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Greenbelt: Site Log

Instructions and Update 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)    : Robin Dixon
       Preparer E-mail            : rdixon07@peraton.com
       Date Prepared              : 2019-02-04
       Report Type                : UPDATE
       Site Log Format Version    : 2.0
       Site Log Revision          : 
 
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Goddard Geophysical Astronomical Observatory
       IERS DOMES Number          : 40451M105
       CDP Pad ID                 : 7105
       Subnetwork                 : NASA
       Description                : MONUMENT
       Monument Description       : STANDARD NASA DISK
       Monument Inscription       : 7105-1981
       Mark Description           : Chiseled Cross
       Date Installed             : 1981-03-01
       Date Removed               : 
       Geologic Characteristic    : CRETACEOUS SAND AND GRAVEL
       Additional Information     : (multiple lines)
 
 
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  2.   Site Location Information
 
       City or Town               : Greenbelt
       State or Province          : Maryland
       Country                    : USA
       Tectonic Plate             : North American
       Local Time (UTC +/- hours) : 
       Approximate Position
         X coordinate          [m]: 1130719.512
         Y coordinate          [m]: -4831350.574
         Z coordinate          [m]: 3994106.56
         Latitude            [deg]: 39.0206 N
         Longitude           [deg]: 76.82770 W
         Elevation             [m]: 19.184
       Survey Method              : 
       Date Measured              : 
       Additional Information     : 
 
 
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  3.   General System Information
 
  3.01 System Name                : MOBLAS 7
       4-Character Code           : GODL
       CDP System Number          : 07
       CDP Occupation Number      : 25
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: -0.009 +- 0.002
         East                  [m]: -0.032 +- 0.002
         Up                    [m]: 3.138 +- 0.002
         Date Measured            : 2013-11-23
       Date Installed             : 1981-03-01
       Date Removed               : 
       Additional Information     : Updated with 2012-11-23 survey and ITRF 2008
 
 
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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       : EMCCD
         Model                    : SI-VGA60-EM
         Manufacturer             : SALVADOR IMAGING (FLIR)
         Field of View       [deg]: 0.100
         Minimum Magnitude   [mag]: 12
       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       : BAR HON-0532.0/1.00-25.4 (THIN FILM)
       Dayl. Filt. Bandwidth  [nm]: 1
       Adjustable Attenuation     : RECEIVE
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.70
       Receive Efficiency         : 0.73
       Date Installed             : 1981-03-01
       Date Removed               : 
       Additional Information     : RCV EFF 0.73 night and 0.54 day
 
 
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  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 1
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 200
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 100
       Xmit Energy Adjustable     : YES
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 200
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 20
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.093 (At Final Telescope Output)
       Eyesafe                    : NO
       Eyesafe Standard           : ANSI 136.1/ANSI Z136.6
       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             : 1981-03-01
       Date Removed               : 2007-09-12
       Additional Information     : Saturable laser upgrade 2007-09-12
 
  5.02 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 1
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 200
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 100
       Xmit Energy Adjustable     : YES
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 150
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 20
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.093 (At Final Telescope Output)
       Eyesafe                    : NO
       Eyesafe Standard           : ANSI 136.1/ANSI Z136.6
       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             : 2007-09-12
       Date Removed               : 
       Additional Information     : 
 
 
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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          : 1e6
            Rise Time         [ps]: 350
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 360
            Date Installed        : 1986-03-31
            Date Removed          : 2003-04-30
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 1986-03-31
            Date Removed          : 2003-04-30
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Single Photoelectron to multiphotoelectron
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 1986-03-31
            Date Removed          : 2003-04-30
          Additional Information  : (multiple lines)
 
  6.01.02 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : MCP
            Manufacturer          : Photek
            Model                 : PMT318
            Quantum Efficiency [%]: 13.3
            Nominal Gain          : 1e6
            Rise Time         [ps]: 250
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 360
            Date Installed        : 2003-04-30
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 1986-03-31
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Single to Multiple Photoelectrons
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 1986-03-31
            Date Removed          : 2016-07-27
          Additional Information  : 
 
  6.01.03 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : MCP
            Manufacturer          : Photek
            Model                 : PMT318
            Quantum Efficiency [%]: 13.3
            Nominal Gain          : 1e6
            Rise Time         [ps]: 250
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 6 - 360
            Date Installed        : 2003-04-30
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 1986-03-31
            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        : 2016-07-27
            Date Removed          : 
          Additional Information  : The HP5370B is no longer primary as of
                                  : 2016-07-27, its data is not sent to the
                                  : SLR data centers.
 
