Stations Arequipa

 
       ILRS Site and System Information Form
       International Laser Ranging Service
 
  0.   Form
 
       Prepared by (Full Name)    : Raul Yanyachi
       Preparer E-mail            : t3mgr@unsa.edu.pe
       Date Prepared              : 2007-02-15
       Report Type                : UPDATE
       Format Version             : 1.1
 
 
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  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Arequipa
       IERS DOMES Number          : 42202M003
       CDP Pad ID                 : 7403
       Subnetwork                 : NASA
       Description                : MONUMENT
       Monument Description       : STANDARD NASA DISK
       Monument Inscription       : NASA 7403-1989
       Mark Description           : Brass Plate
       Date Installed             : 1992-07-10
       Date Removed               : (yyyy-mm-dd)
       Geologic Characteristic    : Eugeosynclinal belt of Mesozoic Age
                                    Quaternary alluvium overlying 
                                    granodioritic upper Cretaceous lower 
                                    Tertiary coastal batholith. This 
                                    batholith contains faulted inliers
                                    of Precambrian gneiss.
       Additional Information     : (multiple lines)
 
 
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  2.   Site Location Information
 
       City or Town               : Characato
       State or Province          : Arequipa 
       Country                    : Peru
       Tectonic Plate             : South American
       Approximate Position
         X coordinate          [m]: 1942808.1
         Y coordinate          [m]: -5804069.7 
         Z coordinate          [m]: -1796915.4
         Latitude            [deg]: 16.4657 S
         Longitude           [deg]: 71.4930 W
         Elevation             [m]: 2489.05
       Additional Information     : (multiple lines)
 
 
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  3.   General System Information
 
  3.01 System Name                : TLRS 3
       4-Character Code           : AREL
       CDP System Number          : 13
       CDP Occupation Number      : 03
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 0.010 +- 0.002
         East                  [m]:-0.006 +- 0.002
         Up                    [m]: 2.695 +- 0.002
         Date Measured            : 1994-03-18
       Date Installed             : 1992-07-10
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
 
  3.02 System Name                : TLRS 3
       4-Character Code           : AREL
       CDP System Number          : 13
       CDP Occupation Number      : 03
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 0.0112 +- 0.002
         East                  [m]:-0.0046 +- 0.002
         Up                    [m]: 2.6951  +- 0.002
         Date Measured            : 2001-06-27
       Date Installed             : 1992-07-10
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : Based on crew measurements to horizontal 
                                    ground targets on June 4 and June 21
                                    and then again on June 27. No significant
                                    change from March 1994 survey 
 
  3.02 System Name                : TLRS 3
       4-Character Code           : AREL
       CDP System Number          : 13
       CDP Occupation Number      : 04
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 
         East                  [m]:
         Up                    [m]: 
         Date Measured            : 
       Date Installed             : 1992-07-10
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : Crew will perform survey measurements in 2007. 
                       
 
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  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : SCHMIDT-CASSEGRAIN CATADIOPTIC
         Aperture              [m]: 0.28
         Mount                    : AZ-EL
       Xmitting Telescope Type    : REFRACTOR
         Aperture              [m]:  
       Tracking Camera Type       : NONE
         Model                    :
         Manufacturer             :
         Field of View       [deg]:
         Minimum Magnitude   [mag]:
       Transmit/Receive Path      : COMMON COUDE
       Transmit/Receive Switch    : POLARIZER
       Max Slew Rate Az    [deg/s]: 12
       Max Slew Rate El    [deg/s]: 12
       Max Used Tracking Rate Az  : 0.25
       Max Used Tracking Rate El  : 0.25
       Telescope Shelter          : DOME
       Daylight Filter Type       : 
       Dayl. Filt. Bandwidth  [nm]:
       Adjustable Attenuation     : RECEIVE
       Transmit Efficiency        : 0.8
       Receive Efficiency         : 
       Date Installed             : 1992-07-10
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
 
 
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  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       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     : NO
       Pulse Width (FWHM)     [ps]: 200
       Max. Repetition Rate   [Hz]: 5
       Fullw. Beam Divergence  ["]: 
       Final Beam Diameter     [m]: 0.09
       Eyesafe                    : NO
       Eyesafe Standard           : ANSI 136.1
       Date Installed             : 1992-07-10
       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
 
 
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  6.   Receiver System
 
  6.01.01 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : MCP
            Manufacturer          : PHOTEK
            Model                 : 
            Quantum Efficiency [%]: 
            Nominal Gain          : 
            Rise Time         [ps]: 
            Jitter (Single PE)[ps]: 
            Field of View      ["]: 
            Date Installed        : 1992-07-10
            Date Removed          : (yyyy-mm-dd)
          Signal Processing       : CFD
            Manufacturer          : Tennelec
            Model                 : TC454
            Date Installed        : 1992-07-10
            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        : 1992-07-10
            Date Removed          : (yyyy-mm-dd)
          Additional Information  : (multiple lines)
 
