EBRE00ESP Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://files.igs.org/pub/station/general/sitelog_instr.txt


0.   Form

     Prepared by (full name)  : ICGC Geodesy Team (geodesia@icgc.cat)
     Date Prepared            : 2023-11-13
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : ebre00esp_20221214.log
      Modified/Added Sections : 3.16, 3.17


1.   Site Identification of the GNSS Monument

     Site Name                : Ebre
     Four Character ID        : EBRE
     Monument Inscription     : 
     IERS DOMES Number        : 13410M001
     CDP Number               : (A4)
     Monument Description     : REINFORCED CONCRETE PILLAR
       Height of the Monument : 4.2 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           : 1992-03-23
     Geologic Characteristic  : CALCAREOUS CRUST AND CONGLOMERATE
       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   : Quaternary terrace, Pleistocene age.
                              : dedicated surge protections
                              : provided with VSAT Star Network (real-time
                              : data flow).
                              : 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             : Roquetes
     State or Province        : Tarragona
     Country                  : Spain
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 4833520.000
       Y coordinate (m)       : 41536.000
       Z coordinate (m)       : 4147461.000
       Latitude (N is +)      : +404915.19
       Longitude (E is +)     : +0002932.46
       Elevation (m,ellips.)  : 107.3
     Additional Information   : the site is placed in an astronomic
                              : observatory, Observatori de l'Ebre


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSE
     Satellite System         : GPS
     Serial Number            : 3312A02805
     Firmware Version         : 6.01
     Elevation Cutoff Setting : 10 deg
     Date Installed           : 1994-05-23
     Date Removed             : 1997-04-15T10:00Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : (multiple lines)

3.2  Receiver Type            : TRIMBLE 4000SSI
     Satellite System         : GPS
     Serial Number            : 17999
     Firmware Version         : 7.29 / 3.07
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 1997-04-15T10:13Z
     Date Removed             : 2005-11-16T13:00Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : (multiple lines)

3.3  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 41644
     Firmware Version         : 1.13
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2005-11-16T13:00Z
     Date Removed             : 2008-05-26T14:00Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : (multiple lines)

3.4  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4536257134
     Firmware Version         : 1.15
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2008-05-26T15:00Z
     Date Removed             : 2010-07-13T15:00Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : (multiple lines)

3.5  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4536257134
     Firmware Version         : 1.15
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2010-07-13T15:00Z
     Date Removed             : 2013-07-19T13:00Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : Set tracking of unhealthy satellite

3.6  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4536257134
     Firmware Version         : 1.15
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2013-07-19T13:00Z
     Date Removed             : 2014-09-08T07:47Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : Set tracking of unhealthy satellite

3.7  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4536257134
     Firmware Version         : 1.15
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-09-08T07:47Z
     Date Removed             : 2014-12-09T12:44Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : Set tracking of unhealthy satellite
                              : Disabled the Everest Multipath Reduction
                              : technology

3.8  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5201K41189
     Firmware Version         : 4.81
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-12-09T13:16Z
     Date Removed             : 2015-06-25T08:02Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : Set tracking of unhealthy satellite
                              : Disabled the Everest Multipath Reduction
                              : technology

3.9  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5201K41189
     Firmware Version         : 5.01
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-06-25T08:02Z
     Date Removed             : 2015-07-09T07:00Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : Set tracking of unhealthy satellite
                              : Disabled the Everest Multipath Reduction
                              : technology

3.10 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5201K41189
     Firmware Version         : 5.03
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-07-09T07:00Z
     Date Removed             : 2016-12-14T09:58Z
     Temperature Stabiliz.    : 22.0 +/- 2.0
     Additional Information   : Set tracking of unhealthy satellite
                              : Disabled the Everest Multipath Reduction
                              : technology

3.11 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831701
     Firmware Version         : 4.02/7.002
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-12-14T11:07Z
     Date Removed             : 2017-03-30T10:26Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.12 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 1831701
     Firmware Version         : 4.11/7.102
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-03-30T10:31Z
     Date Removed             : 2017-06-08T07:30Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.13 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831701
     Firmware Version         : 4.11/7.102
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-06-08T07:31Z
     Date Removed             : 2018-05-31T12:53Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.14 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831701
     Firmware Version         : 4.20/7.300
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-05-31T12:58Z
     Date Removed             : 2019-04-05T10:18Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.15 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831701
     Firmware Version         : 4.31/7.403
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-04-05T10:22Z
     Date Removed             : 2022-12-14T13:52Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.16 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831701
     Firmware Version         : 4.61/7.811
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-12-14T14:12Z
     Date Removed             : 2023-11-13T08:15Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.17 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1831701
     Firmware Version         : 4.70/7.813
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-11-13T08:15Z
     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             : TRM14532.00     NONE
     Serial Number            : 00080026539
     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       : RG58
     Antenna Cable Length     : 15 m
     Date Installed           : 1994-02-04
     Date Removed             : 1995-02-28
     Additional Information   : (multiple lines)

4.2  Antenna Type             : MPLL1/L2_SURV   NONE
     Serial Number            : 90LL12300
     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       : RG58
     Antenna Cable Length     : 15 m
     Date Installed           : 1995-02-28T10:57Z
     Date Removed             : 1997-04-15T10:00Z
     Additional Information   : (multiple lines)

4.3  Antenna Type             : TRM29659.00     NONE
     Serial Number            : 0220071796
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0000
     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       : RG214
     Antenna Cable Length     : 12 m
     Date Installed           : 1997-04-15T10:13Z
     Date Removed             : 2013-07-05T08:40Z
     Additional Information   : EMP Protector-Surge Arrestor installed
                              : between RG214 antenna cable and 1.5m pigtail
                              : antenna cable
                              : model: Huber Suhner 3402.17.K with capsule
                              : 73 Z-0-0-48

