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ILRS Home  Stations Site Listing Tahiti
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Tahiti: Site Log
Instructions and Update Site Log
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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) : Kenneth S. Tribble
Preparer E-mail : Kenneth.Tribble@Honeywell-tsi.com
Date Prepared : 2004-01-07
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Tahiti Geodetic Observatory
IERS DOMES Number : 92201M007
CDP Pad ID : 7124
Subnetwork : NASA
Description : MONUMENT
Monument Description : PLATE
Monument Inscription : NONE
Mark Description : CHISELLED CROSS
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : CONGLOMERATE
Additional Information : (multiple lines)
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2. Site Location Information
City or Town : Punaauia
State or Province : Tahiti
Country : French Polynesia
Tectonic Plate : Pacific
Approximate Position
X coordinate [m]: -5246406.607
Y coordinate [m]: -3077285.162
Z coordinate [m]: -1913814.321
Latitude [deg]: 17.5768 S
Longitude [deg]: 210.3937 E
Elevation [m]: 82.171
Additional Information : (multiple lines)
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3. General System Information
3.01 System Name : MOBLAS-8
4-Character Code : THTL
CDP System Number : 08
CDP Occupation Number : 02
Eccentricity to SRP (if Not Identical With SRP)
North [m]: -0.015 +- 0.002
East [m]: 0.011 +- 0.002
Up [m]: 3.143 +- 0.002
Date Measured : 1999-12-15
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : CASSEGRAIN
Aperture [m]: 0.762
Mount : AZ-EL
Xmitting Telescope Type : REFRACTOR
Aperture [m]: 0.163
Tracking Camera Type : CCD
Model : GEN II INTENSIFIER
Manufacturer : HTSI
Field of View [deg]:
Minimum Magnitude [mag]:
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 : 5
Max Used Tracking Rate El : 2
Telescope Shelter : ROLL-BACK ROOF
Daylight Filter Type : Omega Optical 532NB1 9114
Dayl. Filt. Bandwidth [nm]: 100
Adjustable Attenuation : RECEIVE
Transmit Efficiency : 0.94
Receive Efficiency : 0.76
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: 200
Secondary Wavelength [nm]: 532
Secondary Max. Energy [mJ]: 100
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 200
Max. Repetition Rate [Hz]: 5
Fullw. Beam Divergence ["]: 30
Final Beam Diameter [m]: 0.093
Eyesafe : NO
Eyesafe Standard : ANSI 136.1
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : Laser repetition rate is capable of 10Hz.
Receive equipment restricts the rate to
a maximum of 5Hz.
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : MCP
Manufacturer : ITT
Model : F4129F
Quantum Efficiency [%]: 17.7
Nominal Gain : 1E+06
Rise Time [ps]: 350
Jitter (Single PE)[ps]: 100
Field of View ["]: 360
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
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]: 20
Precision [ps]: 35
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
6.02.01 Secondary Chain
Wavelength [nm]: 532
Detector Type : MCP
Manufacturer : ITT
Model : F4129F
Quantum Efficiency [%]: 17.7
Nominal Gain : 1E+06
Rise Time [ps]: 350
Jitter (Single PE)[ps]: 100
Field of View ["]: 360
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Multi Photons
Time of Flight Observ. : INTERVAL
Manufacturer : Hewlett-Packard
Model : 5370B
Resolution [ps]: 20
Precision [ps]: 35
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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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 : NO
