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Tahiti (FTLRS): 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) : Francis Pierron
Preparer E-mail : francis.pierron@obs-azur.fr
Date Prepared : 2011-05-01
Report Type : NEW
Site Log Format Version : 2.0
Site Log Revision :
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Tahiti Geodetic Observatory
IERS DOMES Number : 92201M017
CDP Pad ID : 7822
Subnetwork : Eurolas
Description : MONUMENT
Monument Description : Marker
Monument Inscription : N.A.
Mark Description : Ign Geodetic marker
Date Installed : 2011-05-DD
Date Removed :
Geologic Characteristic : Concrete Pad
Additional Information : Site Name: Tahiti Geodetic Observatory,
: Tahiti/French Polynesia
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2. Site Location Information
City or Town : Punaaia
State or Province : Tahiti
Country : French Polynesia
Tectonic Plate : Pacific
Local Time (UTC +/- hours) :
Approximate Position
X coordinate [m]: -5246415.484
Y coordinate [m]: -3077274.526
Z coordinate [m]: -1913807.566
Latitude [deg]: 17.57674399 S
Longitude [deg]: 149.6063308 E
Elevation [m]: 94.5410
Survey Method :
Date Measured :
Additional Information : Permanents SLR (MOblas-8) GPS and Doris
: on same site
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3. General System Information
3.01 System Name : FTLRS
4-Character Code : THTF
CDP System Number : 69
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0.0000 +- 0.001
East [m]: 0.0000 +- 0.001
Up [m]: 1.7846 +- 0.001
Date Measured : 2011-05-01
Date Installed : 2011-05-01
Date Removed : 2011-08-31
Additional Information :
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: .13
Mount : AZ-EL
Date Installed :
Date Removed :
Xmitting Telescope Type : CASSEGRAIN
Aperture [m]: 0.13
Date Installed :
Date Removed :
Tracking Camera Type : CCD
Model : SV0500
Manufacturer : Digital vison technologie
Field of View [deg]: 0.066
Minimum Magnitude [mag]: 3
Date Installed :
Date Removed :
Transmit/Receive Path : COMMON COUDE
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
Adjustable Field of View :
Transmit Efficiency : 0.45
Receive Efficiency : 0.20
Date Installed : 1996-09-01
Date Removed :
Additional Information : Transmit/Receive Path: COMMON
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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]:
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 20
Xmit Energy Adjustable : YES
Additional Information :
Pulse Width (FWHM) [ps]: 35
Max. Repetition Rate [Hz]: 10
Fullw. Beam Divergence ["]: 30
Theoretical Beam Div :
Measured Beam Div :
Method Used :
Additional Information :
Final Beam Diameter [m]: .10
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 : 2001-07-01
Date Removed :
Additional Information : On calibration, attenuated via
: amplifier delay and neutral density
: Amplifier is double pass.
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6. Receiver System
6.01.01 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 Diam ["]: 50
Date Installed : 2001-07-01
Date Removed :
Amplifier Type :
Manufacturer :
Model :
Gain :
Bandwidth :
Date Installed :
Date Removed :
Additional Information:
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
Additional Information:
Time of Flight Observ. : INTERVAL
Manufacturer : Stanford
Model : 620
Resolution [ps]: 4
Precision [ps]: 30
Date Installed : 2001-07-01
Date Removed :
Additional Information : Rise Time: <2400
: Jitter: <20
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) : YES
Low Altitude (400-2000) : YES
LAGEOS/LARES : YES
GLONASS : NO
Etalon : NO
GNSS : NO
Geosynchronous :
Moon : NO
Ave. Pass Switch Time [s]: 60
Average values for LAGEOS
Single Shot RMS [mm]: 17
# of Obs per NP : 50
Use of Semi-trains : NO
# of Semi-train Tracks :
Range Gate Width [ns]: 200 - 500000
Beam Pointing Accuracy ["]: 15
Angle Encoder Resolution["]: 0.5
Min. Tracking Elev. [deg]: 10
Laser Polarization @emitter:
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
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 : 2001-07-01 HH:MM UT
Date Last Applicable :
Additional Information : Tracking Lageos with clear sky only
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8. Calibration