4.4  Antenna Type             : TRM29659.00     NONE
     Serial Number            : 0220071796
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.0000
     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       : LMR400 + RG13
     Antenna Cable Length     : 11.5 m
     Date Installed           : 2013-07-05T10:20Z
     Date Removed             : 2014-12-09T12:44Z
     Additional Information   : EMP Protector-Surge Arrestor installed
                              : between LMR400 antenna cable and 1.5m pigtail
                              : antenna cable (RG13)
                              : model: Huber Suhner 3402.17.K with capsule
                              : 73 Z-0-0-48
                              : The lenght of LMR400 cable is 10m (aprox) and
                              : the lenght of RG13 cable is 1.5m (aprox)

4.5  Antenna Type             : TRM57971.00     NONE
     Serial Number            : 1440925503
     Antenna Reference Point  : BAM
     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       : LMR400 + RG13
     Antenna Cable Length     : 11.5 m
     Date Installed           : 2014-12-09T13:14Z
     Date Removed             : 2016-12-14T09:58Z
     Additional Information   : EMP Protector-Surge Arrestor installed
                              : between LMR400 antenna cable and 1.5m pigtail
                              : antenna cable (RG13)
                              : model: Huber Suhner 3402.17.K with capsule
                              : 73 Z-0-0-48
                              : The lenght of LMR400 cable is 10m (aprox) and
                              : the lenght of RG13 cable is 1.5m (aprox)
                              : SECO (2072-33) antenna mount
                              : Individual absolute calibration is available in
                              : ftp://geofons.icc.cat/calibracions_antenes/

4.6  Antenna Type             : LEIAR25.R4      NONE
     Serial Number            : 726359
     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       : LMR400 + RG13
     Antenna Cable Length     : 11.5 m
     Date Installed           : 2016-12-14T11:07Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : 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        : 1994-05-23/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     : IONOSPHERE SOUNDER
       Status                 : PERMANENT
       Effective Dates        : 1994-05-23/CCYY-MM-DD
       Notes                  : DIGISONDE DGS-256 (Univ. Lowell, USA)

7.2  Instrumentation Type     : SEISMOGRAPH
       Status                 : PERMANENT
       Effective Dates        : 1994-05-23/CCYY-MM-DD
       Notes                  : sets of seismographs for the 3 components
                              : (NS, EW, vertical), and for short and long
                              : period, WWSS-BENIOFF, STS-2+QUANTERRA
                              : Q680-LV.

7.3  Instrumentation Type     : MAGNETOMETER
       Status                 : PERMANENT
       Effective Dates        : 1994-05-23/CCYY-MM-DD
       Notes                  : ARGO (BGS),Di-flux (ELSEC810+ZEISS010B),protons
                              : magnetometer (ELSEC820)

7.4  Instrumentation Type     : TELESCOPE
       Status                 : PERMANENT
       Effective Dates        : 1994-05-23/CCYY-MM-DD
       Notes                  : equatorial telescope for sun observation,15cm
                              : ZEISS

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
       Horizon Mask           : Y
       Monument Description   : Y
       Site Pictures          : Y
     Additional Information   : other data available (i.e. hourly 1Hz) at
                              : anonymous ftp://geofons.icgc.cat/
     Antenna Graphics with Dimensions

ANTENNA CONFIGURATION ON SITE SINCE  2016-12-14:

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                     |
           |                                              |
           |                                              |
           |                 STEEL MAST                   |
           |                                              |
           |                                              |
           |                                              |

ANTENNA CONFIGURATION ON SITE SINCE 2014-12-09:
TRM57971.00


   / --------------------------------------------- \   <--  0.06673  L1
  +                                                 +  <--  0.05769  L2
   \ --------------------------------------------- /
                   \               /
                    \             /
                     \-----+-----/             <--  0.0000  BAM
    <--                 0.3396                  ->  Notches
                     +===========+                           <--+
                     |           |                              |
                     |    Mount  |                             0.077 m
                     |     +-+   |                              |
Monument =>          +====|x|====+                           <--+  ARP
Ref. Point +-----+---------|--------+-------+
           |           Steel plate          |
           |                                |
           |                                |
           |        Concrete pillar         |
           |                                |
           |                                |
           |                                |



   ARP: Antenna Reference Point

ANTENNA CONFIGURATION ON SITE SINCE 15-APR-97:
TRM29659.00


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


OTHER ANTENNA
Micro Pulse L1/L2

                                    ---
                                /    +    \             <-----------+ 0.087 L2
                               |     +     |            <---------+ | 0.072 L1
              +----------------------------------------------+    | |
              |                                              |    | |
              |                                              |    | |
              |                                              |    | |
              |                                              |    | |
ARP=BPA  -->  -----------------+----| |----+------------------ <-+--+
                               |           |                     |
                               |   Mount   |                     |
                               |           |                    0.054 m
                               |    +-+    |
 Monument ->        +----------+----| |----+---------+         <-+
 Ref. Point   +-----+--------|-----------------------+-------+
              |              Steel plate                     |
              |                                              |
              |                                              |
              |               Concrete pillar                |
              |                                              |
              |                                              |
              |                                              |


Type:  TRIMBLE 4000ST L1/L2 GEOD

                       ----+----                          <--  0.070 L1
                    /      +      \                       <--  0.068 L2
++----------------+-----------------+-----------------++  <--  0.063
++----------------+-----------------+-----------------++ TGP
++---------------+-------------------+----------------++  <--  0.060
++---------------+-------------------+----------------++ BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <--  0.0 ARP=BPA

                    <--  0.140  --> BPA
                 <--     0.155     --> TPA
<--                      0.467                      --> NOTCHES
<--                      0.483                       --> EDGE



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