  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          : 2003-04-30
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 1986-03-31
            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        : 1986-03-31
            Date Removed          : 
          Additional Information  : High sensivity laser receiver configuration,
                                  : installed 1996-05-19. 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           : MCP + Amplifier
            Manufacturer          : Photek + B&H Electronics
            Model                 : PMT318 + DC3000H20
            Quantum Efficiency [%]: 13.3
            Nominal Gain          : 1e7
            Rise Time         [ps]: 250
            Jitter (Single PE)[ps]: 100
            Field of View Diam ["]: 6 - 360
            Date Installed        : 2003-04-30
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 1986-03-31
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : Single to Multi Photoelectrons
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Hewlett-Packard
            Model                 : 5370B
            Resolution        [ps]: 20
            Precision         [ps]: 35
            Date Installed        : 1986-03-31
            Date Removed          : 
          Additional Information  : High sensivity laser receiver configuration,
                                  : installed 1996-05-19.
 
  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                   : YES
         GNSS                     : NIGHT
         Geosynchronous           : 
         Moon                     : NO
       Ave. Pass Switch Time   [s]: 60
       Average values for LAGEOS
         Single Shot RMS      [mm]: 9
         # of Obs per NP          : 25
         Use of Semi-trains       : NO
         # of Semi-train Tracks   : N.A.
       Range Gate Width       [ns]: 2000
       Beam Pointing Accuracy  ["]: 3.6
       Angle Encoder Resolution["]: 0.6
       Min. Tracking Elev.   [deg]: 10
       Laser Polarization @emitter: 
       Operation
         Months per Year          : 12
         Days per Week            : 5
         Hours per Day            : 24
         Staff per Shift          : 1
         System Shared With       : SLR ENGINEERING
         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      : 1996-12-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : Station is not available for ranging
                                  : on US holidays.  Single Shot RMS 5-11.
 
 
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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]: 170
         Date Measured            : 1998-12-12
         Accuracy             [mm]: 2
         Verification             : first order survey and ranging to multiple 
                                  : ground targets
       Return-Rate Controlled     : YES
       Eye-Safe Method            : 
         Additional Information   : Maximum interval between calibrations = 2 hr
       Mode of Operation          : SINGLE/MULTI PHOTON
       Calibration performed      : 2
       Single Shot RMS        [mm]: 1.5 - 3.5
       Edit Criterion 1st Chain   : ITERATIVE 3.0 SIGMA
       Edit Criterion 2nd Chain   : ITERATIVE 3.0 SIGMA
       Application of Cal Data    : AVERAGE
       Date Installed             : 1990-07-24
       Date Removed               : 
       Additional Information     : 
 
 
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  9.   Time and Frequency Standards
 
  9.01.01 Frequency Standard Type : Cesium
          Model                   : 5061A
          Manufacturer            : HP
          Short Term Stab.  [e-12]: 10
          Long Term Stab.   [e-12]: 0.1
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 100
          Date Installed          : 
          Date Removed            : 1999-05-23
          Additional Information  : 
 
  9.01.02 Frequency Standard Type : GPS Steered Rubidium
          Model                   : XL-DC 151-358-108-2
          Manufacturer            : Microsemi (Symmetricom, TrueTime)
          Short Term Stab.  [e-12]: 1000
          Long Term Stab.   [e-12]: 3
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 150
          Date Installed          : 1999-05-23
          Date Removed            : 
          Additional Information  : Rubidium Reference - Stanford PRS10
 
  9.02.01 GNSS Timing Rcvr Model  : XL-DC 151-358-108-2
          Manufacturer            : Microsemi (Symmetricom, TrueTime)
          Date Installed          : 1999-03-04
          Date Removed            : 
          Additional Information  : CNS clock used for comparisons
 
  9.02.02 GNSS Timing Rcvr Model  : 
          Manufacturer            : CNS CLOCK
          Date Installed          : 1999-03-04
          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      : YES
       Data Screening             : IRV+POLYNOMIAL
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : ITERATIVE 3 SIGMA
       Edit Criterion 2nd Chain   : ITERATIVE 3 SIGMA
       Upload interval            : HOURLY
       Date First Applicable      : 1991-12-09 HH:MM UT
       Date Last Applicable       : 2001-02-08 HH:MM UT
       Additional Information     : 
 