 
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  7.   Tracking Capabilities
 
  7.01 Satellites
         Very Low Alt (<400 km)   : YES
         Low Altitude (400-2000)  : YES
         Lageos                   : YES
         GLONASS                  : NO
         Etalon                   : NO
         GPS                      : NO
         Moon                     : NO
       Avge Pass Switch Time   [s]: 60
       Average values for Lageos   
         Single Shot RMS      [mm]: 8
         # of Obs per NP          : 25
         Use of Semi-trains       : NO
         # of Semi-train Tracks   : N.A.
       Range Gate Width       [ns]: 2000
       Beam Pointing Accuracy  ["]: 
       Angle Encoder Resolution["]: 1.24
       Min. Tracking Elev.   [deg]: 20
       Operation
         Months per Year          : 12
         Days per Week            : 7
         Hours per Day            : 18 (9 hours weekend)
         Staff per Shift          : 2
         System Shared With       : NOTHING
         Time Allocated to SLR [%]: 75
         Remotely Controllable    : NO
       Date First Applicable      : 1991-03-26
       Date Last Applicable       : (yyyy-mm-dd)
       Additional Information     : Station is not available for ranging
                                    on holidays
 
 
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  8.   Calibration
 
  8.01 Calibration Type           : PRE+POST
       Target Location            : EXTERNAL
       Target Type                : CORNER CUBE
       Target Structure           : CONCRETE PIER
       Target Distance         [m]: 423
         Date Measured            : 1989-04-18
         Accuracy (mm)        [mm]: 5
         Verification             : First order survey and ranging to multiple ground targets
       Return-rate Controlled     : YES
       Mode of Operation          : FEW to MULTI
       Average Cal Interval  [min]: 3
       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             : 1989-04-18
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
 
 
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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            : TrueTime
          Short Term Stab.  [e-12]: 10
          Long Term Stab.   [e-12]: 3
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: <100
          Date Installed          : 2001-05-26
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : This Truetime model contains the
                                    Stanford PRS10 Rubidium Frequency
                                    Standard
 
  9.01.02 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          : 1997-03-12
          Date Removed            : 2001-05-26
          Additional Information  : (multiple lines)
 
  9.02.01 GPS Timing Rcvr Model   : XL-DC 151-358-108-2
          Manufacturer            : TrueTime
          Date Installed          : 1999-07-01
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : CNS clock used for comparisons
 
  9.02.02 GPS Timing Rcvr Model   : 
          Manufacturer            : CNS CLOCK
          Date Installed          : 1999-07-01
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : CNS clock used for back-up
                                    starting on 2001-05-26
 
 
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 10.   Preprocessing Information
 
 10.01 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      : 1992-03-01
       Date Last Applicable       : 2001-05-23
       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      : 2001-05-23
       Date Last Applicable       : (yyyy-mm-dd hh:mm UT)
       Additional Information     : Generic Normal Processing Version 2.0 
                                    installed 2001-05-23.
 
 
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 11.   Aircraft Detection
 
 11.01 Detection Type             : MOUNT OBSERVER
       Date Installed             : 1992-07-10
       Date Removed               : (yyyy-mm-dd)
       Additional Information     : (multiple lines)
 
 
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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]: 0.15
          Date Installed          : 1998-11-12
          Calibration Interval    : YEARLY
          Date Removed            : (yyyy-mm-dd hh:mm UT)
          Additional Information  : (multiple lines)
 
 12.02.01 Temp Sensor Model       : MET3
          Manufacturer            : Paroscientific
          Recording Interval      : PER PULSE
          Accuracy         [deg C]: 0.5
          Date Installed          : 1999-07-21
          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          : 1998-11-12
          Calibration Interval    : YEARLY
          Date Removed            : (yyyy-mm-dd hh:mm UT)
          Additional Information  : (multiple lines)
 
 12.04.01 Humidity Sensor Model   : MET3
          Manufacturer            : Paroscientific
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 2
          Date Installed          : 2006-07-14
          Calibration Interval    : YEARLY
          Date Removed            : (yyyy-mm-dd hh:mm UT)
          Additional Information  : (multiple lines)
 
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 13.   Local Ties, Eccentricities, and Collocation Information
 
 13.01 Collocated Permanent Geodetic Systems
 
       GPS                        : IGS
         Date Installed           : 1994-02-01
         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           : 1988-12-16
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
       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   : (multiple lines)
       Gravimeter                 : NO
         Date Installed           : (yyyy-mm-dd)
         Date Removed             : (yyyy-mm-dd)
         Additional Information   : (multiple lines)
 
