HOFJ00DEU Site Information Form (site log v2.0)
     International GNSS Service
     See Instructions at:
       https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt


0.   Form

     Prepared by (full name)  : GREF Operator (operator.gref@bkg.bund.de)
     Date Prepared            : 2024-02-15
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : hofj00deu_20230419.log
      Modified/Added Sections : 2, 3.17, 3.18, 8.1.2, 8.1.1, 8.2.2, 8.2.1,
                              : 8.3.2, 8.3.1, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Hof (Bavaria)
     Nine Character ID        : HOFJ00DEU
     Monument Inscription     : 
     IERS DOMES Number        : 14289M001
     CDP Number               : (A4)
     Monument Description     : Steelpipe with heat protection
       Height of the Monument : 1.8 m
       Monument Foundation    : 2007
       Foundation Depth       : (m)
     Marker Description       : SURVEY MARKER BOLT ON THE PILLAR
     Date Installed           : 2007-03-07
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
       Bedrock Condition      : (FRESH/JOINTED/WEATHERED)
       Fracture Spacing       : (0 cm/1-10 cm/11-50 cm/51-200 cm/over 200 cm)
       Fault zones nearby     : (YES/NO/Name of the zone)
         Distance/activity    : (multiple lines)
     Additional Information   : Survey Marker Bolt on a pillar.
                              : Antenna mounted with a special screw
                              : adapter on a rivet thread of a circular
                              : tube of steel,
                              : 1.3 m length,
                              : mounted on a concrete foundation at the
                              : meteorological station of the DWD
                              : Deutscher Wetterdienst in Hof.


2.   Site Location Information

     City or Town             : Hof
     State or Province        : Bavaria
     Country or Region        : DEU
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 3994171.000
       Y coordinate (m)       : 839949.000
       Z coordinate (m)       : 4885561.600
       Latitude (N is +)      : +501846.46
       Longitude (E is +)     : +0115233.22
       Elevation (m,ellips.)  : 614.9
     Additional Information   : (multiple lines)


3.   GNSS Receiver Information

3.1  Receiver Type            : JPS LEGACY
     Satellite System         : GPS+GLO
     Serial Number            : AFP2LB8MMM8
     Firmware Version         : E_GGD_2/2.5P2
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-03-07T10:00Z
     Date Removed             : 2007-06-21T10:00Z
     Temperature Stabiliz.    : none
     Additional Information   : Additional Number
                              : LE5787 on the
                              : type level

3.2  Receiver Type            : JPS LEGACY
     Satellite System         : GPS+GLO
     Serial Number            : AFP2LB8MMM8
     Firmware Version         : 2.6.0 APR,18,2007
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-06-21T10:00Z
     Date Removed             : 2008-01-29T13:45Z
     Temperature Stabiliz.    : none
     Additional Information   : Additional Number
                              : LE5787 on the
                              : type level

3.3  Receiver Type            : JPS LEGACY
     Satellite System         : GPS+GLO
     Serial Number            : AFP2LB8MMM8
     Firmware Version         : 2.6.1 JAN,10,2008
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-01-29T13:45Z
     Date Removed             : 2011-02-14T08:30Z
     Temperature Stabiliz.    : none
     Additional Information   : Additional Number
                              : LE5787 on the
                              : type level

3.4  Receiver Type            : JPS LEGACY
     Satellite System         : GPS+GLO
     Serial Number            : AFB1PAJ162O
     Firmware Version         : 3.4.2 DEC,12,2009
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-02-14T09:30Z
     Date Removed             : 2013-06-26T08:00Z
     Temperature Stabiliz.    : none
     Additional Information   : Additional Number
                              : LE5824 on the
                              : type level

3.5  Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO+GAL+SBAS
     Serial Number            : 355611
     Firmware Version         : 8.71/6.112
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2013-06-26T08:45Z
     Date Removed             : 2014-11-11T12:30Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BDU10090390

3.6  Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+SBAS
     Serial Number            : 1831175
     Firmware Version         : 3.11.1639
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-11-11T14:30Z
     Date Removed             : 2016-05-06T12:00Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BDU14060527

3.7  Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+SBAS
     Serial Number            : 1831175
     Firmware Version         : 3.22.1818
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-05-06T12:00Z
     Date Removed             : 2016-07-22T08:30Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BDU14060527

