 |
 |
 |
|
ILRS Home  Stations Site Listing Hartebeesthoek
|
|
 |
|
 |
Engineering Sites |
| Mt. Stromlo (STRK) |
| Stafford (STAL) |
Inactive Sites |
| Mendeleevo2 (MDVS) |
Hartebeesthoek: Site Log
Instructions and Update 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) : BERNHARDT Johan
Preparer E-mail : johan@hartrao.ac.za
Date Prepared : 2004-08-26
Report Type : UPDATED (2004-08-26)
Format Version : 1.0
Back to top
1. Identification of the Ranging System Reference Point (SRP)
Site Name : Hartebeeshoek Radio Astronomy Observatory
IERS DOMES Number : 30302M003
CDP Pad ID : 7501
Subnetwork : NASA
Description : MONUMENT
Monument Description : PILLAR
Monument Inscription : None
Mark Description : Bullseye
Date Installed : 1993-07-12
Date Removed : (yyyy-mm-dd)
Geologic Characteristic : Andersite
Additional Information : monument is a brass marker with a stainless
: steel plate around the marker
Back to top
2. Site Location Information
City or Town : Johannesburg
State or Province : Gauteng
Country : South Africa
Tectonic Plate : African
Approximate Position
X coordinate [m]: 5085401.135
Y coordinate [m]: 2668330.108
Z coordinate [m]: -2768688.865
Latitude [deg]: 25.8897 S
Longitude [deg]: 27.6861 E
Elevation [m]: 1406.822
Additional Information : (multiple lines)
Back to top
3. General System Information
3.01 System Name : Moblas-6
4-Character Code : HARL
CDP System Number : 06
CDP Occupation Number : 02
Eccentricity to SRP (if Not Identical With SRP)
North [m]: -0.003 +- 0.001
East [m]: -0.006 +- 0.001
Up [m]: 3.228 +- 0.001
Date Measured : 2000-08-07
Date Installed : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : Previously occupied by MTLRS
Back to top
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 : NONE
Model :
Manufacturer :
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 : 3
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 : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Back to top
5. Laser System Information
5.01 Laser Type : ND:YAG
Number of Amplifiers : 1
Primary Wavelength [nm]: 1064nm
Primary Maximum Energy [mJ]: 200
Secondary Wavelength [nm]: 532.1
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 : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : laser repetition rate is 10 Hz,
but the time interval counter
restricts the maximum rate to 5 Hz
Back to top
6. Receiver System
6.01.01 Primary Chain
Wavelength [nm]: 532
Detector Type : PMT
Manufacturer : Photek
Model : PMT-318
Quantum Efficiency [%]: 13%
Nominal Gain : 1E+07
Rise Time [ps]: 350
Jitter (Single PE)[ps]: 100
Field of View ["]: 360
Date Installed : 2003-07-24
Date Removed : (yyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2000-06-09
Date Removed : (yyyy-mm-dd)
Amplitude Measurement : Yes
Return-rate Controlled: Yes
Mode of Operation : Few to Multi Photons
Time of Flight Observ. : INTERNAL
Manufacturer : Hewlett-Packard
Model : 5370B
Resolution [ps]: 20
Precision [ps]: 35
Date Installed : 2000-06-09
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 : 2000-06-09
Date Removed : 2003-07-24
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2000-06-09
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 : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
6.03.01 Secondary Chain
Wavelength [nm]: 532
Detector Type : MCP
Manufacturer : ITT
Model : F4129F
Quantum Efficiency [%]: 17.7
Nominal Gain : 1E6
Rise Time [ps]: 350
Jitter (Single PE)[ps]: 100
Field of View ["]: 360
Date Installed : 1986-03-31
Date Removed : (yyyy-mm-dd)
Signal Processing : CFD
Manufacturer : Tennelec
Model : TC454
Date Installed : 2000-06-09
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 : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : High sensivity laser receiver configuration.
Everything is the same as the primary chain
except the discriminator threshold has been
lowered to accept single photons and the
signal is amplified with 24 dB of gain
Back to top
7. Tracking Capabilities
7.01 Satellites
Very Low Alt (<400 km) : YES
Low Altitude (400-2000) : YES
Lageos : YES
GLONASS : YES
Etalon : NIGHT
GPS : NIGHT
Moon : NO
Avge Pass Switch Time [s]: 60
Average values for Lageos
Single Shot RMS [mm]: 10
# of Obs per NP : 200
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 : 7
Hours per Day : 16
Staff per Shift : one
System Shared With : none
Time Allocated to SLR [%]: 100
Remotely Controllable : NO
Date First Applicable : 2000-06-09
Date Last Applicable : (yyyy-mm-dd)
Additional Information : On 2002-06-09 went from
5 days a week to 7 days
a week operation. Staff
per shift was reduced from 2
to 1 at this time.
Back to top
8. Calibration
8.01 Calibration Type : PRE+POST
Target Location : EXTERNAL
Target Type : CORNER CUBE
Target Structure : CONCRETE PIER
Target Distance [m]: 198
Date Measured : 2000-08-07
Accuracy (mm) [mm]: 2
Verification : multi-target ranging
Return-rate Controlled : NO
Mode of Operation : MULTI
Average Cal Interval [min]: 5
Single Shot RMS [mm]: 5
Edit Criterion 1st Chain : ITERATIVE 3 SIGMA
Edit Criterion 2nd Chain : N.A.
