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Mt. Stromlo: 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) : Chris Moore
Preparer E-mail : cmoore@eos-aus.com
Date Prepared : 2008-10-01
Report Type : UPDATE
Format Version : 1.0
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1. Identification of the Ranging System Reference Point (SRP)
Site Name : Mount Stromlo
IERS DOMES Number : 50119S003
CDP Pad ID : 7825
Subnetwork : WPLTN
Description : AZ EL INTERSECT
Monument Description : N.A.
Monument Inscription : N.A.
Mark Description : N.A.
Date Installed : 2004-04-08
Date Removed :
Geologic Characteristic : BEDROCK
Additional Information : Bedrock is FRESH IGNEOUS.
Installation date is of first system
acceptance. Anticipated date for
start of operations is
2004-06-01.
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2. Site Location Information
City or Town : Canberra
State or Province : Australian Capital Territory
Country : Australia
Tectonic Plate : Australian-Indian
Approximate Position
X coordinate [m]: -4467064.6
Y coordinate [m]: 2683034.9
Z coordinate [m]: -3667007.6
Latitude [deg]: 35.3161 S
Longitude [deg]: 149.0099 E
Elevation [m]: 805.0
Additional Information : X,Y,Z in ITRF2000 @ 2001.0
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3. General System Information
3.01 System Name : Stromlo
4-Character Code : STL3
CDP System Number : 90
CDP Occupation Number : 01
Eccentricity to SRP (if Not Identical With SRP)
North [m]: 0
East [m]: 0
Up [m]: 0
Date Measured : N.A.
Date Installed : 2004-04-08
Date Removed :
Additional Information : (multiple lines)
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4. Telescope Information
4.01 Receiving Telescope Type : Confocal paraboloid (Mersenne)
Aperture [m]: 1.00
Mount : AZ-EL
Xmitting Telescope Type : Confocal paraboloid (Mersenne)
Aperture [m]: 1.00
Tracking Camera Type : ICCD
Model :
Manufacturer : EOS
Field of View [deg]: 0.01
Faintest Magnitude [mag]: 10
Transmit/Receive Path : COMMON COUDE
Transmit/Receive Switch : Rotating Perforated Mirror
Max Slew Rate Az [deg/s]: 8
Max Slew Rate El [deg/s]: 2
Max Used Tracking Rate Az : 8
Max Used Tracking Rate El : 2
Telescope Shelter : SEALED DOME “Typhoon”
Daylight Filter Type : Andover 532FS02-50 Fabry-Perot, blocked
Dayl. Filt. Bandwidth [nm]: 1.0
Adjustable Attenuation : YES
Transmit Efficiency : 0.75
Receive Efficiency : 0.35
Date Installed : 2004-04-08
Date Removed :
Additional Information : Secondary mirror diameter 0.25 m
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5. Laser System Information
5.01 Laser Type : Nd:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: not used for laser ranging
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 13.5
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 10
Max. Repetition Rate [Hz]: 30
Fullw. Beam Divergence ["]: 7-60
Final Beam Diameter [m]: 1.00
Eyesafe : NO
Eyesafe Standard : AS/NZS 2211.1:1997
Date Installed : 2004-04-08
Date Removed : 2007-07-17
Additional Information : Passively mode-locked oscillator at 100 MHz
nanojoule region. Pulses selected and
amplified in a Regenerative amplifier, then
fed to a double pass power amplifier.
Beamwidth 9mm, divergence 155” at laser
Output
Used in conjunction with Aircraft Detection
Laser (see 11.01)
5.02 Laser Type : Nd:YAG
Number of Amplifiers : 2
Primary Wavelength [nm]: 1064
Primary Maximum Energy [mJ]: not used for laser ranging
Secondary Wavelength [nm]: 532.1
Secondary Max. Energy [mJ]: 21
Xmit Energy Adjustable : YES
Pulse Width (FWHM) [ps]: 10
Max. Repetition Rate [Hz]: 60
Fullw. Beam Divergence ["]: 6-60
Final Beam Diameter [m]: 1.00
Eyesafe : NO
Eyesafe Standard : AS/NZS 2211.1:1997
Date Installed : 2007-07-17
Date Removed :
Additional Information : Passively mode-locked oscillator at 100 MHz
nanojoule region. Pulses selected and
amplified in a Regenerative amplifier, then
fed to a multi-pass power amplifier.
Beamwidth 9mm, divergence 62” at laser
Output
Used in conjunction with Aircraft Detection
Laser (see 11.01)
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6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : CSPAD 0419
Manufacturer : PESO Consulting
Model : -
Quantum Efficiency [%]: 20
Nominal Gain : NA
Rise Time [ps]: Not available
Jitter (Single PE)[ps]: 20
Field of View ["]: 12
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Signal Processing : Time Walk Internally Compensated SPAD
Manufacturer : Graz design
Model : -
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : YES
Return-rate Controlled: YES
Mode of Operation : Single to Multiple Photons
Time of Flight Observ. : EVENT
Manufacturer : EOS
Model : Timing Card
Resolution [ps]: 0.7
Precision [ps]: 10
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Additional Information : 80 MHz oscillator derived from 10 MHz
reference OCXO.
