KTHA00GRC 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)  : NOA GNSS Team (gnss-noanet@noa.gr)
     Date Prepared            : 2024-06-12
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : ktha00grc_20240424.log
      Modified/Added Sections : 11


1.   Site Identification of the GNSS Monument

     Site Name                : Kithira
     Four Character ID        : KTHA
     Monument Inscription     : NONE
     IERS DOMES Number        : 18414M001
     CDP Number               : NONE
     Monument Description     : Wyatt/Agnew drilled braced
       Height of the Monument : 1.20 m
       Monument Foundation    : steel rods
       Foundation Depth       : 1.50 m
     Marker Description       : Top of center support screw on SCIGN D3
     Date Installed           : 2017-06-18T00:00Z
     Geologic Characteristic  : Bedrock
       Bedrock Type           : 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   : (multiple lines)


2.   Site Location Information

     City or Town             : Kithira
     State or Province        : Kithira Island
     Country                  : Greece
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 4737986.552
       Y coordinate (m)       : 2017258.821
       Z coordinate (m)       : 3751411.640
       Latitude (N is +)      : +361523.12
       Longitude (E is +)     : +0230345.02
       Elevation (m,ellips.)  : 403.5
     Additional Information   : (multiple lines)


3.   GNSS Receiver Information

3.1  Receiver Type            : LEICA GR25
     Satellite System         : GPS
     Serial Number            : 1831483
     Firmware Version         : 4.11/6.523
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2017-06-18T00:00Z
     Date Removed             : 2018-07-14T23:59Z
     Temperature Stabiliz.    : 20.0 +/- 5.0
     Additional Information   : (multiple lines)

3.2  Receiver Type            : LEICA GR25
     Satellite System         : GPS
     Serial Number            : 1831489
     Firmware Version         : 4.20/6.524
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2018-07-15T00:00Z
     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             : LEIAR20         LEIM
     Serial Number            : 18208022
     Antenna Reference Point  : BAM
     Marker->ARP Up Ecc. (m)  :   0.0083
     Marker->ARP North Ecc(m) :   0.0000
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : (deg; + is clockwise/east)
     Antenna Radome Type      : LEIM
     Radome Serial Number     : 
     Antenna Cable Type       : (vendor & type number)
     Antenna Cable Length     : 30 m
     Date Installed           : 2017-06-18T00:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : (multiple lines)

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        : 2004-03-31/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                   : National Observatory of Athens
                              : Institute of Geodynamics
     Preferred Abbreviation   : NOA
     Mailing Address          : Lofos Nymfon, Thission
                              : 11810 Athens
                              : Greece
     Primary Contact
       Contact Name           : NOA GNSS Team
       Telephone (primary)    : +30 21 0349 0184
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : gnss-noanet@noa.gr
     Secondary Contact
       Contact Name           : Dr. Konstantinos Chousianitis
       Telephone (primary)    : +30 21 0349 0184
       Telephone (secondary)  : 
       Fax                    : +30 21 0349 0180
       E-mail                 : chousianitis@noa.gr
     Additional Information   : (multiple lines)


12.  Responsible Agency (if different from 11.)

     Agency                   : Istituto Nazionale di Geofisica e Vulcanologia
     Preferred Abbreviation   : INGV
     Mailing Address          : via di Vigna Murata  / 605
                              : 00143 Rome
                              : Italy
     Primary Contact
       Contact Name           : Dr. Antonio Avallone
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : antonio.avallone@ingv.it
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)


13.  More Information

     Primary Data Center      : Istituto Nazionale di Geofisica e Vulcanologia
     Secondary Data Center    : National Observatory of Athens
     URL for More Information : 
     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   : (multiple lines)
     Antenna Graphics with Dimensions

LEIAR20

                        +-----+                           <--  0.1613
                      /         \
                     |           |
    +----------------+-----------+----------------+       <--  0.1113  TCR
    |                                             |
    |                                             |
    |                                             |
    |                                             |
  +-+---------------------------------------------+-+
  +------------------+-----------+------------------+     <--  0.0323  BCR
                     |           |
                     |           |
                     +----+ +----+                        <--  0.0013  BPA
                          +x+                             <--  0.0000  BAM=ARP
                                                                       NOM=NRP
  <--                    0.3200                   -->