 13.02.xx Local Ties from the SRP to Other Monuments or Systems on Site
   
          Monument Name           : 
          Instrumentation Type    : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/NONE)
          Instrumentation Status  : (PERMANENT/MOBILE)
          DOMES Number            : (XXXXXXXXX)
          CDP Number              : (XXXX)
          Differential Components (ITRS)
            dx                 [m]: (m +- m)
            dy                 [m]: (m +- m)
            dz                 [m]: (m +- m)
            Date Measured         : (yyyy-mm-dd)
            Determined by         :
          Date Installed          : (yyyy-mm-dd)
          Date Removed            : (yyyy-mm-dd)
          Additional Information  : (multiple lines)
 
 13.03.01 Eccentricities Between Other Monuments on Site 
 
          From: Monument Name     : Mark SLR
                DOMES Number      : 42202M003
                CDP Number        : 7403
          To:   Monument Name     : SAO-2 fixed laser
                DOMES Number      : 42202S001
                CDP Number        : 7907
          Differential Components (ITRS)
            dx                 [m]: -16.021 +- 0.002
            dy                 [m]:  -7.914 +- 0.002
            dz                 [m]:  -3.651 +- 0.002
            Date Measured         : 1994-03-18
            Determined by         : HTSI
          Additional Information  : (multiple lines)
 
 13.03.02 Eccentricities Between Other Monuments on Site 
 
          From: Monument Name     : Mark SLR
                DOMES Number      : 42202M003
                CDP Number        : 7403
          To:   Monument Name     : GPS marker JPL 4021-s  
                DOMES Number      : 42202M005
                CDP Number        : N.A.
          Differential Components (ITRS)
            dx                 [m]:  18.615 +- 0.002
            dy                 [m]:  -0.548 +- 0.002
            dz                 [m]:  21.499 +- 0.002
            Date Measured         : 1994-03-18
            Determined by         : HTSI
          Additional Information  : (multiple lines)
 
 13.03.03 Eccentricities Between Other Monuments on Site 
 
          From: Monument Name     : Mark SLR
                DOMES Number      : 42202M003
                CDP Number        : 7403
          To:   Monument Name     : DORIS antenna ref. pt
                DOMES Number      : 42202S005 
                CDP Number        : N.A.
          Differential Components (ITRS)
            dx                 [m]: -11.368 +- 0.002
            dy                 [m]:  -8.020 +- 0.002
            dz                 [m]:  -3.627 +- 0.002
            Date Measured         : 1994-03-18
            Determined by         : HTSI
          Additional Information  : (multiple lines)
 
 13.03.03 Eccentricities Between Other Monuments on Site 
 
          From: Monument Name     : Mark SLR
                DOMES Number      : 42202M003
                CDP Number        : 7403
          To:   Monument Name     : DORIS antenna ref. pt
                DOMES Number      : 42202S005 
                CDP Number        : N.A.
          Differential Components (ITRS)
            dx                 [m]: 
            dy                 [m]:  
            dz                 [m]:  
            Date Measured         : 
            Determined by         : HTSI
          Additional Information  : (Measurements will occur in 2007)
 
 
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 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : 2001-06-23 20:33 UT
       Event                      : EARTHQUAKE
       Additional Information     : 8.4 earthquake was centered 180Km west of
                                    site
 
 14.02 Date                       : 2001-07-07 09:38 UT
       Event                      : EARTHQUAKE
       Additional Information     : 7.6 aftershock of the June 23rd earthquake
                                    was centered 100Km South of the site
 
 
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 15.   On-Site, Point of Contact Agency Information
 
       Agency                     : UNSA
       Mailing Address            : CASILLA POSTAL 2095 AREQUIPA
       Primary Contact
         Contact Name             : RAUL YANYACHI
         Telephone (primary)      : 051-054-448211
         Telephone (secondary)    : 051-054-959626624
         Fax                      : 051-054-448418	
         E-mail                   : t3mgr@unsa.edu.pe
       Secondary Contact
         Contact Name             : JANETH CACERES
         Telephone (primary)      : 051-054-448211
         Telephone (secondary)    : 051-054-959518781
         Fax                      : 051-054-448418
         E-mail                   : 
       Additional Information     : (multiple lines)
 
 
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 16.   Responsible Agency (if different from 15.)
 
       Agency                     : NASA, Code 453
       Mailing Address            : Code 453
                                    NASA/GSFC
                                    Greenbelt, MD 200771 USA	
       Primary Contact
         Contact Name             : David Carter
         Telephone (primary)      : 1-301-614-5966
         Telephone (secondary)    :
         Fax                      : 1-301-614-5970
         E-mail                   : David.L.Carter@nasa.gov
       Secondary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : (multiple lines)
 
 
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 17.   More Information
 
       URL for More Information   : http://www.unsa.edu.pe/invest_cooper/nasa/introduccion.htm
       Hardcopy on File
         Site Map                 : YES
         Site Diagram             : YES
         Horizon Mask             : YES
         Monument Description     : YES
         Site Pictures            : YES
       Additional Information     : (multiple lines)
 
 
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