GVDG00GRC 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)  : REGINA operation ([email protected])
     Date Prepared            : 2024-05-28
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : gvdg00grc_20240528.log
      Modified/Added Sections : 1, 2, 3.1, 4.1, 5.1, 5.2, 5.3, 6.1, 7.1, 7.2,
                              : 9.3.1, 11, 12, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Gavdos
     Nine Character ID        : GVDG00GRC
     Monument Inscription     : None
     IERS DOMES Number        : 12618M003
     CDP Number               : none
     Monument Description     : concrete pillar and 50 cm steel antenna mount
       Height of the Monument : 1.60 m
       Monument Foundation    : CONCRETE BLOCK
       Foundation Depth       : (m)
     Marker Description       : brass hemispheric mark
     Date Installed           : 2023-09-21T00:00Z
     Geologic Characteristic  : unknown
       Bedrock Type           : (IGNEOUS/METAMORPHIC/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     : unknown
         Distance/activity    : unknown
     Additional Information   : Station part of Regina (Receiver Gnss Network
                              : for IGS and Navigation), CNES and IGN France
                              : project.


2.   Site Location Information

     City or Town             : Gavdos Island
     State or Province        : Chania
     Country or Region        : GRC
     Tectonic Plate           : AEGEAN SEA
     Approximate Position (ITRF)
       X coordinate (m)       : 4783638.002
       Y coordinate (m)       : 2140729.676
       Z coordinate (m)       : 3623234.366
       Latitude (N is +)      : +345018.10
       Longitude (E is +)     : +0240632.51
       Elevation (m,ellips.)  : 124.2
     Additional Information   : POSITION ITRF2020   EPOQUE 2023.730 (24/09/2023)


3.   GNSS Receiver Information

3.1  Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+IRNSS+SBAS
     Serial Number            : 3069262
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-09-21T00:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : 21.0 +/- 3.0
     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             : TRM59800.00     NONE
     Serial Number            : 5925338591
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  :   0.5191
     Marker->ARP North Ecc(m) :  -0.0006
     Marker->ARP East Ecc(m)  :   0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : TRIMBLE
     Antenna Cable Length     : 65 m
     Date Installed           : 2023-09-21T00:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : cabling: 60 m LMR400
                              : + coaxial RF surge protector
                              : + 5 m LMR400

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

5.1  Tied Marker Name         : DORIS antenna ref. pt.(GAVC)
     Tied Marker Usage        : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
     Tied Marker CDP Number   : (A4)
     Tied Marker DOMES Number : 12618S002
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : -1.772 m
       dy (m)                 : -38.145 m
       dz (m)                 : 25.775 m
     Accuracy (mm)            : 1 mm
     Survey method            : TRIANGULATION
     Date Measured            : 2023-09-25T12:00Z
     Additional Information   : high geodetic surveying proceed by IGN-F

5.2  Tied Marker Name         : Mark under Doris antenna  (GAVC)
     Tied Marker Usage        : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
     Tied Marker CDP Number   : (A4)
     Tied Marker DOMES Number : 12618M004
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : -2.392 m
       dy (m)                 : -38.423 m
       dz (m)                 : 25.302 m
     Accuracy (mm)            : 1 mm
     Survey method            : TRIANGULATION
     Date Measured            : 2023-09-25T12:00Z
     Additional Information   : high geodetic surveying proceed by IGN-F

5.3  Tied Marker Name         : Mark under former Doris antenna  (GAVB)
     Tied Marker Usage        : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
     Tied Marker CDP Number   : (A4)
     Tied Marker DOMES Number : 12618M002
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : -1.780 m
       dy (m)                 : -31.996 m
       dz (m)                 : 20.448 m
     Accuracy (mm)            : 1 mm
     Survey method            : TRIANGULATION
     Date Measured            : 2023-09-25T12:00Z
     Additional Information   : high geodetic surveying proceed by IGN-F

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        : 2023-09-28/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     : TIDE GAUGE
       Status                 : PERMANENT
       Effective Dates        : 2010-10-01/2016-09-01
       Notes                  : Precise levelling to GVDG00GRC proceed by IGN-F

7.2  Instrumentation Type     : DORIS
       Status                 : PERMANENT
       Effective Dates        : 2023-09-25/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.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)

9.3.1  Signal Obstructions    : DOCKING / MARITIME TRAFFIC
       Effective Dates        : 2013-11-21/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                   : Technical University of Crete
     Preferred Abbreviation   : TUC
     Mailing Address          : Chania
                              : 731 00 Crete - GREECE
                              : Greece
     Primary Contact
       Contact Name           : REGINA Team
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : [email protected]
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)


12.  Responsible Agency (if different from 11.)

     Agency                   : Centre National d'Etudes Spatiales
     Preferred Abbreviation   : CNES
     Mailing Address          : Avenue Edouard Belin 18
                              : 31401 Toulouse cedex9
                              : France
     Primary Contact
       Contact Name           : REGINA operation
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : [email protected]
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : GVDG00GRC is operated jointly by CNES and IGN
                              : Website : https://regina.cnes.fr


13.  More Information

     Primary Data Center      : IGN
     Secondary Data Center    : BKG
     URL for More Information : http://rgp.ign.fr/
     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   : http://www.sonel.org/
     Antenna Graphics with Dimensions

TRM159900.00
                         -----
                     /           \
                    |             |
  +-------------------------------------------------+     <--  0.1020  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+   <--  0.0381
+-------------------+-------------+-------------------+   <--  0.0350  BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000  BPA=ARP

<--                      0.3810                     -->

Abbreviations
-------------
ARP: antenna reference point
BCR: bottom of chokering
BPA: bottom of preamplifier
TCR: top of chokering

Dimensions
----------
All dimensions are in meters.