BELL00ESP 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)  : ICGC Geodesy Team (geodesia@icgc.cat)
     Date Prepared            : 2024-09-09
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : bell00esp_20231115.log
      Modified/Added Sections : 3.16, 3.17


1.   Site Identification of the GNSS Monument

     Site Name                : Bellmunt
     Nine Character ID        : BELL00ESP
     Monument Inscription     : 
     IERS DOMES Number        : 13431M001
     CDP Number               : (A4)
     Monument Description     : REINFORCED CONCRETE PILLAR
       Height of the Monument : 4.5 m
       Monument Foundation    : REINFORCED CONCRETE BLOCK AND DRILLED STEEL RODS
       Foundation Depth       : 2 m
     Marker Description       : stainless steel plate with 5/8' thread
     Date Installed           : 1996-11-21
     Geologic Characteristic  : LACUSTRIVE LIMESTONE
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : FRESH
       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   : equipment in a telecommunications center
                              : facility with 48hours power autonomy, general
                              : power surge protections, GPS dedicated surge
                              : protections and UPX
                              : operating as the main RASANT (DGPS)
                              : broadcasting station for the RASANT service
                              : in Catalonia since November 1995.
                              : The monument foundation has two parts. One is a
                              : reinforced concrete block (1 m) and the other
                              : are drilled steel rods (1 m).


2.   Site Location Information

     City or Town             : Bellmunt de Segarra
     State or Province        : Barcelona
     Country or Region        : ESP
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 4775849.000
       Y coordinate (m)       : 116814.000
       Z coordinate (m)       : 4213018.000
       Latitude (N is +)      : +413558.61
       Longitude (E is +)     : +0012404.09
       Elevation (m,ellips.)  : 852.5
     Additional Information   : (multiple lines)


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 18091
     Firmware Version         : 7.29 / 3.07
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 1997-05-13
     Date Removed             : 2005-11-07
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.2  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 57134
     Firmware Version         : 1.13
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2005-11-07
     Date Removed             : 2007-02-16
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.3  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4345228739
     Firmware Version         : 1.15
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2007-02-16
     Date Removed             : 2010-07-13
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.4  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4345228739
     Firmware Version         : 1.15
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2010-07-13
     Date Removed             : 2011-12-15
     Temperature Stabiliz.    : none
     Additional Information   : Set tracking of unhealthy satellites

3.5  Receiver Type            : TRIMBLE NETR8
     Satellite System         : GPS+GLO
     Serial Number            : 4843K33395
     Firmware Version         : Nav 4.19 Boot 3.
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2011-12-15
     Date Removed             : 2013-07-19
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.6  Receiver Type            : TRIMBLE NETR8
     Satellite System         : GPS+GLO
     Serial Number            : 4843K33395
     Firmware Version         : Nav 4.19 Boot 3.
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2013-07-19
     Date Removed             : 2014-09-08
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.7  Receiver Type            : TRIMBLE NETR8
     Satellite System         : GPS+GLO
     Serial Number            : 4843K33395
     Firmware Version         : Nav 4.19 Boot 3.
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-09-08
     Date Removed             : 2016-05-12T08:19Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : Disabled the Everest Multipath Reduction
                              : technology

3.8  Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831703
     Firmware Version         : 3.22/6.522
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-05-12T09:12Z
     Date Removed             : 2016-12-01T11:40Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.9  Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831708
     Firmware Version         : 4.02/7.002
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-12-01T12:01Z
     Date Removed             : 2017-03-30T07:45Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.10 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831708
     Firmware Version         : 4.11/7.102
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-03-30T07:50Z
     Date Removed             : 2017-06-08T07:30Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.11 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.11/7.102
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-06-08T07:31Z
     Date Removed             : 2018-05-31T09:34Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.12 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.20/7.300
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-05-31T09:41Z
     Date Removed             : 2019-03-29T09:14Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.13 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.30/7.402
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-03-29T09:20Z
     Date Removed             : 2019-04-05T10:51Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.14 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.31/7.403
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-04-05T10:55Z
     Date Removed             : 2022-12-13T16:35Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.15 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.61/7.811
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-12-13T16:55Z
     Date Removed             : 2023-11-14T22:00Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.16 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.70/7.813
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-11-14T22:00Z
     Date Removed             : 2024-09-06T01:55Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.17 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831708
     Firmware Version         : 4.80/7.900
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2024-09-06T02:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

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             : TRM29659.00     NONE
     Serial Number            : 0220080346
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0540
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : RG 214/U Trimble P/N 14551-00
     Antenna Cable Length     : 12 m
     Date Installed           : 1997-05-13
     Date Removed             : 2007-03-26
     Additional Information   : EMP Protector-Surge Arrestor installed in
                              : antenna cable model: Huber Suhner 3402.17.K
                              : with capsule 73 Z-0-0-48

4.2  Antenna Type             : TRM29659.00     NONE
     Serial Number            : 0220368146
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0540
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : RG 214/U Trimble P/N 14551-00
     Antenna Cable Length     : 12 m
     Date Installed           : 2007-03-26
     Date Removed             : 2012-01-26
     Additional Information   : EMP Protector-Surge Arrestor installed in
                              : antenna cable, model: Huber Suhner 3402.17.K
                              : with capsule 73 Z-0-0-48
                              : RG-213 cable installed from EMP Protector to
                              : the antenna, protected with a PG-16 w/steel
                              : armoured sheathing