Mode of SPAD operation depends on amplitude
filtering application which depends on
received return rate (i.e. post processing
configurable).
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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 : MAYBE, but not planned
Avge 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 ["]: 1.4
Angle Encoder Resolution["]: 0.01
Min. Tracking Elev. [deg]: 15
Operation
Months per Year : 12
Days per Week : 7
Hours per Day : 24
Staff per Shift : 1 half the time, 0 in autonomous operation
System Shared With : R&D/SPACE DEBRIS
Time Allocated to SLR [%]: 70-100
Remotely Controllable : YES
Date First Applicable : 2004-04-08
Date Last Applicable : (yyyy-mm-dd)
Additional Information : (multiple lines)
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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
Target Distance [m]: 69.591
Date Measured : 2006-08-17
Accuracy (mm) [mm]: 0.5
Verification : Weekly ranging to 4 ground targets plus real time internal target.
Return-rate Controlled : YES
Mode of Operation : Single to Multiple Photons
Average Cal Interval [min]: 90
Single Shot RMS [mm]: 4
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : LINEAR FIT
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Additional Information : Occasionally use just PRE calibration with
application of AVERAGE
8.02 Calibration Type : REALTIME
Target Location : On Secondary Mirror Spider Vane
Target Type : CORNER CUBE solid, 20mm clear aperture
Target Structure : Sliding mount with iris
Target Distance [m]: 1.4 (nominal)
Date Measured : (yyyy-mm-dd)
Accuracy [mm]: 0.5
Verification : Weekly ranging to 4 ground targets plus real time internal target.
Return-rate Controlled : NO
Mode of Operation : Single to Multiple Photons
Average Cal Interval [min]: 0.001
Single Shot RMS [mm]: 4
Edit Criterion 1st Chain : ITERATIVE 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE per Normal Point Bin
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Additional Information : Facility is under test.
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9. Time and Frequency Standards
9.01.01 Frequency Standard Type : Oven Controlled Crystal Oscillator
Model : XLi GPSDO
Manufacturer : TrueTime
Short Term Stab. [e-12]: 1000
Long Term Stab. [e-12]: 1
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 30
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Additional Information : OCXO GPS-disciplined with low phase noise
output options.
9.01.02 Frequency Standard Type : Cesium
Model : Cs4000
Manufacturer : Symmetricon
Short Term Stab. [e-12]: 12
Long Term Stab. [e-12]: 0.05
Time Reference : GPS
Synchronization : GPS
Epoch Accuracy [ns]: 150
Date Installed : 2004-04-08
Date Removed : (yyyy-mm-dd)
Additional Information : Backup and monitoring standard
9.02.01 GPS Timing Rcvr Model : XLi
Manufacturer : TrueTime
Date Installed : 2004-04-08
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 : 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : 12 hours
Date First Applicable : 2004-04-08
Date Last Applicable : 2008-09-30
Additional Information : Manual process ("ProfitsV4")
10.02 On-site NP Generation : YES
Data Screening : CRD+POLYNOMIAL
Edit Criterion 1st Chain : 2.5 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : 2 hours
Date First Applicable : 2008-10-01
Date Last Applicable : (yyyy-mm-dd)
Additional Information : Manual process ("ProfitsV5")
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11. Aircraft Detection
11.01 Detection Type : EYESAFE LASER
Date Installed : 2004-04-31
Date Removed : (yyyy-mm-dd)
Additional Information : 1570 nm OPO conversion from "Infinity"
Nd:YAG. Full-rate synchronous, fired 290 us
before primary emission. Energy <30mJ,
width 3.2ns
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12. Meteorological Instrumentation
12.01.01 Pressure Sensor Model : PMT16A
Manufacturer : Vaisala
Recording Interval : EVERY 5 SECONDS
Accuracy [mbar]: 0.07
Height Diff to SRP [m]: -0.2863
Date Installed : 2004-04-08
Calibration Interval : As required
Date Removed : (yyyy-mm-dd)
Additional Information : Monitored daily against local reference.
12.01.02 Pressure Sensor Model : PTB220A
Manufacturer : Vaisala Oyj
Recording Interval : DAILY
Accuracy [mbar]: 0.07
Height Diff to SRP [m]: -2.3723
Date Installed : (2004-04-08)
Calibration Interval : 2 years
Date Removed : (yyyy-mm-dd)
Additional Information : Factory calibrated. Used as back-up
barometer. Local reference.
12.02.01 Temp Sensor Model : HMP45DX
Manufacturer : Vaisala
Recording Interval : EVERY 5 SECONDS
Accuracy [deg C]: 0.3
Date Installed : 2004-04-08
Calibration Interval : Two yearly
Date Removed : (yyyy-mm-dd)
Additional Information : Factory calibration.
12.03.01 Humidity Sensor Model : HMP45DX
Manufacturer : Vaisala
Recording Interval : EVERY 5 SECONDS
Accuracy [% rel h]: 2
Date Installed : 2004-04-08
Calibration Interval : Two yearly
Date Removed : (yyyy-mm-dd)
Additional Information : Integral with primary temperature sensor.
