NASA will be performing network maintenance on Wednesday, November 20, 2024, between 11:00 AM EST and 1:00 PM EST (16:00 to 18:00 UTC). There will be two periods of about five minutes of disruption. During these peroids, the ILRS website will be unavailable during the outages. If you experience problems outside this window, contact support-cddis@nasa.gov.

close window
sitelog navigation structure General Site Log Meteorological Data LAGEOS Performance Satellite Data Info

Wettzell (TIGO): Site Log

Instructions and Update Site Log

You can use the hyperlinks to quickly get to the section of interest or you can scroll down to read them all.

Section: 0. 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)    : Stefan Riepl
       Preparer E-mail            : riepl@wettzell.ifag.de
       Date Prepared              : 2002-05-09
       Report Type                : UPDATE
       Site Log Format Version    : 2.0
       Site Log Revision          : 
 
 
  Back to top
 
 
  1.   Identification of the Ranging System Reference Point (SRP)
 
       Site Name                  : Wettzell
       IERS DOMES Number          : 14201M200
       CDP Pad ID                 : 7594
       Subnetwork                 : EUROLAS
       Description                : MONUMENT
       Monument Description       : PLATE
       Monument Inscription       : NONE
       Mark Description           : NAIL
       Date Installed             : 1997-01-01
       Date Removed               : 
       Geologic Characteristic    : BEDROCK/CLAY
       Additional Information     : System will be shipped to Concepcio/Chile
                                  : by the end of 2001
 
 
  Back to top
 
 
  2.   Site Location Information
 
       City or Town               : Koetzting
       State or Province          : Bavaria
       Country                    : Germany
       Tectonic Plate             : Eurasian
       Local Time (UTC +/- hours) : 
       Approximate Position
         X coordinate          [m]: 4075595.9
         Y coordinate          [m]: 931733.1
         Z coordinate          [m]: 4801568.4
         Latitude            [deg]: 49.1443 N
         Longitude           [deg]: 12.8773 E
         Elevation             [m]: 658.417
       Survey Method              : 
       Date Measured              : 
       Additional Information     : 
 
 
  Back to top
 
 
  3.   General System Information
 
  3.01 System Name                : TIGO
       4-Character Code           : WETT
       CDP System Number          : 79
       CDP Occupation Number      : 01
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: -0.100 +- 0.001
         East                  [m]: -0.055 +- 0.001
         Up                    [m]: 1.467 +- 0.001
         Date Measured            : 1998-01-01
       Date Installed             : 1998-01-01
       Date Removed               : 
       Additional Information     : system eccentricities in original
                                  : site log wett_20001004.log were wrong.
                                  : (i.e. from the optical axes to the
                                  :  marker versus the marker to the
                                  :  optical axes)
 
 
  Back to top
 
 
  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : folded galilean
         Aperture              [m]: 0.5
         Mount                    : AZ-EL
       Date Installed             : 
       Date Removed               : 
       Xmitting Telescope Type    : folded galilean
         Aperture              [m]: 0.1
       Date Installed             : 
       Date Removed               : 
       Tracking Camera Type       : CCD/TV
         Model                    : PROXICAM
         Manufacturer             : PROXICAM
         Field of View       [deg]: 0.016
         Minimum Magnitude   [mag]: 8
       Date Installed             : 
       Date Removed               : 
       Transmit/Receive Path      : COMMON COUDE
       Transmit/Receive Switch    : N.A.
       Max Slew Rate Az    [deg/s]: 10
       Max Slew Rate El    [deg/s]: 10
       Max Used Tracking Rate Az  : 10
       Max Used Tracking Rate El  : 10
       Telescope Shelter          : DOME
       Daylight Filter Type       : AIR SPACED ETALON
       Dayl. Filt. Bandwidth  [nm]: 0.1
       Adjustable Attenuation     : TRANSMIT
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.95
       Receive Efficiency         : 0.9
       Date Installed             : 1998-01-01
       Date Removed               : 
       Additional Information     : Transmit/Receive Switch: `SHARED APERTURE`
 
