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

Lviv: 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)    : Andriy Bilinsky
       Preparer E-mail            : slr1831@ukr.net
       Date Prepared              : 2014-01-13
       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                  : Lviv
       IERS DOMES Number          : 12368S001
       CDP Pad ID                 : 1831
       Subnetwork                 : ILRS
       Description                : AZ EL INTERSECT
       Monument Description       : PILLAR
       Monument Inscription       : NONE
       Mark Description           : CROSSED AXES
       Date Installed             : 1998-10-01
       Date Removed               : 
       Geologic Characteristic    : CONGLOMERATE
       Additional Information     : 
 
 
  Back to top
 
 
  2.   Site Location Information
 
       City or Town               : Lviv
       State or Province          : Bryuhovychi
       Country                    : Ukraine
       Tectonic Plate             : Eurasian
       Local Time (UTC +/- hours) : 
       Approximate Position
         X coordinate          [m]: 3760674.975
         Y coordinate          [m]: 1670776.340
         Z coordinate          [m]: 4857165.479
         Latitude            [deg]: 49.9176 N
         Longitude           [deg]: 23.9572 E
         Elevation             [m]: 359.368
       Survey Method              : 
       Date Measured              : 
       Additional Information     : Bryuhovychi is a village ~10 km from Lviv
 
 
  Back to top
 
 
  3.   General System Information
 
  3.01 System Name                : Lviv
       4-Character Code           : LVIL
       CDP System Number          : 85
       CDP Occupation Number      : 01
       Eccentricity to SRP (if Not Identical With SRP)
         North                 [m]: 
         East                  [m]: 
         Up                    [m]: 
         Date Measured            : 
       Date Installed             : 1998-10-01
       Date Removed               : 
       Additional Information     : 
 
 
  Back to top
 
 
  4.   Telescope Information
 
  4.01 Receiving Telescope Type   : CASSEGRAIN
         Aperture              [m]: 1
         Mount                    : ALT-AZ
       Date Installed             : 
       Date Removed               : 
       Xmitting Telescope Type    : CASSEGRAIN
         Aperture              [m]: 1
       Date Installed             : 
       Date Removed               : 
       Tracking Camera Type       : PASSIVE IMAGE INTESIFIER
         Model                    : EP-16
         Manufacturer             : ex-USSR
         Field of View       [deg]: 0.67
         Minimum Magnitude   [mag]: 13
       Date Installed             : 
       Date Removed               : 
       Transmit/Receive Path      : COMMON COUDE
       Transmit/Receive Switch    : ROTATING MIRROR
       Max Slew Rate Az    [deg/s]: 2
       Max Slew Rate El    [deg/s]: 2
       Max Used Tracking Rate Az  : 1.5
       Max Used Tracking Rate El  : 1.5
       Telescope Shelter          : ROLL-BACK ROOF
       Daylight Filter Type       : INTERFERENCE
       Dayl. Filt. Bandwidth  [nm]: 1
       Adjustable Attenuation     : BOTH
       Adjustable Field of View   : 
       Transmit Efficiency        : 0.4
       Receive Efficiency         : 0.4
       Date Installed             : 1998-10-01
       Date Removed               : 
       Additional Information     : System has single transmit/receive
                                  : path without transmit telescope (first 
                                  : two channels from Coude focus).
                                  : Image intensifier is on the 3rd channel
                                  : of Coude focus. Observer visually see
                                  : the object through this channel and can 
                                  : manually correct the telescope position.
                                  : Max used tracking rate is limited by 
                                  : observed satellites - i.e. distance
                                  : greater than 900 km and speed less
                                  : than 2 degrees per sec. This limit is
                                  : connected with the type of receive/transmit
                                  : switch.
 