8.01 Calibration Type : POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : Ground target on building
Number of Targets :
Target Distance(s) [m]: 180.978
Date Measured : 2011-05-01
Accuracy [mm]: < 1.5
Verification :
Return-Rate Controlled : YES
Eye-Safe Method :
Additional Information :
Mode of Operation : MULTI PHOTON
Calibration performed : 30
Single Shot RMS [mm]: 5 - 7
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 2011-05-01
Date Removed :
Additional Information : Single Shot RMS: < 6 +- 1
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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
Long Term Stab. [e-12]: 700
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 100
Date Installed : 1995-09-01
Date Removed : 1999-01-01
Additional Information :
9.01.02 Frequency Standard Type : Rubidium disciplined by GPS
Model :
Manufacturer : Datum
Short Term Stab. [e-12]: 50
Long Term Stab. [e-12]: 700
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 100
Date Installed : 2001-07-01
Date Removed :
Additional Information :
9.01.03 Frequency Standard Type : Hydrogen Maser
Model : I 3000
Manufacturer : T4Science
Short Term Stab. [e-12]: 0.01
Long Term Stab. [e-12]: 0.01
Time Reference :
Synchronization :
Epoch Accuracy [ns]: 0.01
Date Installed : 2011-05-01
Date Removed :
Additional Information : Epoch Accuracy: <0.01
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 :
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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+ITERATIVE 2.4 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : AFTER EACH PASS
Date First Applicable : 1995-05-09 HH:MM UT
Date Last Applicable :
Additional Information :
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11. Aircraft Detection
11.01 Detection Type : MOUNT OBSERVER
Manufacturer/Provider :
Automatic Laser Shutoff :
Alarms Recorded :
Hazard Distance [km]:
Date Installed : 1995-09-01
Date Removed :
Additional Information : Observer uses tracking CCD Camera
: at night
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : HMP243
Manufacturer : Vaisala
Recording Interval : PER PASS
Accuracy [mbar]: 0.2
Height Diff to SRP [m]: <0.5
Distance from SRP [m]:
Date Installed : 2001-07-01 HH:MM UT
Calibration Interval : YEARLY
Date Removed :
Additional Information :
12.01.02 Pressure Sensor Model : AK 700-1100
Manufacturer : Effa
Recording Interval : PER PASS
Accuracy [mbar]: 0.5
Height Diff to SRP [m]: <0.5
Distance from SRP [m]:
Date Installed : 1995-09-01 HH:MM UT
Calibration Interval : YEARLY
Date Removed : 2001-06-01 HH:MM UT
Additional Information :
12.02.01 Temp Sensor Model : HMP243
Manufacturer : Vaisala
Recording Interval : PER PASS
Accuracy [deg C]: 0.2
Date Installed : 2001-07-01 HH:MM UT
Calibration Interval : YEARLY
Date Removed :
Additional Information :
12.03.01 Humidity Sensor Model : HMP243
Manufacturer : Vaisala
Recording Interval : PER PASS
Accuracy [% rel h]: 5
Date Installed : 2001-07-01 HH:MM UT
Calibration Interval : YEARLY
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 :
Date Installed :
Date Removed :
Additional Info :
13.01.02.01 DORIS : NO
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 : Moblas-8
13.02.01.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name :
Instrumentation Type : GPS
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 :
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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 : University of French Plolynesia
: Geodetic Observatory (OGT)
:
Mailing Address :
Website :
Primary Contact
Contact Name : Jean Pierre Barriot
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : barriot@upf.pf
Secondary Contact
Contact Name : Francis Pierron
Telephone (primary) : 33 493405454
Telephone (secondary) :
Fax : 33 493092614
E-mail : francis.pierron@obs-azur.fr
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 : Observatoire de la cote d`Azur, CNES/GRGS
Mailing Address : Avenue N. Copernic, 06130 Grasse - France
Primary Contact
Contact Name : Francis Pierron
Telephone (primary) : 33 493405420
Telephone (secondary) :
Fax : 33 493092614
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 : 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 :
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