GJML00SRB 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)  : AGROS GNSS team (agros@rgz.gov.rs)
     Date Prepared            : 2023-02-21
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : gjml00srb_20230207.log
      Modified/Added Sections : 4.3


1.   Site Identification of the GNSS Monument

     Site Name                : Gornji Milanovac/Serbia
     Nine Character ID        : GJML00SRB
     Monument Inscription     : METAL PLATE PLACED ON THE IRON PILLAR
     IERS DOMES Number        : 12121M001
     CDP Number               : (A4)
     Monument Description     : IRON PILLAR WITH BRASS MOUNTING PLATE
       Height of the Monument : (m)
       Monument Foundation    : IRON PILLAR FIXED TO THE CONCRETE FENNCE ON THE
                              : BUILDING ROOF
       Foundation Depth       : (m)
     Marker Description       : BRASS NAIL
     Date Installed           : 2010-01-15T12:43Z
     Geologic Characteristic  : CONGLOMERATE
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : JOINTED
       Fracture Spacing       : 0 cm
       Fault zones nearby     : NO
         Distance/activity    : (multiple lines)
     Additional Information   : The GNSS antenna is installed on a iron pillar
                              : which is attached to the concrete fence on the
                              : flat roof terrace of local cadastre building in
                              : Gornji Milanovac municipality. Top and axis of a
                              : forced centering antenna mount on top of a
                              : metallic console, fixed on a concrete curb on a
                              : roof.


2.   Site Location Information

     City or Town             : Gornji Milanovac
     State or Province        : Central Serbia
     Country or Region        : SRB
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 4304059.874
       Y coordinate (m)       : 1605810.712
       Z coordinate (m)       : 4410324.299
       Latitude (N is +)      : +440128.39
       Longitude (E is +)     : +0202736.53
       Elevation (m,ellips.)  : 389.6
     Additional Information   : GJML is a reference station of the Serbian CORS
                              : network which defines and maintains in real-time
                              : so called Active Geodetic Spatial Reference
                              : Frame of Serbia (AGROS). The national CORS
                              : network AGROS is established and maintained by
                              : the Republic Geodetic Authority.


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE 5700
     Satellite System         : GPS
     Serial Number            : 0220360632
     Firmware Version         : Nav 2.24
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-01-15T12:43Z
     Date Removed             : 2011-07-03
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.2  Receiver Type            : LEICA GRX1200GGPRO
     Satellite System         : GPS+GLO
     Serial Number            : 351087
     Firmware Version         : 5.62
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-07-04
     Date Removed             : 2017-09-19T11:56Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.3  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5704R51289
     Firmware Version         : Nav 5.22
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-09-19T13:06Z
     Date Removed             : 2019-04-02
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.4  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5704R51289
     Firmware Version         : Nav 5.37
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-04-02
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : none
     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            : 0220135749
     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       : TRIMBLE DCA 9520 with label (14551-00 REV A)
     Antenna Cable Length     : 30 m
     Date Installed           : 2010-01-15T12:43Z
     Date Removed             : 2011-07-03
     Additional Information   : Trimble L1/L2 Dorne Margolin element with
                              : chokering, Model 29659.00

4.2  Antenna Type             : LEIAT504        LEIS
     Serial Number            : 200003
     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      : LEIS
     Radome Serial Number     : 
     Antenna Cable Type       : TRIMBLE DCA 0518 with label
     Antenna Cable Length     : 30 m
     Date Installed           : 2011-07-04
     Date Removed             : 2017-09-19T11:56Z
     Additional Information   : Leica L1/L2 Dorne Margolin antenna with
                              : chokerings (designed after DORNE MARGOLIN T).

4.3  Antenna Type             : TRM115000.00    TZGD
     Serial Number            : 1440905737
     Antenna Reference Point  : BAM
     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    : 130 deg
     Antenna Radome Type      : TZGD
     Radome Serial Number     : 
     Antenna Cable Type       : TRIMBLE DCA 0518 with label
     Antenna Cable Length     : 30 m
     Date Installed           : 2017-09-19T13:06Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : Trimble Zephyr 3 Geodetic with protective dome;
                              : switchable MSS filter in LNA; p/n 115000-00;
                              : L1/L2/L5/G1/G2/G3/E1/E2/E5ab/E6/BDS

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        : 2010-01-15/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)

9.2.1  Multipath Sources      : DOME
       Effective Dates        : 2010-01-15/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)

9.3.1  Signal Obstructions    : BUILDINGS
       Effective Dates        : 2010-01-15/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                   : Republic Geodetic Authority
                              : Geo sector, GNSS CORS network department
     Preferred Abbreviation   : RGA
     Mailing Address          : Boulevard of vojvoda Misic 39
                              : 11040 Belgrade
                              : Serbia
     Primary Contact
       Contact Name           : AGROS GNSS team
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : agros@rgz.gov.rs
     Secondary Contact
       Contact Name           : Mr. Sasa Lazic
       Telephone (primary)    : +381 11 7152724
       Telephone (secondary)  : 
       Fax                    : +381 11 2651330
       E-mail                 : slazic@rgz.gov.rs
     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://epncb.oma.be/ftp/center/data/BKGE.RDC;
                              : http://epncb.oma.be/ftp/center/data/BEV.RDC
     Hardcopy on File
       Site Map               : https://a3.geosrbija.rs/share/fa2d9b7324c7;
                              : http://93.87.56.29/Map/SensorMap.aspx?Lang=en
       Site Diagram           : (Y or URL)
       Horizon Mask           : (Y or URL)
       Monument Description   : (Y or URL)
       Site Pictures          : https://gnss-metadata.eu/
     Additional Information   : Serbian national CORS reference is managed and
                              : maintained by RGA - Geo sector, Department for
                              : GNSS (AGROS and EPN LAC team). The RTK network
                              : is operational and economically profitable since
                              : December of 2005 year. Trimble Pivot Platform
                              : web server of AGROS CORS network is available
                              : via public IP address, http://93.87.56.29/.
     Antenna Graphics with Dimensions

TRIMBLE CHOKE RING
TRM29659.00 NONE
Trimble antenna was installed in GJML station 
since 2010-01-15 until 2011-07-03
                         -----
                     /           \
                    |             |
  +-------------------------------------------------+     <--  0.1020  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+   <--  0.0381
+-------------------+-------------+-------------------+   <--  0.0350  BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.0000  BPA=ARP

<--                      0.3810                     -->

Leica GNSS antenna
LEIAT504 with LEIS radome
was installed since 2011-07-04 to 2017-09-19
                       +-------+                          <--  0.1393
                     /           \
                    |             |
  +-----------------+-------------+-----------------+     <--  0.1012  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+   <--  0.0378
+-------------------+-------------+-------------------+   <--  0.0345  BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000  BPA=ARP
                                                                       NOM=NRP
<--                      0.3794                     -->

Trimble Zephyr 3 Geodetic antenna with radome
TRM115000.00 TZGD
was installed from 2017-09-19

    / --------------------------------------------- \
   +                                                 +
    \ --------------------------------------------- /
                    \               /
                     \             /
                      \-----x-----/                        <--  0.0000  BAM=ARP

   <--                    0.3396                   -->

ARP: antenna reference point     BAM: bottom of antenna mount
BCR: bottom of chokering            BDG: bottom of dome ground plane
BGP: bottom of ground plane     BPA: bottom of preamplifier
TCR: top of chokering                   TDG: top of dome ground plane
TGP: top of ground plane            TOP: top of pole
TPA: top of preamplifier