 
  Back to top
 
 
  5.   Laser System Information
 
  5.01 Laser Type                 : ND:YAG
       Model                      : 
       Manufacturer               : 
       Number of Amplifiers       : 1
       Primary Wavelength     [nm]: 1064
       Primary Maximum Energy [mJ]: 250
       Secondary Wavelength   [nm]: 532
       Secondary Max. Energy  [mJ]: 130
       Xmit Energy Adjustable     : YES
         Additional Information   : 
       Pulse Width (FWHM)     [ps]: 150
       Max. Repetition Rate   [Hz]: 5
       Fullw. Beam Divergence  ["]: 10
         Theoretical Beam Div     : 
         Measured Beam Div        : 
           Method Used            : 
           Additional Information : 
       Final Beam Diameter     [m]: 0.01
       Eyesafe                    : NO
       Eyesafe Standard           : N.A.
       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             : 1998-10-01
       Date Removed               : 
       Additional Information     : The laser has one amplifier, and the beam
                                  : passes through it 4 times.
 
 
  Back to top
 
 
  6.   Receiver System
 
  6.01.01 Primary Chain
          Wavelength          [nm]: 532
          Detector Type           : PMT
            Manufacturer          : ex-USSR
            Model                 : FEU-136/FEU-79
            Quantum Efficiency [%]: 6
            Nominal Gain          : 3e6
            Rise Time         [ps]: 3000
            Jitter (Single PE)[ps]: 1000
            Field of View Diam ["]: 30 - 120
            Date Installed        : 1998-10-01
            Date Removed          : 
          Amplifier Type          : 
            Manufacturer          : 
            Model                 : 
            Gain                  : 
            Bandwidth             : 
            Date Installed        : 
            Date Removed          : 
            Additional Information: 
          Signal Processing       : CFD
            Manufacturer          : EG&G ORTEC
            Model                 : 935
            Date Installed        : 2001-09-15
            Date Removed          : 
            Amplitude Measurement : NO
            Return-Rate Controlled: YES
            Mode of Operation     : SINGLE PHOTON
            Additional Information: 
          Time of Flight Observ.  : INTERVAL
            Manufacturer          : Inst. of Electr. and Computer Science, Riga
            Model                 : A911-E
            Resolution        [ps]: 10
            Precision         [ps]: 40
            Date Installed        : 1998-10-01
            Date Removed          : 
          Additional Information  : 
 
  6.02.01 Secondary 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  : 
 
  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)   : NO
         Low Altitude (400-2000)  : NIGHT
         LAGEOS/LARES             : NIGHT
         GLONASS                  : NO
         Etalon                   : NO
         GNSS                     : NO
         Geosynchronous           : 
         Moon                     : NO
       Ave. Pass Switch Time   [s]: 100
       Average values for LAGEOS
         Single Shot RMS      [mm]: 40
         # of Obs per NP          : 50
         Use of Semi-trains       : NO
         # of Semi-train Tracks   : N.A.
       Range Gate Width       [ns]: 1 - 20000
       Beam Pointing Accuracy  ["]: 50
       Angle Encoder Resolution["]: NONE
       Min. Tracking Elev.   [deg]: 15
       Laser Polarization @emitter: 
       Operation
         Months per Year          : 12
         Days per Week            : 7
         Hours per Day            : 5 - 12
         Staff per Shift          : 2
         System Shared With       : CCD PHOTOMETRY&POSITIONAL OBS. OF SATELLITES
         Time Allocated to SLR [%]: 50 - 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      : 1998-10-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : Low Altitude:NIGHT,TWILIGHT
                                  : 
 
 
  Back to top
 
 
  8.   Calibration
 
  8.01 Calibration Type           : PRE+POST
       Target Location            : EXTERNAL
       Target Type                : FLAT SURFACE
       Target Structure           : METAL POLE
       Number of Targets          : 
       Target Distance(s)      [m]: 15.12
         Date Measured            : 1998-10-01
         Accuracy             [mm]: 2
         Verification             : ONE TARGET
       Return-Rate Controlled     : YES
       Eye-Safe Method            : 
         Additional Information   : 
       Mode of Operation          : SINGLE PHOTON
       Calibration performed      : 1
       Single Shot RMS        [mm]: 20
       Edit Criterion 1st Chain   : ITERATIVE 2.0 SIGMA
       Edit Criterion 2nd Chain   : N.A.
       Application of Cal Data    : AVERAGE
       Date Installed             : 1998-10-01
       Date Removed               : 
       Additional Information     : 
 
