [m]: 0.5
       Date Installed             : 
       Date Removed               : 
       Tracking Camera Type       : NONE
         Model                    : 
         Manufacturer             : 
         Field of View       [deg]: 
         Minimum Magnitude   [mag]: 
       Date Installed             : 
       Date Removed               : 
       Transmit/Receive Path      : COMMON COUDE
       Transmit/Receive Switch    : PERFORATED MIRROR
       Max Slew Rate Az    [deg/s]: 6
       Max Slew Rate El    [deg/s]: 6
       Max Used Tracking Rate Az  : 6
       Max Used Tracking Rate El  : 6
       Telescope Shelter          : DOME
       Daylight Filter Type       : SPECTRAL FILTER
       Dayl. Filt. Bandwidth  [nm]: 0.3
       Adjustable Attenuation     : RECEIVE
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.70
       Receive Efficiency         : 0.35
       Date Installed             : 1993-10-05
       Date Removed               : 
       Additional Information     : Updating in progress
 
 
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  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 1
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: N.A.
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 80
       Xmit Energy Adjustable     : NO
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 100
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 100 - 200
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.2
       Eyesafe                    : NO
       Eyesafe Standard           : ANSI Z136.1
       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             : 1990-01-11
       Date Removed               : 
       Additional Information     : 
 
 
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  6.   Receiver System
 
  6.01.01 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : PMT
            Manufacturer          : Hamamatsu
            Model                 : R943-02
            Quantum Efficiency [%]: 20
            Nominal Gain          : 5e5
            Rise Time         [ps]: 3000
            Jitter (Single PE)[ps]: 90
            Field of View Diam ["]: 100
            Date Installed        : 1993-10-15
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Ortec
            Model                 : 584
            Date Installed        : 1994-05-14
            Date Removed          : 
            Amplitude Measurement : NO
            Return-Rate Controlled: NO
            Mode of Operation     : Single to Multi Photons
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 1987-09-30
            Date Removed          : 
          Additional Information  : HP5370B frequency source is internal
                                  : QUARTZ HP10811
 
  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)   : NIGHT
         Low Altitude (400-2000)  : NIGHT
         LAGEOS/LARES             : NIGHT
         GLONASS                  : NO
         Etalon                   : NO
         GNSS                     : NO
         Geosynchronous           : 
         Moon                     : NO
       Ave. Pass Switch Time   [s]: 120
       Average values for LAGEOS
         Single Shot RMS      [mm]: 35
         # of Obs per NP          : 10
         Use of Semi-trains       : NO
         # of Semi-train Tracks   : N.A.
       Range Gate Width       [ns]: 50000
       Beam Pointing Accuracy  ["]: 40
       Angle Encoder Resolution["]: 20
       Min. Tracking Elev.   [deg]: 10
       Laser Polarization @emitter: 
       Operation
         Months per Year          : 12
         Days per Week            : 5
         Hours per Day            : 6
         Staff per Shift          : 1
         System Shared With       : NOTHING
         Time Allocated to SLR [%]: 100
         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      : 1993-11-08 HH:MM UT
       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
       Number of Targets          : 
       Target Distance(s)      [m]: 120.073
         Date Measured            : 1992-07-16
         Accuracy             [mm]: 5
         Verification             : 
       Return-Rate Controlled     : YES
       Eye-Safe Method            : 
         Additional Information   : 
       Mode of Operation          : MULTI PHOTON
       Calibration performed      : 3
       Single Shot RMS        [mm]: 35
       Edit Criterion 1st Chain   : MANUAL
       Edit Criterion 2nd Chain   : N.A.
       Application of Cal Data    : AVERAGE
       Date Installed             : 
       Date Removed               : 
       Additional Information     : 
 
 
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  9.   Time and Frequency Standards
 
  9.01.01 Frequency Standard Type : Cesium
          Model                   : 5071A
          Manufacturer            : HP
          Short Term Stab.  [e-12]: 5
          Long Term Stab.   [e-12]: 0.01
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 1000
          Date Installed          : 1992-07-16
          Date Removed            : 
          Additional Information  : We have 2 cesiums. Prior
                                  : to July 14, 2000 frequency
                                  : input to HP5370 was the 
                                  : internal HP5370 oscillator. 
 