Application of Cal Data : AVERAGE
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Back to top
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 : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : This Truetime model contains the
Stanford PRS10 Rubidium Frequency
Standard
9.02.01 GPS Timing Rcvr Model : XL-DC 151-358-108-2
Manufacturer : TrueTime
Date Installed : 2000-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : CNS clock used for comparisons
Back to top
10. Preprocessing Information
10.01 On-site NP Generation : NO
Data Screening : IRV+POLYNOMIAL
Edit Criterion 1st Chain : ITERATIVE 3.0 SIGMA
Edit Criterion 2nd Chain : N.A.
Upload interval : HOURLY
Date First Applicable : 2000-06-09
Date Last Applicable : 2002-06-19
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 : N.A.
Upload interval : HOURLY
Date First Applicable : 2002-06-19
Date Last Applicable : (yyyy-mm-dd)
Additional Information : Generic Normal Point Processing
System 2.0 installed 2002-06-19
at 06:30 UT
Back to top
11. Aircraft Detection
11.01 Detection Type : RADAR
Date Installed : 2002-06-09
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
Back to top
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]: 4
Date Installed : 2000-06-09
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : MET3 package replaced on
2002-06-13. Barometric data
taken between 2002-05-13 and
2002-06-12 is suspect.
12.02.01 Temp Sensor Model : MET3
Manufacturer : Paroscientific
Recording Interval : PER PULSE
Accuracy [deg C]: 0.5
Date Installed : 2000-06-09
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 PASS
Accuracy [% rel h]: 2
Date Installed : 2000-06-09
Calibration Interval : YEARLY
Date Removed : (yyyy-mm-dd hh:mm UT)
Additional Information : (multiple lines)
Back to top
13. Local Ties, Eccentricities, and Collocation Information
13.01 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 1996-09-05
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 : 2000-08-09
Date Removed : (yyyy-mm-dd)
Additional Information : HBKB
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : YES
Date Installed : 1961-01-01
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)
13.01.02 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 1996-09-05
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 : 1997-05-30
Date Removed : 2000-08-08
Additional Information : HBLA
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : YES
Date Installed : 1961-01-01
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)
13.01.03 Collocated Permanent Geodetic Systems
GPS : IGS
Date Installed : 1996-09-05
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 : 1988-03-10
Date Removed : 1997-05-23
Additional Information : HBKA
PRARE : NO
Date Installed : (yyyy-mm-dd)
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
VLBI : YES
Date Installed : 1961-01-01
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 : HRAO
Instrumentation Type : GPS
Instrumentation Status : PERMANENT
DOMES Number : 30302M004
CDP Number : (XXXX)
Differential Components (ITRS)
dx [m]: -48.556 +- 0.0018
dy [m]: 65.627 +- 0.0013
dz [m]: -42.851 +- 0.0012
Date Measured : (yyyy-mm-dd)
Determined by : Ludwig Combrinck
Date Installed : 1999-09-05
Date Removed : (yyyy-mm-dd)
Additional Information : (multiple lines)
13.03.01 Eccentricities Between Other Monuments on Site
From: Monument Name : HRAO
DOMES Number : 30302M004
CDP Number : (XXXX)
To: Monument Name : 7232
DOMES Number : 30302S001
CDP Number : 7232
Differential Components (ITRS)
dx [m]: 90.236 +- 0.0158
dy [m]: -132.190 +- 0.075
dz [m]: 34.704 +- 0.039
Date Measured : 1999-06-01
Determined by : Ludwig Combrinck
Additional Information : Previous site log had the wrong
sign for dz and also the wrong
To: monument
13.03.02 Eccentricities Between Other Monuments on Site
From: Monument Name : HARL
DOMES Number : 30302M003
CDP Number : 7501
To: Monument Name : VLBI
DOMES Number : 30302S001
CDP Number : 7232
Differential Components (ITRS)
dx [m]: 41.680 +- 0.0158
dy [m]: -66.564 +- 0.075
dz [m]: -8.131 +- 0.039
Date Measured : 1996-06-01
Determined by : Ludwig Combrinck
Additional Information : (multiple lines)
Back to top
14. Local Events Possibly Affecting Computed Position
14.01 Date : (yyyy-mm-dd hh:mm UT)
Event : (EARTHQUAKE/CONSTRUCTION/etc)
Additional Information : (multiple lines)
Back to top
15. On-Site, Point of Contact Agency Information
Agency : Hartebeeshoek Radio Astronomy Observatory
Mailing Address : P.O. Box 443
Krugersdorp 1740
South Africa
Primary Contact
Contact Name : Wilhelm Haupt
Telephone (primary) : +2712 326 0753
Telephone (secondary) : +2712 326 0750
Fax : +2712 326 0756
E-mail : wilhelm@hartrao.ac.za
Secondary Contact
Contact Name : Ludwig Combrinck
Telephone (primary) : +2712 326 0742
Telephone (secondary) : +2712 326 0743
Fax : +2712 326 0756
E-mail : ludwig@hartrao.ac.za
Additional Information : (multiple lines)
Back to top
16. Responsible Agency (if different from 15.)
Agency : NASA, Code 920.1
Mailing Address : Code 920.1
: NASA GSFC
: Greenbelt, MD 20771 USA
Primary Contact
Contact Name : David Carter
Telephone (primary) : 1-301-614-5966
Telephone (secondary) :
Fax : 1-301-614-5970
E-mail : dlcarter@pop900.gsfc.nasa.gov
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : (multiple lines)
Back to top
17. More Information
URL for More Information : www.Hartrao.ac.za
Hardcopy on File
Site Map : NO
Site Diagram : NO
Horizon Mask : NO
Monument Description : NO
Site Pictures : Yes
Additional Information :
Back to top
