NASA will be performing network maintenance on Wednesday, November 20, 2024, between 11:00 AM EST and 1:00 PM EST (16:00 to 18:00 UTC). There will be two periods of about five minutes of disruption. During these peroids, the ILRS website will be unavailable during the outages. If you experience problems outside this window, contact support-cddis@nasa.gov.

close window
sitelog navigation structure General Site Log Meteorological Data LAGEOS Performance Satellite Data Info

Grasse (FTLRS): 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. 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)    : Francis Pierron
       Preparer E-mail            : francis.pierron@obs-azur.fr 
       Date Prepared              : 2009-04-16
       Report Type                : UPDATE
       Format Version             : 1.0
 
 
  Back to top
 
 
  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Grasse, France (mobile slr system )
       IERS DOMES Number          : 10002S017
       CDP Pad ID                 : 7829
       Subnetwork                 : EUROLAS
       Description                : AZ EL Intersect
       Monument Description       : N.A.
       Monument Inscription       : N.A.
       Mark Description           : N.A.
       Date Installed             : 2007-03-20
       Date Removed               : (yyyy-mm-dd)
       Geologic Characteristic    : BEDROCK
       Additional Information     : (multiple lines)
 
 
  Back to top
 
 
  2.   Site Location Information
 
       City or Town               : Grasse
       State or Province          : Alpes Maritime
       Country                    : France
       Tectonic Plate             : Eurasian
       Approximate Position
         X coordinate          [m]: 4581692.416
         Y coordinate          [m]:  556159.512
         Z coordinate          [m]: 4389357.755
         Latitude            [deg]: 43.75468 N
         Longitude           [deg]: 6.92112  E
         Elevation             [m]: 1321.3
       Additional Information     : XYZ coordinate system is ITRF2005 (epoc june 2007)
    
 
 
  Back to top
 
 
  3.   General System Information
 
  3.01 System Name                : FTLRS
       4-Character Code           : GRAF
       CDP System Number          : 69
       CDP Occupation Number      : 01
       Eccentricity to SRP 
         North                 [m]: 0.000 +- 0.001
         East                  [m]: 0.000 +- 0.001
         Up                    [m]: 0.000 +- 0.001
         Date Measured            : 2007-03-20
       Date Installed             : 2007-03-20
       Date Removed               : 2007-09-01
       Additional Information     : 
  
 3.02 System Name                : FTLRS
       4-Character Code           : GRAF
       CDP System Number          : 69
       CDP Occupation Number      : 02
       Eccentricity to SRP 
         North                 [m]: 0.000 +- 0.001
         East                  [m]: 0.000 +- 0.001
         Up                    [m]: 0.000 +- 0.001
         Date Measured            : 2008-05-01
       Date Installed             : 2008-05-01
       Date Removed               : 2008-07-05
       Additional Information     : 
  
 3.03 System Name                : FTLRS
       4-Character Code           : GRAF
       CDP System Number          : 69
       CDP Occupation Number      : 03
       Eccentricity to SRP 
         North                 [m]: 0.000 +- 0.001
         East                  [m]: 0.000 +- 0.001
         Up                    [m]: 0.000 +- 0.001
         Date Measured            : 2009-03-01
       Date Installed             : 2009-03-01
       Date Removed               : 
       Additional Information     : 
                                    
 
 
  Back to top
 
 
  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : CASSEGRAIN 
         Aperture              [m]: .13
         Mount                    : AZ-EL 
       Xmitting Telescope Type    : CASSEGRAIN
         Aperture              [m]: 0.13
       Tracking Camera Type       : CCD 
         Model                    : SV0500
         Manufacturer             : Digital vison technologie
         Field of View       [deg]: .066
         Minimum Magnitude   [mag]: 3
       Transmit/Receive Path      : COMMON
       Transmit/Receive Switch    : POLARIZER
       Max Slew Rate Az    [deg/s]:  30
       Max Slew Rate El    [deg/s]:  10
       Max Used Tracking Rate Az  :  20
       Max Used Tracking Rate El  :  10
       Telescope Shelter          :  TENT
       Daylight Filter Type       :  Interferential filter oven controled
       Dayl. Filt. Bandwidth  [nm]:  1.00
       Adjustable Attenuation     :  RECEIVE
       Transmit Efficiency        :  0.45
       Receive Efficiency         :  0.20
       Date Installed             :  1996-09-01
       Date Removed               :  NA
       Additional Information     : (multiple lines)
 