GPS : NO
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 10
# of Obs per NP : 50
Use of Semi-trains : NO
# of Semi-train Tracks : N.A.
Range Gate Width [ns]: 2000
Beam Pointing Accuracy ["]: 0.6
Angle Encoder Resolution["]: 0.6
Min. Tracking Elev. [deg]: 20
Operation
Months per Year : 12
Days per Week : 5
Hours per Day : 16
Staff per Shift : 1
System Shared With : NOTHING
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 1997-08-01
Date Last Applicable : (yyyy-mm-dd hh:mm UT)
Additional Information : station is not available for ranging on
holidays
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8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : CONCRETE PIER
Target Distance [m]: 263
Date Measured : 1999-12-15
Accuracy (mm) [mm]: 2
Verification : first order survey and ranging to multiple
ground targets
Return-rate Controlled : YES
Mode of Operation : Few to Multi Photons
Average Cal Interval [min]: 3.5
Single Shot RMS [mm]: 6
Edit Criterion 1st Chain : ITERATIVE 3 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : Rubidium disciplined by GPS
Model : XL-DC 151-358-108-2
Manufacturer : TrueTime
Short Term Stab. [e-12]: 10
Long Term Stab. [e-12]: 3
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: <100
Date Installed : 1999-08-19
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
9.02.01 GPS Timing Rcvr Model : XL-DC 151-358-108-2
Manufacturer : TrueTime
Date Installed : 1999-08-12
Date Removed : (yyyy-mm-dd)
Additional Information : CNS clock used for comparisons
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10. Preprocessing Information
10.01 On-site NP Generation : YES
Data Screening : IRV+POLYNOMIAL
Edit Criterion 1st Chain : ITERATIVE 3.0 SIGMA
Edit Criterion 2nd Chain : NONE
Upload interval : HOURLY
Date First Applicable : 1997-08-01
Date Last Applicable : 2002-02-03
Additional Information : (multiple lines)
10.02 On-site NP Generation : YES
Data Screening : IRV+POLYNOMIAL
Edit Criterion 1st Chain : ITERATIVE 3.0 SIGMA
Edit Criterion 2nd Chain : NONE
Upload interval : HOURLY
Date First Applicable : 2002-02-03
Date Last Applicable : (yyyy-mm-dd)
Additional Information : Generic Normal Processing Version 2.0
installed 2002-02-03
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11. Aircraft Detection
11.01 Detection Type : RADAR
Date Installed : 1997-08-01
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PULSE
Accuracy [mbar]: 0.1
Height Diff to SRP [m]: -0.15
Date Installed : 2000-04-25
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.02.01 Temp Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PULSE
Accuracy [deg C]: 0.5
Date Installed : 2000-04-25
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
12.03.01 Humidity Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PULSE
Accuracy [% rel h]: 2
Date Installed : 2000-04-25
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 1998-11-22
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
GLONASS : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
DORIS : IDS
Date Installed : 1998-04-16
Date Removed : (yyyy-mm-dd)
Additional Information : PAQB
PRARE : YES
Date Installed : 1996-08-16
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 2000-08-25
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
GLONASS : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
DORIS : IDS
Date Installed : 1995-07-27
Date Removed : 1998-04-13
Additional Information : PAPB
PRARE : YES
Date Installed : 1996-08-16
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Gravimeter : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name :
Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/NONE)
Instrumentation Status : (PERMANENT/MOBILE)
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 :
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.03.01 Eccentricities Between Other Monuments on Site
From: Monument Name : MOBLAS-8
DOMES Number : 92201M007
CDP Number : 7124
To: Monument Name : PAPB DORIS
DOMES Number : 92201S007
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: -173.0775 +- 0.002
dy [m]: 311.888 +- 0.002
dz [m]: 37.0642 +- 0.002
Date Measured : (yyyy-mm-dd)
Determined by : IGN
Additional Information : values in previous site log were
in error
13.03.02 Eccentricities Between Other Monuments on Site
From: Monument Name : MOBLAS-8
DOMES Number : 92201M007
CDP Number : 7124
To: Monument Name : PAQB
DOMES Number : 92201S008
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: -7.3265 +- 0.002
dy [m]: 18.193 +- 0.002
dz [m]: -25.9328 +- 0.002
Date Measured : (yyyy-mm-dd)
Determined by : IGN
Additional Information : (multiple lines)
13.03.03 Eccentricities Between Other Monuments on Site
From: Monument Name : MOBLAS-8
DOMES Number : 92201M007
CDP Number : 7124
To: Monument Name : TAHI
DOMES Number : 92201M006
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: -162.0445 +- 0.002
dy [m]: 295.485 +- 0.002
dz [m]: 36.6482 +- 0.002
Date Measured : (yyyy-mm-dd)
Determined by : IGN
Additional Information : (multiple lines)
13.03.04 Eccentricities Between Other Monuments on Site
From: Monument Name : MOBLAS-8
DOMES Number : 92201M007
CDP Number : 7124
To: Monument Name : THTI
DOMES Number : 92201M009
CDP Number : N.A.
Differential Components (ITRS)
dx [m]: -8.4555 +- 0.002
dy [m]: 24.551 +- 0.002
dz [m]: -28.2988 +- 0.002
Date Measured : (yyyy-mm-dd)
Determined by : IGN
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 : Tahiti Geodetic Observatory
Mailing Address : CUPF
BP 6570
98702 Faaa Aeroport
Tahiti - French Polynesia
Primary Contact
Contact Name : Keitapu Maamaatuaiahutapu
Telephone (primary) : (689) 803 805
Telephone (secondary) : (689) 577 827
Fax : (689) 803 842
E-mail : Keitapu.Maamaatuaiahutapu@ufp.pf
Secondary Contact
Contact Name : Yannick Vota
Telephone (primary) : (689) 803 841
Telephone (secondary) : (689) 707 710
Fax : (689) 803 842
E-mail : Yannick.Vota@ufp.Pf
Additional Information : (multiple lines)
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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.ufp.pf/geos/
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : NO
Additional Information : (multiple lines)
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