 
  Back to top
 
 
  5.   Laser System Information
 
  5.01 Laser Type                 : TI:SAP
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 3
       Primary Wavelength     [nm]: 847
       Primary Maximum Energy [mJ]: 60
       Secondary Wavelength   [nm]: 423.5
       Secondary Max. Energy  [mJ]: 30
       Xmit Energy Adjustable     : YES
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 80
       Max. Repetition Rate   [Hz]: 10
       Fullw. Beam Divergence  ["]: 2 - 60
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.1
       Eyesafe                    : NO
       Eyesafe Standard           : DIN VDE 0837 (IEC 825)
       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             : 1998-01-01
       Date Removed               : 
       Additional Information     : 1 regenerative/ 2 linear multipath
                                  : amplifiers
                                  : Start Detector Specifications
                                  : Wavelength        : 847 nm
                                  : Type              : APD linear mode
                                  : Manufacturer      : K.H.Haufe
                                  : Rise Time         : < 100 ps
                                  : Jitter            : 20 ps
                                  : Expose mode       : focused
                                  : Signal Processing : CFD
                                  : Date Installed    : 2001-01-31
                                  : 
                                  : Pulse Width: 80/56
 
 
  Back to top
 
 
  6.   Receiver System
 
  6.01.01 Primary Chain
          Wavelength          [nm]: 423.5
          Detector Type           : CSPAD
            Manufacturer          : PESO Consulting
            Model                 : 1
            Quantum Efficiency [%]: 10
            Nominal Gain          : 1e9
            Rise Time         [ps]: 100
            Jitter (Single PE)[ps]: 80
            Field of View Diam ["]: 60
            Date Installed        : 1998-01-01
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : Time Walk Compensated
            Manufacturer          : Graz
            Model                 : V01
            Date Installed        : 1998-01-01
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : SINGLE/FEW PHOTON
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : PESO Consulting
            Model                 : PET 4
            Resolution        [ps]: 1.22
            Precision         [ps]: 7
            Date Installed        : 2000-07-01
            Date Removed          : 
          Additional Information  : Rise Time: < 100
 
  6.01.02 Primary Chain
          Wavelength          [nm]: 423.5
          Detector Type           : CSPAD
            Manufacturer          : PESO Consulting
            Model                 : 1
            Quantum Efficiency [%]: 10
            Nominal Gain          : 1e9
            Rise Time         [ps]: 100
            Jitter (Single PE)[ps]: 60
            Field of View Diam ["]: 10
            Date Installed        : 1998-01-01
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : Time Walk Compensated
            Manufacturer          : Graz
            Model                 : V01
            Date Installed        : 1998-01-01
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : SINGLE/FEW PHOTON
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Stanford
            Model                 : 620
            Resolution        [ps]: 4
            Precision         [ps]: 30
            Date Installed        : 1998-01-01
            Date Removed          : 2000-07-01
          Additional Information  : Rise Time < 100
 
  6.01.03 Primary Chain
          Wavelength          [nm]: 423.5
          Detector Type           : PMT
            Manufacturer          : Hamamatsu
            Model                 : H7421-50
            Quantum Efficiency [%]: 15
            Nominal Gain          : 1e9
            Rise Time         [ps]: 1000
            Jitter (Single PE)[ps]: 60
            Field of View Diam ["]: 60
            Date Installed        : 2001-01-31
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : ORTEC
            Model                 : QUAD CFD
            Date Installed        : 2001-01-31
            Date Removed          : 
            Amplitude Measurement : NO
            Return-Rate Controlled: YES
            Mode of Operation     : SINGLE PHOTON
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : PESO Consulting
            Model                 : PET 4
            Resolution        [ps]: 1.22
            Precision         [ps]: 3
            Date Installed        : 2000-07-01
            Date Removed          : 
          Additional Information  : Rise Time: < 1000
                                  : Precision: <3
 
  6.01.04 Primary Chain
          Wavelength          [nm]: 423.5
          Detector Type           : APD
            Manufacturer          : Lutz Beyer
            Model                 : SP114
            Quantum Efficiency [%]: 50
            Nominal Gain          : 1e9
            Rise Time         [ps]: 100
            Jitter (Single PE)[ps]: 60
            Field of View Diam ["]: 60
            Date Installed        : 2001-01-31
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : None
            Manufacturer          : 
            Model                 : 
            Date Installed        : 
            Date Removed          : 
            Amplitude Measurement : NO
            Return-Rate Controlled: YES
            Mode of Operation     : SINGLE PHOTON
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : PESO Consulting
            Model                 : PET 4
            Resolution        [ps]: 1.22
            Precision         [ps]: 3
            Date Installed        : 2000-07-01
            Date Removed          : 
          Additional Information  : Rise Time: < 100
                                  : Precision: <3
 
