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ILRS Home  Stations Site Listing Grasse
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Grasse: 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) : Francis Pierron
Preparer E-mail : francis.pierron@obs-azur.fr
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 : Grasse SLR
IERS DOMES Number : 10002S001
CDP Pad ID : 7835
Subnetwork : EUROLAS
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 1976-05-01
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : BEDROCK
Additional Information : referenced by markers in the rock around
the telescope
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2. Site Location Information
City or Town : Caussols
State or Province : Alpes-maritimes
Country : France
Tectonic Plate : Eurasian
Approximate Position
X coordinate [m]: 4581691.66
Y coordinate [m]: 556159.54
Z coordinate [m]: 4389359.48
Latitude [deg]: 43.7548 N
Longitude [deg]: 6.9211 E
Elevation [m]: 1322.8
Additional Information : Coordinate system was ITRF 97, Ellipsoid
GRS80
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3. General System Information
3.01 System Name : GRASSE
4-Character Code : GRSL
CDP System Number : 31
CDP Occupation Number : 02
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0.
East [m]: 0.
Up [m]: 0.
Date Measured : N.A.
Date Installed : 1976-05-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 1.00
Mount : AZ-EL
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.2
Tracking Camera Type : CCD
Model : Intlh 509ul
Manufacturer : Lhesa
Field of View [deg]: 0.50
Minimum Magnitude [mag]: 13
Transmit/Receive Path : SEPARATE
Transmit/Receive Switch : NONE
Max Slew Rate Az [deg/s]: 20
Max Slew Rate El [deg/s]: 5
Max Used Tracking Rate Az : 10
Max Used Tracking Rate El : 5
Telescope Shelter : ROLL-BACK ROOF
Daylight Filter Type : Interferential filter oven controled
Dayl. Filt. Bandwidth [nm]: 0.14
Adjustable Attenuation : RECEIVE
Transmit Efficiency : 0.6
Receive Efficiency : 0.25
Date Installed : 1976-05-01
Date Removed : (yyyy-mm-dd)
Additional Information : intensified CCD installed 1995-04-19
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5. Laser System Information
5.01 Laser Type : Ruby
Number of Amplifiers : 2
Primary Wavelength [nm]: 694.3
Primary Maximum Energy [mJ]: 3000
Secondary Wavelength [nm]: NA
Secondary Max. Energy [mJ]: 3000
Xmit Energy Adjustable : NO
Pulse Width (FWHM) [ps]: 2500
Max. Repetition Rate [Hz]: 0.2
Fullw. Beam Divergence ["]: 20-120
Final Beam Diameter [m]: .20
Eyesafe : NO
Eyesafe Standard : ANSI 136.1
Date Installed : 1976-05-01
Date Removed : 1983-03-21
Additional Information : 1 double pass, 1 single pass amplifier
5.02 Laser Type : ND:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 100
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 45
Xmit Energy Adjustable : NO
Pulse Width (FWHM) [ps]: 50
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 20-120
Final Beam Diameter [m]: .12
Eyesafe : NO
Eyesafe Standard : ANSI 136.1
Date Installed : 1983-12-23
Date Removed : (yyyy-mm-dd)
Additional Information : on calibration, Xmit energy adjusted,
attenuated via amplifier delay.