3.8  Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+SBAS
     Serial Number            : 1831175
     Firmware Version         : 4.00.335
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-07-22T08:30Z
     Date Removed             : 2016-12-28T12:30Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BDU14060527

3.9  Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831175
     Firmware Version         : 4.02.386
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-12-28T12:30Z
     Date Removed             : 2017-04-11T06:05Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BDU14060527

3.10 Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831175
     Firmware Version         : 4.11.606
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-04-11T06:05Z
     Date Removed             : 2018-02-15T09:00Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BDU14060527

3.11 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831585
     Firmware Version         : 4.20.232
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-02-15T09:00Z
     Date Removed             : 2019-03-19T11:00Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BMGZ16360482H

3.12 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831585
     Firmware Version         : 4.31.101
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-03-19T11:00Z
     Date Removed             : 2019-05-09T05:30Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BMGZ16360482H

3.13 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831585
     Firmware Version         : 4.31.101
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-05-09T05:30Z
     Date Removed             : 2021-05-31T12:40Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BMGZ16360482H

3.14 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831585
     Firmware Version         : 4.50/7.710
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-05-31T12:40Z
     Date Removed             : 2022-03-03T07:04Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BMGZ16360482H

3.15 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831585
     Firmware Version         : 4.52/7.711
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-03-03T07:04Z
     Date Removed             : 2022-09-05T11:50Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BMGZ16360482H

3.16 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831585
     Firmware Version         : 4.60/7.811
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-09-05T11:50Z
     Date Removed             : 2023-02-09T09:30Z
     Temperature Stabiliz.    : none
     Additional Information   : ME serial number BMGZ16360482H

3.17 Receiver Type            : JAVAD TRE_3 DELTA
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 04116
     Firmware Version         : 4.1.06-221128
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-02-09T09:30Z
     Date Removed             : 2024-02-15T09:27Z
     Temperature Stabiliz.    : none
     Additional Information   : Board Id
                              : 0SBTJB3WA6ASX0QDSPVJ

3.18 Receiver Type            : JAVAD TRE_3 DELTA
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 04116
     Firmware Version         : 4.3.00-231129
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2024-02-15T09:27Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : none
     Additional Information   : Board Id
                              : 0SBTJB3WA6ASX0QDSPVJ

3.x  Receiver Type            : (A20, from rcvr_ant.tab; see instructions)
     Satellite System         : (GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS)
     Serial Number            : (A20, but note the first A5 is used in SINEX)
     Firmware Version         : (A11)
     Elevation Cutoff Setting : (deg)
     Date Installed           : (CCYY-MM-DDThh:mmZ)
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : (none or tolerance in degrees C)
     Additional Information   : (multiple lines)


4.   GNSS Antenna Information

4.1  Antenna Type             : TPSCR3_GGD      CONE
     Serial Number            : 217-0631
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0450
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : CONE
     Radome Serial Number     : 
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 12 m
     Date Installed           : 2007-03-07T08:00Z
     Date Removed             : 2011-02-14T08:30Z
     Additional Information   : (multiple lines)

4.2  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 10211018
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0450
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : LEIT
     Radome Serial Number     : 
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 12 m
     Date Installed           : 2011-02-14T09:30Z
     Date Removed             : 2019-03-19T11:00Z
     Additional Information   : Antenna calibrated absolute
                              : by Geo++ GmbH, Garbsen 2010-09-23.

4.3  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 10211013
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0450
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : LEIT
     Radome Serial Number     : 
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 12 m
     Date Installed           : 2019-03-19T11:00Z
     Date Removed             : 2020-02-26T07:30Z
     Additional Information   : Antenna calibrated absolute
                              : by UNIBN  2019-01-18.

4.4  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 725266
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0450
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : LEIT
     Radome Serial Number     : 
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 12 m
     Date Installed           : 2020-02-26T08:15Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : Antenna individual calibrated absolutely by
                              : : GEO++ - ROBOT 2012-09-24
                              : : UNI BONN - CHAMBER 2013-02-20
                              : : UNI BONN - CHAMBER 2018-08-23
                              : : Senatsverwaltung Berlin - ROBOT 2019-12-20

