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 : 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 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 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 : 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 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. 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 : 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 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 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 : 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 : 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 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 : 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 : 14. Local Events Possibly Affecting Computed Position 14.01 Date : Event : Additional Information : 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 : 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 : 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 :