 10.02 On-site NP Generation      : YES
       Data Screening             : (O-C)POLYNOMIAL
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : ITERATIVE 3.0 SIGMA
       Edit Criterion 2nd Chain   : ITERATIVE 3 SIGMA
       Upload interval            : HOURLY
       Date First Applicable      : 2001-02-08 HH:MM UT
       Date Last Applicable       : 2012-08-01 HH:MM UT
       Additional Information     : Generic Normal Processing Version 2.7.3 
                                  : installed 2001-02-08.
 
 10.03 On-site NP Generation      : YES
       Data Screening             : (O-C)POLYNOMIAL
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : ITERATIVE 3.0 SIGMA
       Edit Criterion 2nd Chain   : ITERATIVE 3 SIGMA
       Upload interval            : HOURLY
       Date First Applicable      : 2012-08-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : Generic Normal Point Processing 
                                  : Version 2.7.4 installed 2012-08-01
 
 
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 11.   Aircraft Detection
 
 11.01 Detection Type             : RADAR
       Manufacturer/Provider      : 
       Automatic Laser Shutoff    : 
       Alarms Recorded            : 
       Hazard Distance        [km]: 
       Date Installed             : 1994-08-31
       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]: 0
          Distance from SRP    [m]: 
          Date Installed          : 2000-03-30 HH:MM UT
          Calibration Interval    : biennial
          Date Removed            : 2011-04-11 HH:MM UT
          Additional Information  : (multiple lines)
 
 12.01.02 Pressure Sensor Model   : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : PER PULSE
          Accuracy          [mbar]: 0.08
          Height Diff to SRP   [m]: 0
          Distance from SRP    [m]: 
          Date Installed          : 2011-04-11 HH:MM UT
          Calibration Interval    : biennial
          Date Removed            : 
          Additional Information  : Updated June 2016 to reflect aligned to the
                                  : center of the elevation axis
 
 12.02.01 Temp Sensor Model       : MET3
          Manufacturer            : Paroscientific
          Recording Interval      : PER PULSE
          Accuracy         [deg C]: 0.5
          Date Installed          : 2000-03-30 HH:MM UT
          Calibration Interval    : biennial
          Date Removed            : 2011-04-11 HH:MM UT
          Additional Information  : 
 
 12.02.02 Temp Sensor Model       : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : PER PULSE
          Accuracy         [deg C]: 0.2
          Date Installed          : 2011-04-11 HH:MM UT
          Calibration Interval    : biennial
          Date Removed            : 
          Additional Information  : 
 
 12.03.01 Humidity Sensor Model   : MET3
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2000-03-30 HH:MM UT
          Calibration Interval    : biennial
          Date Removed            : 2011-04-11 HH:MM UT
          Additional Information  : 
 
 12.03.02 Humidity Sensor Model   : MET4
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2011-04-11 HH:MM UT
          Calibration Interval    : biennial
          Date Removed            : 
          Additional Information  : 
 