4.3  Antenna Type             : TRM55971.00     NONE
     Serial Number            : 30607404
     Antenna Reference Point  : BAM
     Marker->ARP Up Ecc. (m)  :   0.0570
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : LMR-400 TNC-N
     Antenna Cable Length     : 12 m
     Date Installed           : 2012-01-26
     Date Removed             : 2014-09-22
     Additional Information   : EMP Protector-Surge Arrestor installed in
                              : antenna cable, model: Huber Suhner 3402.17.K
                              : with capsule 73 Z-0-0-48
                              : RG-213 cable installed from EMP Protector to
                              : the antenna, protected with a PG-16 w/steel
                              : armoured sheathing

4.4  Antenna Type             : TRM57971.00     NONE
     Serial Number            : 30607404
     Antenna Reference Point  : BAM
     Marker->ARP Up Ecc. (m)  :   0.0570
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : LMR-400 TNC-N
     Antenna Cable Length     : 12 m
     Date Installed           : 2014-09-22
     Date Removed             : 2016-05-12T08:19Z
     Additional Information   : The new antenna type code is due to the
                              : antenna is RoHS compliance.
                              : To use old RINEX files, with the same
                              : antenna s/n, the wrong antenna type code
                              : must be modified with the correct one

4.5  Antenna Type             : LEIAR25.R4      NONE
     Serial Number            : 726356
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0770
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : LMR-400 TNC-N
     Antenna Cable Length     : 12 m
     Date Installed           : 2016-05-12T09:12Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : installed adaptor SECO (2072-33) antenna mount
                              : Individual absolute calibration is available in
                              : ftp://geofons.icc.cat/calibracions_antenes/

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        : 1997-05-13/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.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.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.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.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                   : Institut Cartografic i Geologic de Catalunya
                              : Geodesy
     Preferred Abbreviation   : ICGC
     Mailing Address          : Parc de Montjuic
                              : E-08038 Barcelona
                              : Spain
     Primary Contact
       Contact Name           : ICGC Geodesy Team
       Telephone (primary)    : +34 935 67 15 00
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : geodesia@icgc.cat
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     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 : http://www.icgc.cat/gnss
     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 or URL)
     Additional Information   : other data available (i.e. hourly 1Hz) at
                              : anonymous ftp://geofons.icc.cat/
     Antenna Graphics with Dimensions

ANTENNA CONFIGURATION ON SITE SINCE 13-MAY-97:
TRM29659.00

       <--                      0.381                       -->
                                -----
                            /     +     \                       <-- 0.128 L2
                           |      +      |                      <-- 0.110 L1
         +--------------------------------------------------+   <-- 0.102 TCR
         |                                                  |
         |                                                  |
         |                                                  |
         |                                                  |
       +-+--------------------------------------------------+-+ <-- 0.038
       +-------------------+-------------+--------------------+ <-- 0.035 BCR
                           |             |
                          =|             |
                           +=============+                  <--+<-- 0.000 BPA
                           |             |                     |
                           |    Mount    |                    0.054 m
                           |     +-+     |                     |
Monument =>      +---------+=====|x|=====+--------+         <--+
Ref. Point +-----+--------|-----------------------+-------+
           |              Steel plate                     |
           |                                              |
           |                                              |
           |               Concrete pillar                |
           |                                              |
           |                                              |
           |                                              |

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

ANTENNA CONFIGURATION ON SITE SINCE 2012-01-26:
TRM55971.00


   / --------------------------------------------- \   <--  0.0850  L1
  +                                                 +  <--  0.0701  L2
   \ --------------------------------------------- /
                   \               /
                    \             /
                     \-----+-----/                 <--  0.0000  BAM
    <--                 0.3396                     ->    Notches
                     +===========+                           <--+
                     |           |                              |
                     |    Mount  |                             0.057 m
                     |     +-+   |                              |
Monument =>          +====|x|====+                           <--+  ARP
Ref. Point +-----+---------|--------+-------+
           |           Steel plate          |
           |                                |
           |                                |
           |        Concrete pillar         |
           |                                |
           |                                |
           |                                |



   ARP: Antenna Reference Point

ANTENNA CONFIGURATION ON SITE SINCE 2012-05-07:
TRM57971.00


   / --------------------------------------------- \   <--  0.06673  L1
  +                                                 +  <--  0.05769  L2
   \ --------------------------------------------- /
                   \               /
                    \             /
                     \-----+-----/             <--  0.0000  BAM
    <--                 0.3396                  ->  Notches
                     +===========+                           <--+
                     |           |                              |
                     |    Mount  |                             0.057 m
                     |     +-+   |                              |
Monument =>          +====|x|====+                           <--+  ARP
Ref. Point +-----+---------|--------+-------+
           |           Steel plate          |
           |                                |
           |                                |
           |        Concrete pillar         |
           |                                |
           |                                |
           |                                |



   ARP: Antenna Reference Point

ANTENNA CONFIGURATION ON SITE SINCE  2016-05-12:

LEIAR25.R4

                             +-------+                      <--  0.1995
                            /         \
                      +---+-------------+---+               <--  0.1606  TCR
                      |                     |
                   |---------------------------|
                |---------------------------------|
             |---------------------------------------|
          +---------------------------------------------+
          |                                             |
          |                                             |
        +-+---------------------------------------------+-+
        +-----------------+-------------+-----------------+ <--  0.0320  BCR
                          |             |
                          |             |
                          +------x------+               <--+ 0.0000  BPA=ARP
                          |             |                  |(5/8' thread
might
                          |    Mount    |                  | differ from BPA!)
                          |     +-+     |                  0.077 NOM=NRP
Monument =>       +-------+=====|x|=====+------+        <--+
        <--                    0.3802                   -->
Ref. Point +-----+--------|-----------------------+-------+
           |              Steel plate                     |
           |                                              |
           |                                              |
           |               Concrete pillar                |
           |                                              |
           |                                              |
           |                                              |