 
  Back to top
 
 
  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG 
       Number of Amplifiers       : 1 
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 60
       Secondary Wavelength   [nm]: NA
       Secondary Max. Energy  [mJ]: NA
       Xmit Energy Adjustable     : NO 
       Pulse Width (FWHM)     [ps]: 100
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 60
       Final Beam Diameter     [m]: .10
       Eyesafe                    : NO
       Eyesafe Standard           : ANSI 136.1 
       Date Installed             : 1995-11-01
       Date Removed               : 1997-11-01
       Additional Information     : On calibration, attenuated via 
                                  : amplifier delay. 
                                  : Amplifier is double pass. 
                                  : Xmit energy only adjusted for 
                                  : calibration.
 
 
  5.02 Laser Type                 : ND:YAG 
       Number of Amplifiers       : 1 
       Primary Wavelength     [nm]: 532
       Primary Maximum Energy [mJ]: 20
       Secondary Wavelength   [nm]: NA
       Secondary Max. Energy  [mJ]: NA
       Xmit Energy Adjustable     : YES 
       Pulse Width (FWHM)     [ps]: 35
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 30
       Final Beam Diameter     [m]: .10
       Eyesafe                    : NO
       Eyesafe Standard           : ANSI 136.1 
       Date Installed             : 2001-07-01
       Date Removed               : NA
       Additional Information     : On calibration, attenuated via 
                                  : amplifier delay and neutral density
                                  : Amplifier is double pass. 
 
 
  Back to top
 
 
  6.   Receiver System
  
   6.01   Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : CSPAD
            Manufacturer          : PESO Consulting
            Model                 : 
            Quantum Efficiency [%]: 5
            Nominal Gain          :
            Rise Time         [ps]: <2400
            Jitter (Single PE)[ps]: <20
            Field of View      ["]: 50
            Date Installed        : 2001-07-01
            Date Removed          : 
          Signal Processing       : Time Walk Compensation
            Manufacturer          : Graz
            Model                 : 
            Date Installed        : 2001-07-01
            Date Removed          : 
            Amplitude Measurement : NO
            Return-rate Controlled: YES
            Mode of Operation     : Few Photons
          Time of Flight Observ.  : INTERVAL 
            Manufacturer          : Stanford
            Model                 : 620
            Resolution        [ps]: 4
            Precision         [ps]: 30
            Date Installed        : 2001-07-01
            Date Removed          : (yyyy-mm-dd)
          Additional Information  : (multiple lines) 
 
 6.02     Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : CSPAD
            Manufacturer          : PESO Consulting
            Model                 : 
            Quantum Efficiency [%]: 5
            Nominal Gain          :
            Rise Time         [ps]: <2400
            Jitter (Single PE)[ps]: <20
            Field of View      ["]: 50
            Date Installed        : 2001-07-01
            Date Removed          : 
          Signal Processing       : Time Walk Compensation
            Manufacturer          : Graz
            Model                 : 
            Date Installed        : 2001-07-01
            Date Removed          : 
            Amplitude Measurement : NO
            Return-rate Controlled: YES
            Mode of Operation     : Few Photons
          Time of Flight Observ.  : Event Timer 
            Manufacturer          : Dassaut
            Model                 : 
            Resolution        [ps]: 1
            Precision         [ps]: 5
            Date Installed        : 2008-07-01
            Date Removed          : NA
          Additional Information  : (multiple lines) 
 
 
 
  Back to top
 
 
  7.   Tracking Capabilities
 
  7.01 Satellites
         Very Low Alt (<400 km)   : YES 
         Low Altitude (400-2000)  : YES
         Lageos                   : NO 
         GLONASS                  : NO
         Etalon                   : NO
         GPS                      : NO
         Moon                     : NO
       Avge Pass Switch Time   [s]: 60
       Average values for ERS
         Single Shot RMS      [mm]: 15
         # of Obs per NP          : 50
         Use of Semi-trains       : YES
         # of Semi-train Tracks   : 3-4
       Range Gate Width       [ns]: 200-50000
       Beam Pointing Accuracy  ["]: 15
       Angle Encoder Resolution["]: 0.5
       Min. Tracking Elev.   [deg]: 10
       Operation
         Months per Year          :  4
         Days per Week            :  7
         Hours per Day            :  18 
         Staff per Shift          :  1
         System Shared With       :  
         Time Allocated to SLR [%]: 100
         Remotely Controllable    : NO
       Date First Applicable      : 1995-09-01
       Date Last Applicable       : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
 