4.x  Antenna Type             : (A20, from rcvr_ant.tab; see instructions)
     Serial Number            : (A*, but note the first A5 is used in SINEX)
     Antenna Reference Point  : (BPA/BCR/XXX from "antenna.gra"; see instr.)
     Marker->ARP Up Ecc. (m)  : (F8.4)
     Marker->ARP North Ecc(m) : (F8.4)
     Marker->ARP East Ecc(m)  : (F8.4)
     Alignment from True N    : (deg; + is clockwise/east)
     Antenna Radome Type      : (A4 from rcvr_ant.tab; see instructions)
     Radome Serial Number     : 
     Antenna Cable Type       : (vendor & type number)
     Antenna Cable Length     : (m)
     Date Installed           : (CCYY-MM-DDThh:mmZ)
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Additional Information   : (multiple lines)


5.   Surveyed Local Ties

5.x  Tied Marker Name         : 
     Tied Marker Usage        : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
     Tied Marker CDP Number   : (A4)
     Tied Marker DOMES Number : (A9)
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : (m)
       dy (m)                 : (m)
       dz (m)                 : (m)
     Accuracy (mm)            : (mm)
     Survey method            : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc)
     Date Measured            : (CCYY-MM-DDThh:mmZ)
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Input Frequency        : (if external)
       Effective Dates        : 2007-03-07/CCYY-MM-DD
       Notes                  : (multiple lines)

6.x  Standard Type            : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc)
       Input Frequency        : (if external)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)


7.   Collocation Information

7.1  Instrumentation Type     : CORNER REFLECTOR
       Status                 : PERMANENT
       Effective Dates        : 2018-02-15/CCYY-MM-DD
       Notes                  : 1 m^3 passive retroreflector 78 m away
                              : from HOFJ connected via regular terrestrial
                              : survey for InSAR. Mounted on 6 m deep rod
                              : foundation oriented to
                              : descending sun synchronous orbit.
                              : More information and data available on
                              : request.

7.2  Instrumentation Type     : GNSS HOFJ01DEU
       Status                 : PERMANENT
       Effective Dates        : 2020-02-26/CCYY-MM-DD
       Notes                  : Secondary Receiver at the same antenna.
                              : More information and data available on
                              : request.

7.x  Instrumentation Type     : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc)
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)


8.   Meteorological Instrumentation

8.1.1  Humidity Sensor Model  : HMP45A-P
       Manufacturer           : Vaisala
       Serial Number          : x4100002
       Data Sampling Interval :    10 sec
       Accuracy (% rel h)     : 1 % rel h
       Aspiration             : CAPACITIVY THIN FILM POLYMER
       Height Diff to Ant     : -0.6 m
       Calibration date       : 2006-11-12
       Effective Dates        : 2005-03-07/2017-06-06
       Notes                  : The humidity sensor is 0.6 m
                              : below the antenna.

8.1.2  Humidity Sensor Model  : HMP45A-P
       Manufacturer           : Vaisala
       Serial Number          : A4940002
       Data Sampling Interval :    10 sec
       Accuracy (% rel h)     : 1 % rel h
       Aspiration             : CAPACITIVY THIN FILM POLYMER
       Height Diff to Ant     : -0.6 m
       Calibration date       : 2017-05-03
       Effective Dates        : 2017-06-06/CCYY-MM-DD
       Notes                  : The humidity sensor is 0.6 m
                              : below the antenna.

8.1.x  Humidity Sensor Model  : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy (% rel h)     : (% rel h)
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.2.1  Pressure Sensor Model  : PTU200
       Manufacturer           : Vaisala
       Serial Number          : X2930001
       Data Sampling Interval :  10 sec
       Accuracy               : 0.1 hPa
       Height Diff to Ant     : -0.6 m
       Calibration date       : 2002-07-22
       Effective Dates        : 2007-03-07/2017-06-06
       Notes                  : The pressure Sensor is
                              : 0.6 m below the antenna.

8.2.2  Pressure Sensor Model  : PTU200
       Manufacturer           : Vaisala
       Serial Number          : X4150001
       Data Sampling Interval :  10 sec
       Accuracy               : 0.1 hPa
       Height Diff to Ant     : -0.6 m
       Calibration date       : 2010-02-20
       Effective Dates        : 2017-06-06/CCYY-MM-DD
       Notes                  : The pressure Sensor is
                              : 0.6 m below the antenna.

8.2.x  Pressure Sensor Model  : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy               : (hPa)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.3.1  Temp. Sensor Model     : HMP45A-P
       Manufacturer           : Vaisala
       Serial Number          : X4150002
       Data Sampling Interval : 10 sec
       Accuracy               : 0.2 deg C
       Aspiration             : RESISTIVE PLATINUM PROBE
       Height Diff to Ant     : -0.6 m
       Calibration date       : 2006-11-22
       Effective Dates        : 2007-03-07/2017-06-06
       Notes                  : The temperature sensor is
                              : 0.6 m below the antenna.