1 double pass, 1 single pass amplifier
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD
Manufacturer : PESO Consulting
Model :
Quantum Efficiency [%]: 20
Nominal Gain :
Rise Time [ps]: <2400
Jitter (Single PE)[ps]: <30
Field of View ["]: 43
Date Installed : 1997-09-04
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Compensated
Manufacturer : Graz
Model :
Date Installed : 1997-09-04
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : NO
Return-rate Controlled: YES
Mode of Operation : Single to Multi Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1995-09-01
Date Removed : (yyyy-mm-dd)
Additional Information : FOV limited by adjustable iris
6.01.02 Primary Chain
Wavelength [nm]: 532.0
Detector Type : PMT
Manufacturer : RTC
Model : XP 2233 B
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]: 3000
Jitter (Single PE)[ps]: 300-500
Field of View ["]: 300
Date Installed : 1992-01-01
Date Removed : 1997-08-31
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC453
Date Installed : 1992-01-01
Date Removed : 1997-08-31
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Few to Multi Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1995-09-01
Date Removed : (yyyy-mm-dd)
Additional Information : FOV limited by adjustable iris
6.01.03 Primary Chain
Wavelength [nm]: 532.0
Detector Type : PMT
Manufacturer : RTC
Model : XP 2233 B
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]: 3000
Jitter (Single PE)[ps]: 300-500
Field of View ["]: 300
Date Installed : 1992-01-01
Date Removed : 1997-08-31
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC453
Date Installed : 1992-01-01
Date Removed : 1997-08-31
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Few to Multi Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Hewlett-Packard
Model : 5370B
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 1992-01-01
Date Removed : 1995-09-01
Additional Information : FOV limited by adjustable iris
6.01.04 Primary Chain
Wavelength [nm]: 532.0
Detector Type : PMT
Manufacturer : RCA
Model : C31024
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]: 3000
Jitter (Single PE)[ps]: 300-500
Field of View ["]: 300
Date Installed : 1983-12-23
Date Removed : 1992-01-01
Signal Processing : CFD
Manufacturer : Grasse
Model : Grasse
Date Installed : 1976-05-01
Date Removed : 1992-01-01
Amplitude Measurement : NO
Return-rate Controlled: NO
Mode of Operation : Few to Multi Photons
Time of Flight Observ. : EVENT
Manufacturer : Dassault
Model :
Resolution [ps]: 10
Precision [ps]: 50
Date Installed : 1976-05-01
Date Removed : 1992-01-01
Additional Information : FOV limited by adjustable iris
6.01.05 Primary Chain
Wavelength [nm]: 694.3
Detector Type : PMT
Manufacturer : RCA
Model : C31024
Quantum Efficiency [%]:
Nominal Gain :
Rise Time [ps]: 3000
Jitter (Single PE)[ps]: 300-500
Field of View ["]: 300
Date Installed : 1976-05-01
Date Removed : 1983-12-23
Signal Processing : CFD
Manufacturer : Grasse
Model : Grasse
Date Installed : 1976-05-01
Date Removed : 1992-01-01
Amplitude Measurement : NO
Return-rate Controlled: NO
Mode of Operation : Few to Multi Photons
Time of Flight Observ. : EVENT
Manufacturer : Dassault
Model :
Resolution [ps]: 10
Precision [ps]: 50
Date Installed : 1976-05-01
Date Removed : 1997-09-03
Additional Information : FOV limited by adjustable iris
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7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : YES
GPS : YES
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 15
# of Obs per NP : 300
Use of Semi-trains : YES
# of Semi-train Tracks : 3-4
Range Gate Width [ns]: 200-50000
Beam Pointing Accuracy ["]: 10
Angle Encoder Resolution["]: 1.2
Min. Tracking Elev. [deg]: 5
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 18 (nightime only on weekend )
Staff per Shift : 1
System Shared With : R&D
Time Allocated to SLR [%]: 90
Remotely Controllable : NO
Date First Applicable : 1976-05-01
Date Last Applicable : (yyyy-dd-mm)
Additional Information : (multiple lines)
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8. Calibration
8.01 Calibration Type : POST
Target Location : EXTERNAL
Target Type : Optical square
Target Structure : TELESCOPE
Target Distance [m]: 1.915
Date Measured : 1987-09-01
Accuracy (mm) [mm]: < 2
Verification : 1991-11-06 / 1997-06-03
Return-rate Controlled : YES
Mode of Operation : Few to Multi Photons
Average Cal Interval [min]: 30
Single Shot RMS [mm]: <6
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 1987-10-30
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
8.02 Calibration Type : POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : Ground targets on mountains
Target Distance [m]: 2533. and 1587.