  7.02 Satellites
         Very Low Alt (<400 km)   : YES 
         Low Altitude (400-2000)  : YES
         Lageos                   : YES 
         GLONASS                  : NO
         Etalon                   : NO
         GPS                      : NO
         Moon                     : NO
       Avge Pass Switch Time   [s]: 60
       Average values for Lageos
         Single Shot RMS      [mm]: 17
         # of Obs per NP          : 50
         Use of Semi-trains       : YES
         # of Semi-train Tracks   : 3-4
       Range Gate Width       [ns]: 200-500000
       Beam Pointing Accuracy  ["]: 15
       Angle Encoder Resolution["]: 0.5
       Min. Tracking Elev.   [deg]: 10
       Operation
         Months per Year          :  4
         Days per Week            :  7
         Hours per Day            :  14 
         Staff per Shift          :  1
         System Shared With       :  
         Time Allocated to SLR [%]: 100
         Remotely Controllable    : NO
       Date First Applicable      : 2001-07-01
       Date Last Applicable       : (yyyy-mm-dd)
       Additional Information     : Tracking Lageos with clear sky only
 
 
  Back to top
 
 
  8.   Calibration
 
   8.01 Calibration Type          : POST
       Target Location            : External
       Target Type                : Ground target
       Target Structure           : Corner Cube
       Target Distance         [m]: 321.8532 
         Date Measured            : 2007_06_13
         Accuracy (mm)        [mm]: < 1.5
         Verification             : 
       Return-rate Controlled     :  Signal Strength controlled
       Mode of Operation          :  Multiphotons, similar to satellites 
       Average Cal Interval  [min]:  30
       Single Shot RMS        [mm]:  <15 +/- 5
       Edit Criterion 1st Chain   :  ITERATIVE 2.5 SIGMA
       Edit Criterion 2nd Chain   :  N.A.
       Application of Cal Data    :  AVERAGE
       Date Installed             : 2007_03_01
       Date Removed               : NA
       Additional Information     : (multiple lines)
 
   
 
 
  Back to top
 
 
  9.   Time and Frequency Standards
 
 
  9.01.01 Frequency Standard Type : Rubidium disciplined by GPS
          Model                   : 8810 
          Manufacturer            : Trak System 
          Short Term Stab.  [e-12]: 50 (root(Tvar)/1sec)
          Long Term Stab.   [e-12]: 700 (root(Tvar)/1000sec)
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: <100
          Date Installed          : 1995-09-01
          Date Removed            : 1999-01-01
          Additional Information  : (multiple lines)
 
  9.01.02 Frequency Standard Type : Rubidium disciplined by GPS
          Model                   :  
          Manufacturer            : Datum 
          Short Term Stab.  [e-12]: 50 (root(Tvar)/1sec)
          Long Term Stab.   [e-12]: 700 (root(Tvar)/1000sec)
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: <100
          Date Installed          : 2001-07-01
          Date Removed            : NA
          Additional Information  : (multiple lines)
 
  9.01.03 Frequency Standard Type : CESIUM
          Model                   : HP 5071A option 001
          Manufacturer            : Agilent Technologies
          Short Term Stab.  [e-12]: 5
          Long Term Stab.   [e-12]: 0.01
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 30
          Date Installed          : 2009-03-01
          Date Removed            : 
          Additional Information  : 
 
 
 
 
 
  Back to top
 
 
 10.   Preprocessing Information
 
 10.01 On-site NP Generation      :  YES
       Data Screening             :  IRV+POLYNOMIAL
       Edit Criterion 1st Chain   :  MANUAL+ITERATIVE 2.4 SIGMA
       Edit Criterion 2nd Chain   :  N.A.
       Upload interval            :  AFTER EACH PASS
       Date First Applicable      :  1995-05-09
       Date Last  Applicable      : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
 
 
  Back to top
 
 
 11.   Aircraft Detection
 
 11.01 Detection Type             : Observer with tracking CCD Camera
                                  : (night only)
       Date Installed             : 1995-09-01
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : Observer uses tracking CCD Camera
                                  : at night
 