 
  Back to top
 
 
  9.   Time and Frequency Standards
 
  9.01.01 Frequency Standard Type : RUBIDIUM
          Model                   : SChV-74
          Manufacturer            : ex-USSR
          Short Term Stab.  [e-12]: 5
          Long Term Stab.   [e-12]: 10
          Time Reference          : GPS
          Synchronization         : GPS
          Epoch Accuracy      [ns]: 500
          Date Installed          : 1998-08-01
          Date Removed            : 
          Additional Information  : 
 
  9.02.01 GNSS Timing Rcvr Model  : UTEVAL0002
          Manufacturer            : Motorola
          Date Installed          : 2001-03-27
          Date Removed            : 
          Additional Information  : 8-channels UT Oncore GPS receiver
 
  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             : IRV+POLYNOMIAL
       Return-Rate Rejection      : 
       Edit Criterion 1st Chain   : ORB ELEM CORR AND DELAY CORR
       Edit Criterion 2nd Chain   : ITERATIVE 2 SIGMA
       Upload interval            : DAILY
       Date First Applicable      : 1998-10-01 HH:MM UT
       Date Last Applicable       : 
       Additional Information     : Software "SatComp" (developed in Riga,
                                  : Latvia) is used for data processing.
 
 
  Back to top
 
 
 11.   Aircraft Detection
 
 11.01 Detection Type             : NONE
       Manufacturer/Provider      : 
       Automatic Laser Shutoff    : 
       Alarms Recorded            : 
       Hazard Distance        [km]: 
       Date Installed             : 
       Date Removed               : 
       Additional Information     : 
 
 
  Back to top
 
 
 12.   Meteorological Instrumentation
 
 12.01.01 Pressure Sensor Model   : M-22 AH
          Manufacturer            : ex-USSR
          Recording Interval      : PER PASS
          Accuracy          [mbar]: 0.5
          Height Diff to SRP   [m]: -1.1
          Distance from SRP    [m]: 
          Date Installed          : 2000-05-01 HH:MM UT
          Calibration Interval    : N.A.
          Date Removed            : 2005-06-24 HH:MM UT
          Additional Information  : 
 
 12.01.02 Pressure Sensor Model   : WS-3600
          Manufacturer            : LaCrosse Technology
          Recording Interval      : PER PASS
          Accuracy          [mbar]: 0.1
          Height Diff to SRP   [m]: -0.6
          Distance from SRP    [m]: 
          Date Installed          : 2005-06-24 HH:MM UT
          Calibration Interval    : N.A.
          Date Removed            : 
          Additional Information  : WS-3600 is a weather station
                                  : with baro-hydro-termo sensors and
                                  : with an anemometer
 
 12.02.01 Temp Sensor Model       : M-16 AH
          Manufacturer            : ex-USSR
          Recording Interval      : PER PASS
          Accuracy         [deg C]: 0.1
          Date Installed          : 2000-05-01 HH:MM UT
          Calibration Interval    : N.A.
          Date Removed            : 2005-06-24 HH:MM UT
          Additional Information  : 
 
 12.02.02 Temp Sensor Model       : WS-3600
          Manufacturer            : LaCrosse Technology
          Recording Interval      : PER PASS
          Accuracy         [deg C]: 0.1
          Date Installed          : 2005-06-24 HH:MM UT
          Calibration Interval    : N.A.
          Date Removed            : 
          Additional Information  : 
 
 12.03.01 Humidity Sensor Model   : M-21 A
          Manufacturer            : ex-USSR
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 1
          Date Installed          : 1997-04-01 HH:MM UT
          Calibration Interval    : N.A.
          Date Removed            : 
          Additional Information  : 
 
