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Hartebeesthoek: Site Log

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Section: 0. Form
Section: 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)    : Roelf Botha
       Preparer E-mail            : roelf@hartrao.ac.za
       Date Prepared              : 2019-04-03
       Report Type                : UPDATE
       Site Log Format Version    : 2.0
       Site Log Revision          : 1
 
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Hartebeesthoek 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               : 
       Geologic Characteristic    : Andesite
       Additional Information     : monument is a brass marker with a stainless 
                                  : steel plate around the marker
 
 
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  2.   Site Location Information
 
       City or Town               : Johannesburg
       State or Province          : Gauteng
       Country                    : South  Africa
       Tectonic Plate             : African 
       Local Time (UTC +/- hours) : 
       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
       Survey Method              : 
       Date Measured              : 
       Additional Information     : 
 
 
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  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]: -0.004 +- 0.001
         East                  [m]: -0.007 +- 0.001
         Up                    [m]: 3.227 +- 0.001
         Date Measured            : 2014-03-01
       Date Installed             : 2000-06-09
       Date Removed               : 
       Additional Information     : Previously occupied by MTLRS
 
 
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  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : Cassegrain
         Aperture              [m]: 0.762
         Mount                    : AZ-EL
       Date Installed             : 
       Date Removed               : 
       Xmitting Telescope Type    : Refractor
         Aperture              [m]: 0.163
       Date Installed             : 
       Date Removed               : 
       Tracking Camera Type       : NONE
         Model                    : 
         Manufacturer             : 
         Field of View       [deg]: 
         Minimum Magnitude   [mag]: 
       Date Installed             : 
       Date Removed               : 
       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
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.94
       Receive Efficiency         : 0.76
       Date Installed             : 2000-06-09
       Date Removed               : 
       Additional Information     : 
 
 
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  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       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
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 200
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 30
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.093
       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             : 2000-06-09
       Date Removed               : 
       Additional Information     : 1) Receive equipment upgraded to 10Hz for LRO
                                  : support
                                  : 2) Saturable laser upgrade 2008-10-07
                                  : 3) Laser table replaced 2011-03-23 
                                  : 4) SHG stability 2018-05-04  
 
 
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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          : 1e06
            Rise Time         [ps]: 350
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 360
            Date Installed        : 2000-06-09
            Date Removed          : 2007-09-DD
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 2000-06-09
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Few to Multi Photons
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 2000-06-09
            Date Removed          : 
          Additional Information  : 
 
  6.01.02 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : PMT
            Manufacturer          : Photek
            Model                 : PMT-318
            Quantum Efficiency [%]: 13
            Nominal Gain          : 1e07
            Rise Time         [ps]: 350
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 360
            Date Installed        : 2007-09-24
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 2000-06-09
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Few to Multi Photons
            Additional Information: 
          Time of Flight Observ.  : INTERNAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 2000-06-09
            Date Removed          : 2017-11-29
          Additional Information  : 
 
  6.01.03 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : PMT
            Manufacturer          : Photek
            Model                 : PMT-318
            Quantum Efficiency [%]: 13.3
            Nominal Gain          : 1e6
            Rise Time         [ps]: 250
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 6 - 360
            Date Installed        : 2007-09-24
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 2000-06-09
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Single to Multiple Photoelectrons
            Additional Information: 
          Time of Flight Observ.  : Epoch
            Manufacturer          : Cybioms
            Model                 : cybi_ETM-02
            Resolution        [ps]: 1
            Precision         [ps]: 3
            Date Installed        : 2017-11-29
            Date Removed          : 
          Additional Information  : The HP5370B is no longer primary as of
                                  : 2017-11-29, its data is not sent to the
                                  : SLR data centers.
                                  : Replaced PMT power and receive cables 
                                  : 2018-04-08
 
  6.02.01 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 Diam ["]: 360
            Date Installed        : 1986-03-31
            Date Removed          : 2007-09-DD
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 2000-06-09
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Single to Multi Photons
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 2000-06-09
            Date Removed          : 
          Additional Information  : High sensitivity laser receiver conf. 
                                  : 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
 
  6.02.02 Secondary Chain
          Wavelength          [nm]: 532
          Detector Type           : PMT
            Manufacturer          : Photek
            Model                 : PMT-318
            Quantum Efficiency [%]: 13
            Nominal Gain          : 17
            Rise Time         [ps]: 350
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 360
            Date Installed        : 2007-09-24
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 2000-06-09
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Few to Multi Photons
            Additional Information: 
          Time of Flight Observ.  : INTERNAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 2000-06-09
            Date Removed          : 
          Additional Information  : High sensitivity 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
 
  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  : 
 
 
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  7.   Tracking Capabilities
 
  7.01 Satellites
         Very Low Alt (<400 km)   : YES
         Low Altitude (400-2000)  : YES
         LAGEOS/LARES             : YES
         GLONASS                  : YES
         Etalon                   : NIGHT
         GNSS                     : NIGHT
         Geosynchronous           : 
         Moon                     : NO
       Ave. 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
       Laser Polarization @emitter: 
       Operation
         Months per Year          : 12
         Days per Week            : 7
         Hours per Day            : 24
         Staff per Shift          : 1
         System Shared With       : none
         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      : 2000-06-09 00:00 UT
       Date Last Applicable       : 
       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. Saturdays and
                                  : Sundays 16 hours operation.
 