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13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 1998-06-15
Date Removed : (yyyy-mm-dd)
Additional Information : See IGS log sheet
GLONASS : IGLOS
Date Installed : 2000-02-18
Date Removed : (yyyy-mm-dd)
Additional Information : See IGLOS log sheet
DORIS : IDS
Date Installed : 2004-01-07
Date Removed : (yyyy-mm-dd)
Additional Information : See IDS log sheet
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : There is a VLBI system at Tidbinbilla
9.6 km away
Gravimeter : No
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : Building planned for absolute and super-
conducting gravimeters nearby.
13.02.01 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : AU052
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 50119M002
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: -38.051 +- 0.001
dy [m]: 4.585 +- 0.001
dz [m]: 58.109 +- 0.001
Date Measured : 2006-08-17
Determined by : Geoscience Australia
Date Installed : 1998-06-15
Date Removed : (yyyy-mm-dd)
Additional Information : Intersection of vertical axis of 5/8 inch
Whitworth threaded steel stub with horiz’l
plane coinciding with top of mounting plate
to which steel stub is attached. This
mounting is on top of the North calibration
pillar, 182 mm above a similar mounting used
for the standard SLR calibration target.
The GPS antenna is mounted directly on AU052
which is also known as STR1 (50119M002).
(see IGS log sheet).
For the latest local ties see the
Stromlo local tie SINEX file lodged with
IERS.
13.02.02 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : AU045
Instrumentation Type : FIDUCIAL MONUMENT
Instrumentation Status : PERMANENT
DOMES Number : 50119M001
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: -10.104 +- 0.001
dy [m]: -23.039 +- 0.001
dz [m]: -0.192 +- 0.001
Date Measured : 2006-08-17
Determined by : Geoscience Australia
Date Installed : 1998-01-01
Date Removed : (yyyy-mm-dd hh:mm UT)
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.
The various GPS/Glonass antennae that have
been mounted directly above AU045 were known
as STR0, STRR and STR2 (latest) (see IGLOS
log sheet).
For the latest local ties see the
Stromlo local tie SINEX file lodged with
IERS.
13.02.03 Local Ties from the SRP to Other Monuments or Systems on Site
Monument Name : DORIS
Instrumentation Type : DORIS
Instrumentation Status : PERMANENT
DOMES Number : 50119S004
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: -6.685 +- 0.001
dy [m]: -6.595 +- 0.001
dz [m]: 3.413 +- 0.001
Date Measured : 2006-08-17
Determined by : Geoscience Australia
Date Installed : 2004-01-07
Date Removed : YYY-MM-DD
Additional Information : Intersection of the vertical axis of the
52291 model antenna with plane coinciding
with the painted reference line midway up
antenna. The antenna is mounted directly
above mark AU061 (50119M004).
For the latest local ties see the
Stromlo local tie SINEX file lodged with
IERS.
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14. Local Events Possibly Affecting Computed Position
14.01 Date : 2003-01-18
Event : Fire storm
Additional Information : SLR station destroyed along with GPS, Doris
and Glonass monitoring equipment. Monuments
AU045 (STR2) and AU052 (STR1) not destroyed
but required refurbishment. A post-fire
survey confirmed that these marks had not
moved.
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15. On-Site, Point of Contact Agency Information
Agency : EOS Space Systems Pty. Ltd.
Mailing Address : Locked Bag 2, PO
Queanbeyan NSW 2620
Australia
Primary Contact
Contact Name : Dr Christopher Moore
Telephone (primary) : +61 2 6287-2953
Telephone (secondary) : +61 2 6222-7900
Fax : +61 2 6287-2951
E-mail : cmoore@eos-aus.com
Secondary Contact
Contact Name : Mr Ron Thompson
Telephone (primary) : +61 2 6222-7999
Telephone (secondary) : +61 2 6222-7900
Fax : +61 2 6299-7687
E-mail : ronthompson@eos-aus.com
Additional Information : (multiple lines)
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16. Responsible Agency (if different from 15.)
Agency : Geoscience Australia
Mailing Address : GPO Box 378
Canberra, ACT 2601
Australia
Primary Contact
Contact Name : Gary Johnston
Telephone (primary) : +61 2 6249-9049
Telephone (secondary) : +61 2 6249-9111
Fax : +61 2 6249-9929
E-mail : gary.johnston@ga.gov.au
Secondary Contact
Contact Name : Dr Ramesh Govind
Telephone (primary) : +61 2 6249-9033
Telephone (secondary) : +61 2 6249-9111
Fax : +61 2 6249-9929
E-mail : ramesh.govind@ga.gov.au
Additional Information : (multiple lines)
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17. More Information
URL for More Information : http://www.ga.gov.au/geodesy/slr/stromlo.jsp
Hardcopy on File
Site Map : YES
Site Diagram : YES
Horizon Mask : NO
Monument Description : YES
Site Pictures : YES
Additional Information : (multiple lines)
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