 12.03.02 Humidity Sensor Model   : WS-3600
          Manufacturer            : LaCrosse Technology
          Recording Interval      : PER PASS
          Accuracy       [% rel h]: 3
          Date Installed          : 2005-06-24 HH:MM UT
          Calibration Interval    : N.A.
          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                 : YES
             Date Installed       : 2001-09-07
             Date Removed         : 
             Additional Info      : SULP GPS-station
 13.01.01.02 GNSS                 : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.02.01 DORIS                : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.03.01 PRARE                : NO
             Date Installed       : 
             Date Removed         : 
             Additional Info      : 
 13.01.04.01 VLBI                 : NO
             Date Installed       : 
             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           : SULP
          Instrumentation Type    : GPS
          Instrumentation Status  : PERMANENT
          DOMES Number            : 12366M001
          CDP Number              : N.A.
          Differential Components (ITRS)
            dx                 [m]: 4623.706 +- 0
            dy                 [m]: 6800.100 +- 0
            dz                 [m]: -5876.728 +- 0
            Date Measured         : 
            Determined by         : GPS
          Date Installed          : 2001-09-07
          Date Removed            : 
          Additional Information  : SULP is Permanent Station IGS + EUREF and
                                  : CERGOP(CEGRN)`96-98 Site,it belongs to
                                  : national university Lviv Polytechnics.
                                  : Distance to SLR is about 10 km.
                                  : 
                                  : NOTE: dx,dy,dz did not have +- error.
                                  :     USed 0.
                                  :     rlr. 07/12/2019
 
 13.03.01.01 Eccentricities Between Other Monuments on Site
 
          From: Monument Name     : LVIV
                DOMES Number      : 
                CDP Number        : 
          To:   Monument Name     : SLR
                DOMES Number      : 12368S001
                CDP Number        : 1831
          Differential Components (ITRS)
            dx                 [m]: -1.516 +- 0
            dy                 [m]: -17.361 +- 0
            dz                 [m]: 8.550 +- 0
            Date Measured         : 
            Determined by         : GPS
          Additional Information  : LVIV  is CERGOP(CEGRN)`95-98 Site,
                                  : coordinates were measured by 5days
                                  : international GPS-observations.
                                  : SLR is monument where is our telescope.
 
 
  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                     : Astronomical Observatory of
                                  : Ivan Franko National University of Lviv
       Mailing Address            : AO LNU, 8 Kyryla i Mefodia str.,
                                  : 79005, Lviv, Ukraine
       Website                    : 
       Primary Contact
         Contact Name             : Yaroslav T. Blagodyr
         Telephone (primary)      : (+380)-(32)-2600393
         Telephone (secondary)    : (+380)-(32)-2347317, (+380)-(32)-2346382
         Fax                      : (+380)-(32)-2600395
         E-mail                   : ja.blagod@gmail.com
       Secondary Contact
         Contact Name             : Kostiantyn P. Martyniuk-Lototsky
         Telephone (primary)      : (+380)-(32)-2600393
         Telephone (secondary)    : (+380)-(32)-2346321
         Fax                      : (+380)-(32)-2600395
         E-mail                   : langure@mail.ru
       Tertiary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : 
 
 
  Back to top
 
 
 16.   Responsible Agency (if different from 15.)
 
       Agency                     : Ivan Franko National
                                  : University of Lviv
       Mailing Address            : LNU, 1 Universytetska str.,
                                  : 79000, Lviv, Ukraine
       Primary Contact
         Contact Name             : Dr. Bogdan Ya. Kotur
         Telephone (primary)      : (+380)-(32)-2727040
         Telephone (secondary)    : 
         Fax                      : (+380)-(32)-2616903
         E-mail                   : kotur@franko.lviv.ua
       Secondary Contact
         Contact Name             : 
         Telephone (primary)      : 
         Telephone (secondary)    : 
         Fax                      : 
         E-mail                   : 
       Additional Information     : 
 
 
  Back to top
 
 
 17.   More Information
 
       URL for More Information   : http://lnu.edu.ua/Subdivisions/PROPERTY/
                                  : astro/astro_eng.htm
       Hardcopy on File
         Site Map                 : YES
         Site Diagram             : YES
         Horizon Mask             : YES
         Monument Description     : NO
         Site Pictures            : YES
       Additional Information     : 
 
 
  Back to top