 
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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       : 1993-04-02
             Date Removed         : 
             Additional Info      : 
 13.01.01.02 GNSS                 : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.02.01 DORIS                : IDS
             Date Installed       : 2000-06-29
             Date Removed         : 
             Additional Info      : 
 13.01.03.01 PRARE                : NO
             Date Installed       : 1995-05-01
             Date Removed         : 
             Additional Info      : 
 13.01.04.01 VLBI                 : IVS
             Date Installed       : 1993-04-01
             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           : 
          Instrumentation Type    : 
          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     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : North GEOS Pier
                DOMES Number      : 40451M110
                CDP Number        : 
          Differential Components (ITRS)
            dx                 [m]: 11.6967 +- 0.002
            dy                 [m]: 27.9696 +- 0.002
            dz                 [m]: 29.9564 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.02.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : CDP Station 7125 
                DOMES Number      : 40451M114
                CDP Number        : 7125
          Differential Components (ITRS)
            dx                 [m]: 26.0377 +- 0.002
            dy                 [m]: -17.4605 +- 0.002
            dz                 [m]: -29.3887 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.03.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : CDP Station 7920
                DOMES Number      : 40451M117
                CDP Number        : 7920
          Differential Components (ITRS)
            dx                 [m]: 22.1812 +- 0.002
            dy                 [m]: -19.2155 +- 0.002
            dz                 [m]: -30.4096 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.04.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : CDP Station 7130
                DOMES Number      : 40451M116
                CDP Number        : 7130
          Differential Components (ITRS)
            dx                 [m]: 15.5755 +- 0.002
            dy                 [m]: 25.9070 +- 0.002
            dz                 [m]: 25.8559 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.05.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : CDP Station 7918
                DOMES Number      : 40451M120
                CDP Number        : 7918
          Differential Components (ITRS)
            dx                 [m]: -14.4196 +- 0.002
            dy                 [m]: 5.1378 +- 0.002
            dz                 [m]: 9.4549 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.06.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : JPL 4006 (GPS East)
                DOMES Number      : 40451M123
                CDP Number        : 4006
          Differential Components (ITRS)
            dx                 [m]: 54.2314 +- 0.002
            dy                 [m]: 97.0090 +- 0.002
            dz                 [m]: 93.8623 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : IGS site code is GODE.
                                  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.07.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : SGP 7108
                DOMES Number      : 40451M125
                CDP Number        : 7108
          Differential Components (ITRS)
            dx                 [m]: 75.1266 +- 0.002
            dy                 [m]: 116.7620 +- 0.002
            dz                 [m]: 110.5077 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : 7108 is the Mobile VLBI (MV)-3 marker.
                                  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.08.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : JPL 4005 (GPS West)
                DOMES Number      : 40451M124
                CDP Number        : 4005
          Differential Components (ITRS)
            dx                 [m]: 33.3058 +- 0.002
            dy                 [m]: 88.3919 +- 0.002
            dz                 [m]: 88.9674 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : IGS site code is GODW.
                                  : For more information about
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.09.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : MV-3 SRP (VLBI)
                DOMES Number      : 40451M125
                CDP Number        : 7108
          Differential Components (ITRS)
            dx                 [m]: 75.9012 +- 0.002
            dy                 [m]: 113.5125 +- 0.002
            dz                 [m]: 113.2697 +- 0.002
            Date Measured         : 1998-12-12
            Determined by         : HTSI
          Additional Information  : This is the system reference point
                                  : for MV-3. For more information
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 13.03.10.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : CDP Station 7105
                DOMES Number      : 40451M105
                CDP Number        : 7105
          To:   Monument Name     : GREB (DORIS)
                DOMES Number      : 40451S176
                CDP Number        : N.A.
          Differential Components (ITRS)
            dx                 [m]: -8.343 +- 0.002
            dy                 [m]: -41.346 +- 0.002
            dz                 [m]: -45.362 +- 0.002
            Date Measured         : 2000-01-01
            Determined by         : HTSI
          Additional Information  : For more information
                                  : contact Jim Long at
                                  : James.L.Long@nasa.gov
 
 
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 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : 2011-08-23 17:51 UT
       Event                      : Earthquake
       Additional Information     : M5.8 about 94 miles from Greenbelt
                                  : near Mineral, VA. Survey post earthquake
                                  : showed no conclusive change.
 
 
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 15.   On-Site, Point of Contact Agency Information
 
       Agency                     : Peraton
       Mailing Address            : NASA SLR 
                                  : Attn: Christopher Szwec
                                  : 7855 Walker Drive
                                  : Greenbelt, MD 20770
       Website                    : 
       Primary Contact
         Contact Name             : Maceo Blount
         Telephone (primary)      : 301-286-5050
         Telephone (secondary)    : 301-310-1237
         Fax                      : 301-286-1636
         E-mail                   : mbloun02@peraton.com
       Secondary Contact
         Contact Name             : Christophser Szwec
         Telephone (primary)      : 301-823-2609
         Telephone (secondary)    : 
         Fax                      : 301-823-2501
         E-mail                   : cszwec@peraton.com
       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            : Goddard Space Flight Center, 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   : http://cddis.gsfc.nasa.gov/ggao/index.html
       Hardcopy on File
         Site Map                 : YES
         Site Diagram             : YES
         Horizon Mask             : YES
         Monument Description     : YES
         Site Pictures            : YES
       Additional Information     : 
 
 
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