  6.02.01 Secondary Chain
          Wavelength          [nm]: 847.0
          Detector Type           : CSPAD
            Manufacturer          : PESO Consulting
            Model                 : 1
            Quantum Efficiency [%]: 10
            Nominal Gain          : 1e9
            Rise Time         [ps]: 100
            Jitter (Single PE)[ps]: 60
            Field of View Diam ["]: 60
            Date Installed        : 2000-07-01
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : Time Walk Compensated
            Manufacturer          : Graz
            Model                 : V01
            Date Installed        : 2000-07-01
            Date Removed          : 
            Amplitude Measurement : YES
            Return-Rate Controlled: YES
            Mode of Operation     : SINGLE/FEW PHOTON
            Additional Information: 
          Time of Flight Observ.  : EVENT
            Manufacturer          : PESO Consulting
            Model                 : PET 4
            Resolution        [ps]: 1.22
            Precision         [ps]: 3
            Date Installed        : 2000-07-01
            Date Removed          : 
          Additional Information  : Precision: <3
 
  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  : 
 
 
  Back to top
 
 
  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                     : YES
         Geosynchronous           : 
         Moon                     : NO
       Ave. Pass Switch Time   [s]: 60
       Average values for LAGEOS
         Single Shot RMS      [mm]: 24
         # of Obs per NP          : 20
         Use of Semi-trains       : NO
         # of Semi-train Tracks   : N.A.
       Range Gate Width       [ns]: 200
       Beam Pointing Accuracy  ["]: 5
       Angle Encoder Resolution["]: 0.5
       Min. Tracking Elev.   [deg]: 20
       Laser Polarization @emitter: 
       Operation
         Months per Year          : 0
         Days per Week            : 0
         Hours per Day            : 0
         Staff per Shift          : N.A.
         System Shared With       : NOTHING
         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      : 
       Date Last Applicable       : 
       Additional Information     : 
 
 
  Back to top
 
 
  8.   Calibration
 
  8.01 Calibration Type           : PRE+POST
       Target Location            : INTERNAL
       Target Type                : FLAT SURFACE
       Target Structure           : FLIP MIRROR INSIDE TELESCOPE
       Number of Targets          : 
       Target Distance(s)      [m]: -2.351
         Date Measured            : 1998-01-01
         Accuracy             [mm]: 1
         Verification             : 
       Return-Rate Controlled     : YES
       Eye-Safe Method            : 
         Additional Information   : 
       Mode of Operation          : SINGLE PHOTON
       Calibration performed      : 45
       Single Shot RMS        [mm]: 15
       Edit Criterion 1st Chain   : ITERATIVE 2.5 SIGMA
       Edit Criterion 2nd Chain   : ITERATIVE 2.5 SIGMA
       Application of Cal Data    : LINEAR FIT
       Date Installed             : 1998-01-01
       Date Removed               : 
       Additional Information     : 
 
 
  Back to top
 
 
  9.   Time and Frequency Standards
 
  9.01.01 Frequency Standard Type : Cesium
          Model                   : 5071A
          Manufacturer            : HP
          Short Term Stab.  [e-12]: 10
          Long Term Stab.   [e-12]: 0.05
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 10
          Date Installed          : 1997-01-01
          Date Removed            : 
          Additional Information  : 
 
  9.02.01 GNSS Timing Rcvr Model  : 9390
          Manufacturer            : Datum
          Date Installed          : 1997-01-01
          Date Removed            : 
          Additional Information  : 
 
  9.03.01 One-way System Calibration
          Date performed          : 
          Direction Calibrated    : 
          Additional Information  : 
 
 
  Back to top
 
 
 10.   Preprocessing Information
 
 10.01 On-site NP Generation      : YES
       Data Screening             : AUTOMATIC (TIMEBIAS-MODEL) + SOLVE
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : 2.5 SIGMA
       Edit Criterion 2nd Chain   : 2.5 SIGMA
       Upload interval            : AFTER EACH PASS
       Date First Applicable      : 1997-01-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : 
 
 
  Back to top
 
 
 11.   Aircraft Detection
 
 11.01 Detection Type             : RADAR
       Manufacturer/Provider      : 
       Automatic Laser Shutoff    : 
       Alarms Recorded            : 
       Hazard Distance        [km]: 
       Date Installed             : 1997-01-01
       Date Removed               : 
       Additional Information     : 
 
 
  Back to top
 
 
 12.   Meteorological Instrumentation
 
 12.01.01 Pressure Sensor Model   : Digiquartz 740-16B
          Manufacturer            : Paroscientific
          Recording Interval      : EVERY 1 MINUTE
          Accuracy          [mbar]: 0.1
          Height Diff to SRP   [m]: 0
          Distance from SRP    [m]: 
          Date Installed          : 1997-01-01 HH:MM UT
          Calibration Interval    : YEARLY
          Date Removed            : 
          Additional Information  : 
 
