ILRS Site and System Information Form International Laser Ranging Service 0. Form Prepared by (Full Name) : Jim Steed and Chris Moore Preparer E-mail : jim.steed@ga.gov.au, : stromlo_slr@eos-aus.com Date Prepared : 2003-03-10 Report Type : UPDATE Site Log Format Version : 2.0 Site Log Revision : 1. Identification of the Ranging System Reference Point (SRP) Site Name : Mount Stromlo IERS DOMES Number : 50119S001 CDP Pad ID : 7849 Subnetwork : WPLTN Description : AZ EL INTERSECT Monument Description : N.A. Monument Inscription : N.A. Mark Description : N.A. Date Installed : 1998-06-19 Date Removed : Geologic Characteristic : BEDROCK Additional Information : Bedrock is FRESH IGNEOUS. : Installation date is of first system : acceptance. Initial date for system is : 1997-11-03. 2. Site Location Information City or Town : Canberra State or Province : Australian capital territory Country : Australia Tectonic Plate : Australian-Indian Local Time (UTC +/- hours) : Approximate Position X coordinate [m]: -4467063.9 Y coordinate [m]: 2683034.5 Z coordinate [m]: -3667007.2 Latitude [deg]: 35.3161 S Longitude [deg]: 149.0099 E Elevation [m]: 804.1 Survey Method : Date Measured : Additional Information : 3. General System Information 3.01 System Name : Stromlo 4-Character Code : STRL CDP System Number : 80 CDP Occupation Number : 01 Eccentricity to SRP (if Not Identical With SRP) North [m]: East [m]: Up [m]: Date Measured : N.A. Date Installed : 1997-11-03 Date Removed : 2003-01-18 Additional Information : The Stromlo SLR station was destroyed by fire : along with many buildings of the nearby : Mt Stromlo Atronomical Observatory during : the 18th January 2003 bush fires that also : destroyed over 500 houses in the suburbs of : Canberra. 4. Telescope Information 4.01 Receiving Telescope Type : Confocal paraboloid Aperture [m]: 0.75 Mount : AZ-EL Date Installed : Date Removed : Xmitting Telescope Type : Confocal paraboloid Aperture [m]: 0.75 Date Installed : Date Removed : Tracking Camera Type : ICCD Model : MX12P/8X43 Manufacturer : ADIMEC Field of View [deg]: 0.0167 Minimum Magnitude [mag]: 7 Date Installed : Date Removed : Transmit/Receive Path : COMMON COUDE Transmit/Receive Switch : POLARIZER Max Slew Rate Az [deg/s]: 10 Max Slew Rate El [deg/s]: 10 Max Used Tracking Rate Az : 4 Max Used Tracking Rate El : 3 Telescope Shelter : SEALED DOME Daylight Filter Type : Andover 11622 Fabry-Perot Dayl. Filt. Bandwidth [nm]: 0.15 Adjustable Attenuation : YES Adjustable Field of View : Transmit Efficiency : 0.41 Receive Efficiency : 0.41 Date Installed : 1998-06-19 Date Removed : 2003-01-18 Additional Information : Transmit/Receive Switch: : Dichroic Mirror plus SHG; : Ssubstitued "Polarizer"; : Is that correct; : rlr. 07/12/2019 5. Laser System Information 5.01 Laser Type : ND:YAG Model : Manufacturer : Number of Amplifiers : 2 Primary Wavelength [nm]: 1064 Primary Maximum Energy [mJ]: N.A. Secondary Wavelength [nm]: 532.1 Secondary Max. Energy [mJ]: 50 Xmit Energy Adjustable : NO Additional Information : Pulse Width (FWHM) [ps]: 30 Max. Repetition Rate [Hz]: 100 Fullw. Beam Divergence ["]: 7 - 60 Theoretical Beam Div : Measured Beam Div : Method Used : Additional Information : Final Beam Diameter [m]: 0.75 Eyesafe : NO Eyesafe Standard : ANSI Z136.1 - 1993 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 : 1998-06-19 Date Removed : 2003-01-18 Additional Information : Microlaser oscillator at 100 MHz, microjoule : Region. Pulses selected and amplified in a : Regenerative amplifier, then fed to a double : Pass power amplifier : Primary Maximum Energy: : not used for laser ranging : 6. Receiver System 6.01.01 Primary Chain Wavelength [nm]: 532 Detector Type : CSPAD Manufacturer : PESO Consulting Model : ASY01643 Quantum Efficiency [%]: 20 Nominal Gain : Rise Time [ps]: 100 Jitter (Single PE)[ps]: 22 Field of View Diam ["]: 8 - 32 Date Installed : 1999-09-01 Date Removed : Amplifier Type : Manufacturer : Model : Gain : Bandwidth : Date Installed : Date Removed : Additional Information: Signal Processing : Time Walk Compensated Manufacturer : Graz Model : Date Installed : 1999-09-01 Date Removed : Amplitude Measurement : YES Return-Rate Controlled: NO Mode of Operation : Single to Multiple Photons Additional Information: Time of Flight Observ. : EVENT Manufacturer : EOS Model : MRCS V.4 Resolution [ps]: 0.7 Precision [ps]: 10 Date Installed : 1998-06-19 Date Removed : 2003-01-18 Additional Information : 80 MHz reference oscillator derived from : OCXO. Mode of operation depends on amplitude : filtering application which depends on : received return rate (i.e. post processing : configurable) : Rise Time: <100 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 : YES Etalon : YES GNSS : YES Geosynchronous : Moon : NO Ave. Pass Switch Time [s]: 60 Average values for LAGEOS Single Shot RMS [mm]: 10 # of Obs per NP : 100 Use of Semi-trains : NO # of Semi-train Tracks : N.A. Range Gate Width [ns]: 200 - 5200 Beam Pointing Accuracy ["]: 3.5 Angle Encoder Resolution["]: 0.3 Min. Tracking Elev. [deg]: 20 Laser Polarization @emitter: Operation Months per Year : 12 Days per Week : 7 Hours per Day : 24 Staff per Shift : 1 System Shared With : R&D/SPACE DEBRIS Time Allocated to SLR [%]: 67 - 100 Remotely Controllable : YES 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 : 1998-10-29 HH:MM UT Date Last Applicable : 2003-01-18 HH:MM UT Additional Information : Staff per Shift: : 1 half the time, : 0 in autonomous operation 8. Calibration 8.01 Calibration Type : PRE+POST Target Location : EXTERNAL Target Type : CORNER CUBE open-face Target Structure : METAL POLE in protective metal tube Number of Targets : Target Distance(s) [m]: 69.5346 Date Measured : 1999-06-01 Accuracy [mm]: 1 Verification : Weekly ranging to 4 ground targets : plus real time internal target. Return-Rate Controlled : Eye-Safe Method : Additional Information : Mode of Operation : SINGLE/MULTI PHOTON Calibration performed : 180 Single Shot RMS [mm]: 4.3 Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA Edit Criterion 2nd Chain : N.A. Application of Cal Data : LINEAR FIT Date Installed : 1999-01-15 Date Removed : 2003-01-18 Additional Information : Occasionally use just PRE calibration with : application of AVERAGE 8.02 Calibration Type : REALTIME Target Location : INTERNAL Target Type : CORNER CUBE open-face Target Structure : N.A. Number of Targets : Target Distance(s) [m]: 1.29 Date Measured : 1998-06-30 Accuracy [mm]: 2 Verification : Weekly ranging to 4 ground targets plus : real Time internal target. Return-Rate Controlled : Eye-Safe Method : Additional Information : Mode of Operation : SINGLE/MULTI PHOTON Calibration performed : Single Shot RMS [mm]: Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA Edit Criterion 2nd Chain : N.A. Application of Cal Data : AVERAGE Date Installed : 1998-06-19 Date Removed : 1999-01-15 Additional Information : Facility is quasi-available and will be : restored as principlal calibration method : as soon as possible. 9. Time and Frequency Standards 9.01.01 Frequency Standard Type : Oven Controlled Crystal Oscillator Model : XL-DC 151-602-254 Manufacturer : TrueTime Short Term Stab. [e-12]: 100 Long Term Stab. [e-12]: 1 Time Reference : GPS Synchronization : GPS Epoch Accuracy [ns]: 150 Date Installed : 1998-06-19 Date Removed : 2003-01-18 Additional Information : TrueTime or HP depending upon which : GPS Timing Receiver is used. OCXO GPS : disciplined with low phase noise output : options. 