KNJA00SRB Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://files.igscb.org/pub/station/general/sitelog_instr.txt


0.   Form

     Prepared by (full name)  : AGROS GNSS team (agros@rgz.gov.rs)
     Date Prepared            : 2023-02-07
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : knja00srb_20221219.log
      Modified/Added Sections : 11


1.   Site Identification of the GNSS Monument

     Site Name                : Knjazevac/Serbia
     Four Character ID        : KNJA
     Monument Inscription     : CONCREET CHIMNEY MADE OF BRICKS
     IERS DOMES Number        : 12113M001
     CDP Number               : (A4)
     Monument Description     : CONCRETE CHIMNEY ON THE ROOF OF LOCAL CADASTRE
       Height of the Monument : (m)
       Monument Foundation    : CONCRETE CHIMNEY ON THE ROOF OF BUILDING
       Foundation Depth       : (m)
     Marker Description       : ALUMINIUM PLATE ATTACHED TO THE IRON PODIUM
     Date Installed           : 2008-04-01
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : JOINTED
       Fracture Spacing       : 0 cm
       Fault zones nearby     : NO
         Distance/activity    : (multiple lines)
     Additional Information   : GNSS antenna is installed on a concrete chimney
                              : on the roof of local cadastre office building in
                              : municipality Knjazevac


2.   Site Location Information

     City or Town             : Knjazevac
     State or Province        : Province
     Country                  : Serbia
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 4284174.970
       Y coordinate (m)       : 1753166.350
       Z coordinate (m)       : 4373521.600
       Latitude (N is +)      : +433359.53
       Longitude (E is +)     : +0221519.14
       Elevation (m,ellips.)  : 291.0
     Additional Information   : KNJA is a reference geodetic point of the
                              : Serbian GNSS CORS network - AGROS, established
                              : and maintained by the Republic Geodetic
                              : Authority


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE 4400
     Satellite System         : GPS
     Serial Number            : 3801A21591
     Firmware Version         : 2.30
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2008-04-01
     Date Removed             : 2011-07-19
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.2  Receiver Type            : TRIMBLE 5700
     Satellite System         : GPS
     Serial Number            : 0220368043
     Firmware Version         : Nav 2.24
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-07-19
     Date Removed             : 2017-09-08T09:42Z
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : 1) the receiver TRIMBLE 5700 - SN 0220368043 has
                              : been replaced by the receiver TRIMBLE 5700 - SN
                              : 0220368058 between 2011-07-19 and 2017-09-08 due
                              : to technical issues
                              : 2) the firmware version has been upgraded to Nav
                              : 2.32 on February 19th 2016

3.3  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5649R51059
     Firmware Version         : Nav 5.22
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-09-08T10:19Z
     Date Removed             : 2019-04-05
     Temperature Stabiliz.    : (deg C) +/- (deg C)
     Additional Information   : (multiple lines)

3.4  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 5649R51059
     Firmware Version         : Nav 5.37
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-04-05
     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            : 0220107988
     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           : 2008-04-01
     Date Removed             : 2010-03-04
     Additional Information   : Trimble L1/L2 Dorne Margolin element with
                              : chokering, Model 29659.00

4.2  Antenna Type             : TRM41249.00     TZGD
     Serial Number            : 60052111
     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    : 0 deg
     Antenna Radome Type      : TZGD
     Radome Serial Number     : 
     Antenna Cable Type       : TRIMBLE DCA 9520 with label (14551-00 REV A)
     Antenna Cable Length     : 30 m
     Date Installed           : 2010-03-04
     Date Removed             : 2011-07-19
     Additional Information   : Trimble Zephyr Geodetic w/Radome

4.3  Antenna Type             : TRM41249.00     TZGD
     Serial Number            : 12379197
     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    : 102 deg
     Antenna Radome Type      : TZGD
     Radome Serial Number     : 
     Antenna Cable Type       : TRIMBLE SB3710 with label
     Antenna Cable Length     : 30 m
     Date Installed           : 2011-07-19
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : Trimble Zephyr Geodetic w/Radome

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        : 2008-04-01/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     : GPS
       Status                 : PERMANENT
       Effective Dates        : 2008-04-01/CCYY-MM-DD
       Notes                  : (multiple lines)

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

9.1.1  Radio Interferences    : TV/RADIO/CELL PHONE ANTENNAS/RADAR/etc
       Observed Degradations  : (SN RATIO/DATA GAPS/ETC)
       Effective Dates        : 2008-04-01/CCYY-MM-DD
       Additional Information : (multiple lines)

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        : 2008-04-01/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        : 2008-04-01/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
       Site Diagram           : (Y or URL)
       Horizon Mask           : (Y or URL)
       Monument Description   : (Y or URL)
       Site Pictures          : https://gnss-metadata.eu/
     Additional Information   : AGROS CORS RTKNet - Trimble Pivot Platform web 
                              : server is available on address 
                              : http://93.87.56.29/
     Antenna Graphics with Dimensions

TRIBMLE CHOKE RING
TRM29659.00 NONE
from 2008-04-01 untill 2011-07-19

                         -----
                     /           \
                    |             |
  +-------------------------------------------------+     <--  0.1020  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+   <--  0.0381
+-------------------+-------------+-------------------+   <--  0.0350  BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.0000  BPA=ARP

<--                      0.3810                     -->


Trimble Zephyr Geodetic with GP/ with Radome
TRM41249.00 TZGD
from 2011-07-19

    / ----------------------+--------------------- \   <--  0.0715  L1
   +                        +                       +  <--  0.0674  L2
    \ -------------------------------------------- /
                    \               /
                     \             /
                      \-----+-----/                    <--  0.0000  ARP=TOP

   <--                   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