 
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  8.   Calibration
 
  8.01 Calibration Type           : PRE+POST
       Target Location            : EXTERNAL
       Target Type                : CORNER CUBE
       Target Structure           : CONCRETE PIER
       Number of Targets          : 
       Target Distance(s)      [m]: 198
         Date Measured            : 2000-08-07
         Accuracy             [mm]: 2
         Verification             : multi-target ranging
       Return-Rate Controlled     : NO
       Eye-Safe Method            : 
         Additional Information   : 
       Mode of Operation          : MULTI PHOTON
       Calibration performed      : 5
       Single Shot RMS        [mm]: 5
       Edit Criterion 1st Chain   : ITERATIVE 3.0 SIGMA
       Edit Criterion 2nd Chain   : N.A.
       Application of Cal Data    : AVERAGE
       Date Installed             : 
       Date Removed               : 
       Additional Information     : 
 
 
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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            : Symmetricom (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            : 
          Additional Information  : This Truetime model contains the
                                  : Stanford PRS10 Rubidium Frequency
                                  : Standard
 
  9.01.02 Frequency Standard Type : Rubidium disciplined by GPS
          Model                   : XL-DC 151-358-108-2
          Manufacturer            : Symmetricom (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            : 2017-11-03
          Additional Information  : This Truetime model contains the
                                  : Stanford PRS10 Rubidium Frequency
                                  : Standard
 
  9.01.03 Frequency Standard Type : Rubidium disciplined by GPS
          Model                   : XL-DC Model 151-358-108-2 S/N: 00214843
          Manufacturer            : Symmetricom (TrueTime)
          Short Term Stab.  [e-12]: 10
          Long Term Stab.   [e-12]: 3
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 100
          Date Installed          : 2017-11-03
          Date Removed            : 
          Additional Information  : This Truetime model contains the
                                  : Stanford PRS10 Rubidium Frequency
                                  : Standard
 
  9.02.01 GNSS Timing Rcvr Model  : XL-DC 151-358-108-2
          Manufacturer            : Symmetricom (TrueTime)
          Date Installed          : 2000-06-09
          Date Removed            : 
          Additional Information  : CNS clock used for comparisons
 
  9.03.01 One-way System Calibration
          Date performed          : 
          Direction Calibrated    : 
          Additional Information  : 
 
 
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 10.   Preprocessing Information
 
 10.01 On-site NP Generation      : NO
       Data Screening             : IRV+POLYNOMIAL
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : ITERATIVE 3.0 SIGMA
       Edit Criterion 2nd Chain   : N.A.
       Upload interval            : HOURLY
       Date First Applicable      : 2000-06-09 HH:MM UT
       Date Last Applicable       : 2002-06-19 HH:MM UT
       Additional Information     : 
 
 10.02 On-site NP Generation      : YES
       Data Screening             : IRV+POLYNOMIAL
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : ITERATIVE 3.0 SIGMA
       Edit Criterion 2nd Chain   : N.A.
       Upload interval            : HOURLY
       Date First Applicable      : 2002-06-19 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : Generic Normal Point Processing
                                  : System 2.7.4 installed 2002-06-19
                                  : at 06:30 UT
 
 
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 11.   Aircraft Detection
 
 11.01 Detection Type             : RADAR
       Manufacturer/Provider      : 
       Automatic Laser Shutoff    : 
       Alarms Recorded            : 
       Hazard Distance        [km]: 
       Date Installed             : 2000-06-09
       Date Removed               : 
       Additional Information     : 
 
 
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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]: 4
          Distance from SRP    [m]: 
          Date Installed          : 2000-06-09 HH:MM UT
          Calibration Interval    : YEARLY
          Date Removed            : 2011-07-28 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.
 