9.01.02 Frequency Standard Type : Cesium Model : 5071A Manufacturer : HP Short Term Stab. [e-12]: 5 Long Term Stab. [e-12]: 0.01 Time Reference : GPS Synchronization : GPS Epoch Accuracy [ns]: 150 Date Installed : 1998-10-29 Date Removed : 2003-01-18 Additional Information : Backup and monitoring standard 9.02.01 GNSS Timing Rcvr Model : XL-DC 151-602-254 Manufacturer : TrueTime Date Installed : 1998-06-19 Date Removed : 2003-01-18 Additional Information : 9.02.02 GNSS Timing Rcvr Model : 58503 Manufacturer : HP Date Installed : 1998-10-29 Date Removed : 2003-01-18 Additional Information : Backup receiver 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 : 2.5 SIGMA Edit Criterion 2nd Chain : N.A. Upload interval : DAILY Date First Applicable : 1999-07-01 HH:MM UT Date Last Applicable : Additional Information : Automatic process ("AUTOPROC") 10.02 On-site NP Generation : YES Data Screening : IRV+POLYNOMIAL Return-Rate Rejection : Edit Criterion 1st Chain : MANUAL + 2.5 SIGMA Edit Criterion 2nd Chain : N.A. Upload interval : DAILY Date First Applicable : 1998-06-19 HH:MM UT Date Last Applicable : 1999-06-30 HH:MM UT Additional Information : Manual process ("PROFITS") 11. Aircraft Detection 11.01 Detection Type : EYESAFE LASER Manufacturer/Provider : Automatic Laser Shutoff : Alarms Recorded : Hazard Distance [km]: Date Installed : 1998-03-01 Date Removed : 2003-01-18 Additional Information : 1570 nm OPO conversion from Infinity Nd:YAG : Full-rate synchronous, fired 290 us before : Primary emission. Energy <30mJ, width 3.2ns 12. Meteorological Instrumentation 12.01.01 Pressure Sensor Model : PTB200A Manufacturer : Vaisala Recording Interval : EVERY 5 SECONDS Accuracy [mbar]: 0.05 Height Diff to SRP [m]: +0.21 Distance from SRP [m]: Date Installed : 1998-06-19 HH:MM UT Calibration Interval : DAILY/YEARLY Date Removed : 2003-01-18 HH:MM UT Additional Information : Calibrated daily against local reference, : and every 2 years against Meteorological : Bureau standards. 12.01.02 Pressure Sensor Model : Mercury Manufacturer : FORTIN Recording Interval : DAILY Accuracy [mbar]: 0.5 Height Diff to SRP [m]: -4.43 Distance from SRP [m]: Date Installed : 1999-08-03 HH:MM UT Calibration Interval : Date Removed : 2003-01-18 HH:MM UT Additional Information : Used as back-up barometer. : Readings are manual. 12.02.01 Temp Sensor Model : HMP350 Manufacturer : Vaisala Recording Interval : EVERY 5 SECONDS Accuracy [deg C]: 0.1 Date Installed : 1998-06-19 HH:MM UT Calibration Interval : see additional comments Date Removed : 2003-01-18 HH:MM UT Additional Information : Factory calibration. 12.02.02 Temp Sensor Model : 9858253 Mercury Manufacturer : Dobbie Recording Interval : Daily Accuracy [deg C]: 0.1 Date Installed : 1998-06-19 HH:MM UT Calibration Interval : Date Removed : 2003-01-18 HH:MM UT Additional Information : Back-up thermometer. Readings : are manual. 12.03.01 Humidity Sensor Model : HMP350 Manufacturer : Vaisala Recording Interval : EVERY 5 SECONDS Accuracy [% rel h]: 0.5 Date Installed : 1998-06-19 HH:MM UT Calibration Interval : Date Removed : 2003-01-18 HH:MM UT Additional Information : Integral with primary temperature sensor. 13. Local Ties, Eccentricities, and Collocation Information 13.01 Collocated Permanent Geodetic Systems 13.01.01.01 GNSS : IGS Date Installed : 1996-06-08 Date Removed : 2003-01-18 Additional Info : 13.01.01.02 GNSS : IGLOS Date Installed : 1998-09-17 Date Removed : 2003-01-18 Additional Info : 13.01.02.01 DORIS : IDS Date Installed : 1998-10-22 Date Removed : 2003-01-18 Additional Info : 13.01.03.01 PRARE : NO Date Installed : Date Removed : Additional Info : 13.01.04.01 VLBI : NO Date Installed : Date Removed : Additional Info : There is a VLBI system at Tidbinbilla : 9.6 km away 13.01.05.01 Gravimeter : SUPERCONDUCTING Date Installed : 1997-01-01 Date Removed : Additional Info : This instrument belongs to Japanese : National Astronomical Observatory. : It is in a basement of the Astronomical : Observatory, about 600 meters from the : SLR system. 