8.3.2  Temp. Sensor Model     : HMP45A-P
       Manufacturer           : Vaisala
       Serial Number          : A4940002
       Data Sampling Interval : 10 sec
       Accuracy               : 0.2 deg C
       Aspiration             : RESISTIVE PLATINUM PROBE
       Height Diff to Ant     : -0.6 m
       Calibration date       : 2017-05-03
       Effective Dates        : 2017-06-06/CCYY-MM-DD
       Notes                  : The temperature sensor is
                              : 0.6 m below the antenna.

8.3.x  Temp. Sensor Model     : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy               : (deg C)
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.4.x  Water Vapor Radiometer : 
       Manufacturer           : 
       Serial Number          : 
       Distance to Antenna    : (m)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.5.x  Other Instrumentation  : (multiple lines)


9.   Local Ongoing Conditions Possibly Affecting Computed Position

9.1.x  Radio Interferences    : (TV/CELL PHONE ANTENNA/RADAR/etc)
       Observed Degradations  : (SN RATIO/DATA GAPS/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

9.2.x  Multipath Sources      : (METAL ROOF/DOME/VLBI ANTENNA/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

9.3.x  Signal Obstructions    : (TREES/BUILDINGS/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)


10.  Local Episodic Effects Possibly Affecting Data Quality

10.x  Date                    : (CCYY-MM-DD/CCYY-MM-DD)
      Event                   : (TREE CLEARING/CONSTRUCTION/etc)


11.  On-Site, Point of Contact Agency Information

     Agency                   : Bundesamt fuer Kartographie und Geodaesie
                              : Department of Geodaesie
     Preferred Abbreviation   : BKG
     Mailing Address          : Richard-Strauss-Allee 11
                              : D-60598 Frankfurt a.M.
                              : Germany
     Primary Contact
       Contact Name           : GREF Operator
       Telephone (primary)    : +49 341 5634410
       Telephone (secondary)  : +49 341 5634432
       Fax                    : +49 341 5634415
       E-mail                 : operator.gref@bkg.bund.de
     Secondary Contact
       Contact Name           : BKG GNSS Data Center
       Telephone (primary)    : +49 69 6333274
       Telephone (secondary)  : +49 69 63331
       Fax                    : +49 69 6333425
       E-mail                 : bkg-gdc@bkg.bund.de
     Additional Information   : (multiple lines)




12.  Responsible Agency (if different from 11.)

     Agency                   : (multiple lines)
     Preferred Abbreviation   : (A10)
     Mailing Address          : (multiple lines)
     Primary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)


13.  More Information

     Primary Data Center      : BKG
     Secondary Data Center    : BEV
     URL for More Information : https://gref.bkg.bund.de
     Hardcopy on File
       Site Map               : (Y or URL)
       Site Diagram           : (Y or URL)
       Horizon Mask           : (Y or URL)
       Monument Description   : (Y or URL)
       Site Pictures          : Y
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions

TPSCR3_GGD

                          ---------
                        /     +     \                        <--  0.104  = L2
                       |      +      |                       <--  0.081  = L1
     +--------------------------------------------------+    <--  0.071  = TCR
     |                                                  |
     |                                                  |
     |                                                  |
     |                                                  |
     +-----------------+-------------+------------------+    <--  0.003 = BCR
                        +-----x-----+                        <--  0.000   BPA=ARP

     <--                    0.326                     -->
   
LEIAR25.R4

                          +-------+                          <--  0.1995
                         /         \
                   +---+-------------+---+                   <--  0.1606  TCR
                   |                     |
                |---------------------------|
             |---------------------------------|
          |---------------------------------------|
       +---------------------------------------------+
       |                                             |
       |                                             |
     +-+---------------------------------------------+-+
     +-----------------+-------------+-----------------+     <--  0.0320  BCR
                       |             |
                       |             |
                       +------x------+                       <--  0.0000  BPA=ARP
					   
     <--                    0.3802                   -->

   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
   TPA: Top of Preamplifier               BPA: Bottom of Preamplifier
   TOP: Top of Pole                       BOP: Bottom of Pole

All dimensions are in meters.