 
  Back to top
 
 
 12.   Meteorological Instrumentation
 
 12.01    Pressure Sensor Model   : AK 700-1100
          Manufacturer            : Effa
          Recording Interval      : PER PASS
          Accuracy          [mbar]: 0.5
          Height Diff to SRP   [m]: <0.5
          Date Installed          : 1995-09-01
          Calibration Interval    : YEARLY 
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : (multiple lines)
 
 12.01.02 Pressure Sensor Model   : HMPB243
          Manufacturer            : Vaissala
          Recording Interval      : PER PASS
          Accuracy          [mbar]: 0.2
          Height Diff to SRP   [m]: <0.5
          Date Installed          : 2001-07-01
          Calibration Interval    : YEARLY 
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : (multiple lines)
 
 12.02    Temp Sensor Model       :  HMPB243
          Manufacturer            :  Vaissala
          Recording Interval      :  PER PASS
          Accuracy         [deg C]:  0.2
          Date Installed          :  1995-09-01 
          Calibration Interval    :  YEARLY
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : (multiple lines)
 
 12.03    Humidity Sensor Model   : HMPB243
          Manufacturer            : Vaissala
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 5
          Date Installed          : 1995-09-01 
          Calibration Interval    : YEARLY
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : (multiple lines)
 
 
  Back to top
 
 
 13.   Local Ties, Eccentricities, and Collocation Information
 
 13.01 Collocated Permanent Geodetic Systems
 
      GPS                         : IGS
         Date Installed           : 1996-08-01
         Date Removed             : 
         Additional Information   : (multiple lines)
 
       GLONASS                    : IGEX
         Date Installed           : 2000-01-01
         Date Removed             : 
         Additional Information   : (multiple lines)
 
       DORIS                      : YES
         Date Installed           : 2009-04-001
         Date Removed             : 
         Additional Information   : (multiple lines)
 
       VLBI                       :  YES 
         Date Installed           : 1989-01-01
         Date Removed             : 1989-12-01
         Additional Information   : 
 
       Gravimeter                 :  ABSOLUTE / Mobile
         Date Installed           :  every 6/12 months from 1998
         Date Removed             : 
         Additional Information   : (multiple lines)
 
       LLR                        :  YES
         Date Installed           :  1982
         Date Removed             : 
         Additional Information   : (multiple lines)
 
 
 13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
          Monument Name           : Grasse LLR 
          Instrumentation Type    : Grasse Lunar Laser Ranging
          Instrumentation Status  : Fixed
          DOMES Number            : 10002S002
          CDP Number              : 7845
          Differential Components (ITRS)
            dx                 [m]: 
            dy                 [m]: 
            dz                 [m]: 
            Date Measured         : 
            Determined by         : 
          Date Removed            : 
          Additional Information  : 
 
 
 13.03.xx 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)
 
 
  Back to top
 
 
 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : (yyyy-mm-dd hh:mm UT)
       Event                      : (EARTHQUAKE/CONSTRUCTION/etc)
       Additional Information     : (multiple lines)
 
 
  Back to top
 
 
 15.   On-Site, Point of Contact Agency Information
 
       Agency                     : Observatoire de la côte d'Azur, CNES/GRGS
       Mailing Address            : Avenue N. Copernic, 06130 Grasse - France
       Primary Contact
         Contact Name             : Francis Pierron
         Telephone (primary)      : 33 493405420 
         Telephone (secondary)    : 33 493405454 
         Fax                      : 33 493092614 
         E-mail                   : francis.pierron@obs-azur.fr
       Secondary Contact
         Contact Name             : Pascal Bonnefond 
         Telephone (primary)      : 33 493405363
         Telephone (secondary)    : 33 493405353 
         Fax                      : 33 493405333 
         E-mail                   : pascal.bonnefond@obs-azur.fr
         
       Additional Information     : Third contact- Pierre Exertier 
                                  : phone 33 493405382
                                  : fax 33 493405333 
                                  : email pierre.exertier@obs-azur.fr
 
  
  Back to top
 
 
 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)
 
 
  Back to top
 
 
 17.   More Information
 
       URL for More Information   : http://www.obs-azur.fr
       Hardcopy on File
         Site Map                 : NO
         Site Diagram             : NO
         Horizon Mask             : NO
         Monument Description     : NO
         Site Pictures            : NO
       Additional Information     : 
 
  Back to top