13.01.06.01 Other SLR : Date Installed : Date Removed : Additional Info : 13.02.01.01 Local Ties from the SRP to Other Monuments or Systems on Site Monument Name : STR1 Instrumentation Type : GPS Instrumentation Status : PERMANENT DOMES Number : 50119M002 CDP Number : Differential Components (ITRS) dx [m]: -38.7148 +- 0.0006 dy [m]: 4.9877 +- 0.0008 dz [m]: 57.5162 +- 0.0005 Date Measured : 1999-06-01 Determined by : AUSLIG Date Installed : 1998-06-15 Date Removed : Additional Information : Intersection of vertical axis of 5/8 inch : Whitworth threaded steel stub with horizontal : plane coinciding with top of mounting plate : to which steel stub is attached. This : mounting is on top of the North calibration : pillar, 183 mm above a similar mounting used : for the standard SLR calibration target. : Monument inscription - AU052 13.02.02.01 Local Ties from the SRP to Other Monuments or Systems on Site Monument Name : STR0 Instrumentation Type : FIDUCIAL MONUMENT Instrumentation Status : PERMANENT DOMES Number : 50119M001 CDP Number : Differential Components (ITRS) dx [m]: -10.7687 +- 0.0005 dy [m]: -22.6353 +- 0.0008 dz [m]: -0.7403 +- 0.0005 Date Measured : 1999-06-01 Determined by : AUSLIG Date Installed : 1998-01-01 Date Removed : Additional Information : Intersection of vertical axis of 5/8 inch : Whitworth threaded stainless steel spigot : with top of stainless steel pillar plate set : Into top of the fundamental survey pillar at : Stromlo SLR station. : GLONASS/GPS antenna mounted on spigot. : Monument Inscription - AU045 : Fundamental Pillar 13.02.03.01 Local Ties from the SRP to Other Monuments or Systems on Site Monument Name : DORIS Instrumentation Type : DORIS Instrumentation Status : PERMANENT DOMES Number : 50119S002 CDP Number : Differential Components (ITRS) dx [m]: -4.4647 +- 0.0007 dy [m]: -4.3871 +- 0.0012 dz [m]: 3.3729 +- 0.0006 Date Measured : 1999-06-01 Determined by : AUSLIG Date Installed : 1998-10-22 Date Removed : 2003-01-18 Additional Information : Intersection of the vertical axis of Starec : type antenna with plane coinciding with the : painted reference line midway up the antenna. 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 : 2003-01-18 HH:MM UT Event : Fire storm Additional Information : SLR station destroyed along with GPS, Doris : and Glonass monitoring equipment. Monuments : STR0 and STR1 not detroyed but will require : re-furbishment and re-survey once the site : is re-established. 14.02 Date : 2003-07-04 HH:MM UT Event : Facility replacement begins Additional Information : The Australian Government, through Geoscience : Australia (formerly AUSLIG) signed a : contract with EOS Space Systems Pty Limited : (EOS) to rebuild the Stromlo SLR facility. 14.03 Date : 2003-09-09 HH:MM UT Event : Operation of facility Additional Information : Another contract signed with EOS Space : Systems Pty Limited (EOS) for the operation : and maintenance of the Geoscience Australia : facilty. The building is already completed : awaiting the installation of the dome, : telescope and laser. Engineering data is : expected to be available in December 2003, : with full operational status in early 2004. 15. On-Site, Point of Contact Agency Information Agency : Electro Optic Systems Pty. Ltd. Mailing Address : Locked Bag 2, PO : Queanbeyan NSW 2620 : Australia Website : Primary Contact Contact Name : Dr Christopher Moore Telephone (primary) : +61 2 6287-2953 Telephone (secondary) : +61 2 6298-8000 Fax : +61 2 6287-2951 E-mail : stromlo_slr@eos-aus.com Secondary Contact Contact Name : Mr Ron Thompson Telephone (primary) : +61 2 6298-8018 Telephone (secondary) : Fax : +61 2 6299-7687 E-mail : ronthompson@eos-aus.com Tertiary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 16. Responsible Agency (if different from 15.) Agency : National Mapping Division, : Geoscience Australia Mailing Address : PO Box 2 : Belconnen ACT 2616 : Australia Primary Contact Contact Name : Jim Steed Telephone (primary) : +61 2 6201-4347 Telephone (secondary) : +61 2 6201-4201 Fax : +61 2 6201-4366 E-mail : jim.steed@ga.gov.au Secondary Contact Contact Name : Mr John Manning Telephone (primary) : +61 2 6201-4352 Telephone (secondary) : +61 2 6201-4201 Fax : +61 2 6201-4366 E-mail : john.manning@ga.gov.au Additional Information : 17. More Information URL for More Information : www.eos-aus.com Hardcopy on File Site Map : YES Site Diagram : YES Horizon Mask : NO Monument Description : YES Site Pictures : YES Additional Information :