  9.01.02 Frequency Standard Type : Oven Controlled Crystal Oscillator
          Model                   : 10811
          Manufacturer            : HP
          Short Term Stab.  [e-12]: 
          Long Term Stab.   [e-12]: 500
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 1000
          Date Installed          : 1992-07-16
          Date Removed            : 2000-07-14
          Additional Information  : HP5370B frequency source is the
                                  : internal quartz HP10811.
 
  9.02.01 GNSS Timing Rcvr Model  : 9390-6010
          Manufacturer            : Datum
          Date Installed          : 1992-07-16
          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   : N.A.
       Upload interval            : DAILY
       Date First Applicable      : 1994-01-18 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : 
 
 
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 11.   Aircraft Detection
 
 11.01 Detection Type             : CAMERA
       Manufacturer/Provider      : 
       Automatic Laser Shutoff    : 
       Alarms Recorded            : 
       Hazard Distance        [km]: 
       Date Installed             : 
       Date Removed               : 
       Additional Information     : 
 
 
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 12.   Meteorological Instrumentation
 
 12.01.01 Pressure Sensor Model   : PTB100
          Manufacturer            : Vaisala
          Recording Interval      : EVERY MINUTE
          Accuracy          [mbar]: 0.1
          Height Diff to SRP   [m]: -10
          Distance from SRP    [m]: 
          Date Installed          : 1999-06-14 HH:MM UT
          Calibration Interval    : 
          Date Removed            : 
          Additional Information  : 
 
 12.02.01 Temp Sensor Model       : HMP35
          Manufacturer            : Vaisala
          Recording Interval      : EVERY MINUTE
          Accuracy         [deg C]: 0.1
          Date Installed          : 1999-06-14 HH:MM UT
          Calibration Interval    : 
          Date Removed            : 
          Additional Information  : 
 
 12.03.01 Humidity Sensor Model   : HMP35
          Manufacturer            : Vaisala
          Recording Interval      : (hh:mm:ss/PER PULSE/PER PASS/etc)
          Accuracy       [% rel h]: 3
          Date Installed          : 1999-06-14 HH:MM UT
          Calibration Interval    : 
          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                 : IGS+EUREF
             Date Installed       : 2001-07-11
             Date Removed         : 
             Additional Info      : TRIMBLE 4000SSI
 13.01.01.02 GNSS                 : IGS+EUREF
             Date Installed       : 1995-04-07
             Date Removed         : 2001-07-11
             Additional Info      : ROGUE SNR-8100
 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                 : NO
             Date Installed       : 
             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           : 7545
          Instrumentation Type    : SLR
          Instrumentation Status  : MOBILE
          DOMES Number            : 12725M002
          CDP Number              : 7545
          Differential Components (ITRS)
            dx                 [m]: 51.744 +- 0.006
            dy                 [m]: 90.556 +- 0.006
            dz                 [m]: -114.035 +- 0.006
            Date Measured         : 1997-07-04
            Determined by         : A. Banni
          Date Installed          : 
          Date Removed            : 
          Additional Information  : 
 
 13.03.01.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CAGL GPS
                DOMES Number      : 12725M003
                CDP Number        : 
          To:   Monument Name     : CDP 7545
                DOMES Number      : 12725M002
                CDP Number        : 7545
          Differential Components (ITRS)
            dx                 [m]: 19.022 +- 0.006
            dy                 [m]: 23.829 +- 0.006
            dz                 [m]: -40.977 +- 0.006
            Date Measured         : 1997-07-04
            Determined by         : A. Banni
          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                     : Astronomical Station of Cagliari
       Mailing Address            : Loc. Poggio dei Pini
                                  : 09012 CAPOTERRA - ITALY
       Website                    : 
       Primary Contact
         Contact Name             : Aldo Banni
         Telephone (primary)      : +39 070 71180 226
         Telephone (secondary)    : 
         Fax                      : +39 070 71180 222
         E-mail                   : banni@ca.astro.it
       Secondary Contact
         Contact Name             : Leonardo Mureddu
         Telephone (primary)      : +39 070 71180
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : mureddu@ca.astro.it
       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   : www.ca.astro.it/spaceg
       Hardcopy on File
         Site Map                 : YES
         Site Diagram             : YES
         Horizon Mask             : NO
         Monument Description     : NO
         Site Pictures            : YES
       Additional Information     : 
 
 
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