 12.02.01 Temp Sensor Model       : 809
          Manufacturer            : Lambrecht
          Recording Interval      : EVERY 1 MINUTE
          Accuracy         [deg C]: 0.3
          Date Installed          : 1997-01-01 HH:MM UT
          Calibration Interval    : MONTHLY
          Date Removed            : 
          Additional Information  : 
 
 12.03.01 Humidity Sensor Model   : 809
          Manufacturer            : Lambrecht
          Recording Interval      : EVERY 1 MINUTE
          Accuracy       [% rel h]: 2.5
          Date Installed          : 1997-01-01 HH:MM UT
          Calibration Interval    : MONTHLY
          Date Removed            : 
          Additional Information  : 
 
 
  Back to top
 
 
 13.   Local Ties, Eccentricities, and Collocation Information
 
 13.01 Collocated Permanent Geodetic Systems
 
 13.01.01.01 GNSS                 : IGS+EUREF
             Date Installed       : 1995-02-09
             Date Removed         : 
             Additional Info      : another IGS site
                                  : installed 1997-02-06
 13.01.01.02 GNSS                 : IGLOS
             Date Installed       : 1999-02-01
             Date Removed         : 
             Additional Info      : 
 13.01.02.01 DORIS                : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.03.01 PRARE                : YES
             Date Installed       : 1997-01-20
             Date Removed         : 1997-02-03
             Additional Info      : Other PRARE installations
                                  : 1996-03-26 to 1996-05-21
                                  : 1996-12-11 to 1996-12-23
                                  : 1997-01-02 to 1997-01-12
 13.01.04.01 VLBI                 : YES
             Date Installed       : 1983-01-01
             Date Removed         : 
             Additional Info      : 
 13.01.05.01 Gravimeter           : SUPERCONDUCTING
             Date Installed       : 1998-11-01
             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           : VLBI, TIGO
          Instrumentation Type    : VLBI
          Instrumentation Status  : MOBILE
          DOMES Number            : 14201S100
          CDP Number              : 7593
          Differential Components (ITRS)
            dx                 [m]: -23.210 +- 0.015
            dy                 [m]: 22.032 +- 0.005
            dz                 [m]: 15.951 +- 0.018
            Date Measured         : 1997-01-01
            Determined by         : ITRF97
          Date Installed          : 1997-01-01
          Date Removed            : 
          Additional Information  : 
 
 13.03.01.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : 
                DOMES Number      : 
                CDP Number        : 
          To:   Monument Name     : 
                DOMES Number      : 
                CDP Number        : 
          Differential Components (ITRS)
            dx                 [m]: 
            dy                 [m]: 
            dz                 [m]: 
            Date Measured         : 
            Determined by         : 
          Additional Information  : 
 
 
  Back to top
 
 
 14.   Local Events Possibly Affecting Computed Position
 
 14.01 Date                       : 
       Event                      : 
       Additional Information     : 
 
 
  Back to top
 
 
 15.   On-Site, Point of Contact Agency Information
 
       Agency                     : Bundesamt fuer Kartographie und Geodaesie
       Mailing Address            : Sackenriederstr. 25, 
                                  : D-93444 Koetzting, Germany
       Website                    : 
       Primary Contact
         Contact Name             : Stefan Riepl
         Telephone (primary)      : +49 9941 603205
         Telephone (secondary)    : +49 9941 603333
         Fax                      : +49 9941 603222
         E-mail                   : riepl@wettzell.ifag.de
       Secondary Contact
         Contact Name             : Armin Boeer
         Telephone (primary)      : +49 9941 603111
         Telephone (secondary)    : +49 9941 603333
         Fax                      : +49 9941 603222
         E-mail                   : boer@wettzell.ifag.de
       Tertiary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : 
 
 
  Back to top
 
 
 16.   Responsible Agency (if different from 15.)
 
       Agency                     : 
       Mailing Address            : 
       Primary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Secondary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : 
 
 
  Back to top
 
 
 17.   More Information
 
       URL for More Information   : http://www.wettzell.ifag.de
       Hardcopy on File
         Site Map                 : NO
         Site Diagram             : NO
         Horizon Mask             : NO
         Monument Description     : YES
         Site Pictures            : YES
       Additional Information     : 
 
 
  Back to top