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 (regina.operation@cnes.fr)
Date Prepared : 2024-12-11
Report Type : UPDATE
If Update:
Previous Site Log : gvdg00grc_20240528.log
Modified/Added Sections : 4.1
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 : TRM159900.00 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 : regina.operation@cnes.fr
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 : regina.operation@cnes.fr
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.