Date Measured : 1976-01-01
Accuracy (mm) [mm]: < 15
Verification : every two years
Return-rate Controlled : YES
Mode of Operation : MULTI PHOTON
Average Cal Interval [min]: 30
Single Shot RMS [mm]: <20 +/- 5
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 1976-05-01
Date Removed : 1987-10-30
Additional Information : (multiple lines)
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : Cesium
Model : 5071A option 001
Manufacturer : HP
Short Term Stab. [e-12]: 5
Long Term Stab. [e-12]: 0.01
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 30
Date Installed : 1976-05-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
9.02.01 GPS Timing Rcvr Model : TTR5
Manufacturer : Allen Osborne
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 : 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)
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11. Aircraft Detection
11.01 Detection Type : MOUNT OBSERVER
Date Installed : 1976-05-01
Date Removed : (yyyy-mm-dd)
Additional Information : Observer used tracking CCD Camera at
night
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : PTB220 ABA2M9
Manufacturer : Vaisala
Recording Interval : PER PASS
Accuracy [mbar]: 0.2
Height Diff to SRP [m]: 2.5
Date Installed : 1998-02-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : HMP243
Manufacturer : Vaisala
Recording Interval : PER PASS
Accuracy [deg C]: 0.2
Date Installed : 1999-09-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : HMP243
Manufacturer : Vaisala
Recording Interval : PER PASS
Accuracy [% rel h]: 5
Date Installed : 1999-09-01
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS+EUREF
Date Installed : 1996-10-03
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
GLONASS : IGLOS
Date Installed : 2000
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
DORIS : Mobile
Date Installed : 1997
Date Removed : 1997
Additional Information : (multiple lines)
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : YES
Date Installed : 1989
Date Removed : 1989
Additional Information : (multiple lines)
Gravimeter : ABSOLUTE / Mobile
Date Installed : temporary
Date Removed : (yyyy-mm-dd)
Additional Information : twice a year since 1998
13.02 Collocated Permanent Geodetic Systems
GPS : IGS+EUREF
Date Installed : 1995-02-22
Date Removed : 1996-05-07
Additional Information : (multiple lines)
GLONASS : IGLOS
Date Installed : 2000
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
DORIS : Mobile
Date Installed : 1997
Date Removed : 1997
Additional Information : (multiple lines)
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : YES
Date Installed : 1989
Date Removed : 1989
Additional Information : (multiple lines)
Gravimeter : ABSOLUTE / Mobile
Date Installed : temporary
Date Removed : (yyyy-mm-dd)
Additional Information : twice a year since 1998
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : GRAS
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 10002M006
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: -0.632 +- 0
dy [m]: -44.859 +- 0
dz [m]: 1.200 +- 0
Date Measured : 1999
Determined by : terrestrial geodetic measurements
Date Installed : 1996-10-03
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : 7605
Instrumentation Type : VLBI
Instrumentation Status : MOBILE
DOMES Number : 10002M003
CDP Number : 7605
Differential Components (ITRS)
dx [m]: 6.007 +- 0.005
dy [m]: -33.777 +- 0.005
dz [m]: -8.036 +- 0.005
Date Measured : 1989, 1995
Determined by :
Date Installed : 1989
Date Removed : 1989
Additional Information : (multiple lines)
13.02.03 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : 7845
Instrumentation Type : LLR
Instrumentation Status : PERMANENT
DOMES Number : 10002S002
CDP Number : 7845
Differential Components (ITRS)
dx [m]: 0.5414 +- .001
dy [m]: 36.4889 +- .0015
dz [m]: -4.4197 +- .001
Date Measured : 1995, 1999
Determined by : terrestrial geodetic measurements
Date Installed :
Date Removed : (yyyy-mm-dd)
Additional Information : 3 years colocated observations
dx = 0.5303 dy = 36.4869 dz = -4.417
13.02.04 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : 7846
Instrumentation Type : SLR
Instrumentation Status : MOBILE
DOMES Number : 10002M018
CDP Number : 7846
Differential Components (ITRS)
dx [m]: 1.819 +- 0
dy [m]: -24.993 +- 0
dz [m]: -4.769 +- 0
Date Measured : 1995, 1999
Determined by : terrestrial geodetic measurements
Date Installed : 1996
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 : 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 : Jocelyn Paris
Telephone (primary) : 33 493405420
Telephone (secondary) : 33 493405454
Fax : 33 493092614
E-mail : jocelyn.paris@obs-azur.fr
Additional Information : Third contact is Pierre Exertier
phone 33 493405386
phone 33 493405353
Fax 33 493405333
email pierre.exertier@obs-azur.fr
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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 : http://www.obs-azur.fr
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : YES
Additional Information : (multiple lines)
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