 12.01.02 Pressure Sensor Model   : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : PER PULSE
          Accuracy          [mbar]: 0.08
          Height Diff to SRP   [m]: -0.15
          Distance from SRP    [m]: 
          Date Installed          : 2011-07-28 HH:MM UT
          Calibration Interval    : biyearly
          Date Removed            : 
          Additional Information  : 
 
 12.02.01 Temp Sensor Model       : MET3
          Manufacturer            : Paroscientific
          Recording Interval      : PER PULSE
          Accuracy         [deg C]: 0.5
          Date Installed          : 2000-06-09 HH:MM UT
          Calibration Interval    : YEARLY
          Date Removed            : 2011-07-28 HH:MM UT
          Additional Information  : 
 
 12.02.02 Temp Sensor Model       : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : EVERY PULSE
          Accuracy         [deg C]: 0.2
          Date Installed          : 2011-07-28 HH:MM UT
          Calibration Interval    : BIYEARLY
          Date Removed            : 
          Additional Information  : 
 
 12.03.01 Humidity Sensor Model   : MET3
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2000-06-09 HH:MM UT
          Calibration Interval    : YEARLY
          Date Removed            : 2011-07-28 HH:MM UT
          Additional Information  : (multiple lines)
 
 12.03.02 Humidity Sensor Model   : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2011-07-28 HH:MM UT
          Calibration Interval    : BIYEARLY
          Date Removed            : 
          Additional Information  : (multiple lines)
 
 12.03.03 Humidity Sensor Model   : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2011-07-28 HH:MM UT
          Calibration Interval    : BIYEARLY
          Date Removed            : 2015-09-08 HH:MM UT
          Additional Information  : 
 
 12.03.04 Humidity Sensor Model   : MET4 S/N:115135 
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2015-09-08 HH:MM UT
          Calibration Interval    : BIYEARLY
          Date Removed            : 
          Additional Information  : (multiple lines)
                                  : Barometer reference level
                                  : aligned to the level
                                  : of telescope elevation axis
 
 
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 13.   Local Ties, Eccentricities, and Collocation Information
 
 13.01 Collocated Permanent Geodetic Systems
 
 13.01.01.01 GNSS                 : IGS
             Date Installed       : 1996-09-05
             Date Removed         : 
             Additional Info      : (multiple lines)
 13.01.01.02 GNSS                 : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.02.01 DORIS                : IDS
             Date Installed       : 1988-03-10
             Date Removed         : 1997-05-23
             Additional Info      : HBKA
 13.01.02.02 DORIS                : IDS
             Date Installed       : 1997-05-30
             Date Removed         : 2000-08-08
             Additional Info      : HBLA
 13.01.02.03 DORIS                : IDS
             Date Installed       : 2000-08-09
             Date Removed         : 
             Additional Info      : HBKB
 13.01.03.01 PRARE                : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.04.01 VLBI                 : YES
             Date Installed       : 1961-01-01
             Date Removed         : 
             Additional Info      : 
 13.01.05.01 Gravimeter           : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 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           : HRAO
          Instrumentation Type    : GPS
          Instrumentation Status  : PERMANENT
          DOMES Number            : 30302M004
          CDP Number              : 
          Differential Components (ITRS)
            dx                 [m]: 48.6258 +- 0.0030
            dy                 [m]: -65.5916 +- 0.0014
            dz                 [m]: 42.7988 +- 0.0024
            Date Measured         : 2003-08-01
            Determined by         : IGN
          Date Installed          : 1996-09-05
          Date Removed            : 
          Additional Information  : 
 
 13.03.01.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : HRAO
                DOMES Number      : 30302M004
                CDP Number        : 
          To:   Monument Name     : 7232
                DOMES Number      : 30302S001
                CDP Number        : 7232
          Differential Components (ITRS)
            dx                 [m]: 90.3001 +- 0.0039
            dy                 [m]: -132.1879 +- 0.0023
            dz                 [m]: 34.6539 +- 0.0044
            Date Measured         : 2003-08-01
            Determined by         : IGN
          Additional Information  : 
 
 13.03.02.01 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  : 
 
 
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 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : 
       Event                      : 
       Additional Information     : 
 
 
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 15.   On-Site, Point of Contact Agency Information
 
       Agency                     : Hartebeesthoek Radio Astronomy Observatory
       Mailing Address            : P.O. Box 443
                                  : Krugersdorp 1740
                                  : South Africa
       Website                    : 
       Primary Contact
         Contact Name             : Roelf Botha
         Telephone (primary)      : +2712 301 3100
         Telephone (secondary)    : +2712 301 3226
         Fax                      : +2712 301 3300
         E-mail                   : roelf@hartrao.ac.za
       Secondary Contact
         Contact Name             : Willy Moralo
         Telephone (primary)      : +2712 301 3100
         Telephone (secondary)    : +2712 301 3215
         Fax                      : +2712 301 3300
         E-mail                   : willy@hartrao.ac.za
       Tertiary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : 
 
 
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 16.   Responsible Agency (if different from 15.)
 
       Agency                     : NASA
       Mailing Address            : NASA Goddard, Code 61A
                                  : 8800 Greenbelt Road
                                  : Greenbelt, MD 20771 USA
       Primary Contact
         Contact Name             : Rivers Lamb
         Telephone (primary)      : 301-286-1128
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : rivers.lamb@nasa.gov
       Secondary Contact
         Contact Name             : Stephen Merkowitz
         Telephone (primary)      : 301-286-9412
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : stephen.m.merkowitz@nasa.gov
       Additional Information     : 
 
 
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 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     : 
 
 
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