NOA100GRC 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 : noa100grc_20211117.log Modified/Added Sections : 3.6, 3.7, 11 1. Site Identification of the GNSS Monument Site Name : ATHENS Four Character ID : NOA1 Monument Inscription : NONE IERS DOMES Number : 12620M001 CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 1.89 m Monument Foundation : ROOF Foundation Depth : (m) Marker Description : NAIL Date Installed : 2006-03-13 Geologic Characteristic : BEDROCK Bedrock Type : SEDIMENTARY Bedrock Condition : JOINTED Fracture Spacing : 51-200 cm Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : NOA1 is operated by NOA - www.noa.gr 2. Site Location Information City or Town : Athens State or Province : Attica Country : Greece Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4599641.950 Y coordinate (m) : 2034827.310 Z coordinate (m) : 3909890.600 Latitude (N is +) : +380249.43 Longitude (E is +) : +0235150.52 Elevation (m,ellips.) : 537.8 Additional Information : NOA1 is located at the ISARSIAA Building. 3. GNSS Receiver Information 3.1 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 462661 Firmware Version : 3.00/2.121 Elevation Cutoff Setting : 5 deg Date Installed : 2006-03-13T12:05Z Date Removed : 2006-09-04T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 462590 Firmware Version : 3.00/2.121 Elevation Cutoff Setting : 5 deg Date Installed : 2006-09-05T00:00Z Date Removed : 2010-01-12T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 462590 Firmware Version : 7.53/2.125 Elevation Cutoff Setting : 5 deg Date Installed : 2010-01-13T00:00Z Date Removed : 2012-12-12T23:59Z Temperature Stabiliz. : none Additional Information : Uploaded to EPN on 2010-02-02 3.4 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 462590 Firmware Version : 7.53/2.127 Elevation Cutoff Setting : 5 deg Date Installed : 2012-12-13T00:00Z Date Removed : 2016-03-04T23:59Z Temperature Stabiliz. : none Additional Information : Uploaded to EPN on 2012-12-15 3.5 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 462590 Firmware Version : 7.53/2.127 Elevation Cutoff Setting : 0 deg Date Installed : 2016-03-05T00:00Z Date Removed : 2016-09-04T08:00Z Temperature Stabiliz. : none Additional Information : Uploaded to EPN on 2016-03-04 3.6 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 462590 Firmware Version : 9.20/2.127 Elevation Cutoff Setting : 0 deg Date Installed : 2016-09-05T00:00Z Date Removed : 2024-06-05T10:00Z Temperature Stabiliz. : none Additional Information : Uploaded to EPN on 2016-09-05 3.7 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4718131827 Firmware Version : 1.32 Elevation Cutoff Setting : 0 deg Date Installed : 2024-06-05T10:00Z 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 : LEIAT504 LEIS Serial Number : 103326 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.8910 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 : Leica 632390 Antenna Cable Length : 30 m Date Installed : 2006-03-13T12:05Z Date Removed : 2018-07-11T12:05Z Additional Information : (multiple lines) 4.2 Antenna Type : LEIAT504 LEIS Serial Number : 103326 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.8910 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 : Leica 632390 Antenna Cable Length : 30 m Date Installed : 2018-07-11T12:05Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Due to reinforcement of antenna cables a jump in : antenna position has occurred as follows: : dE=-4mm, dN=+17mm, dUp=0mm. Date effective of : the jump is July 11, 2018. 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 : 2004-01-01/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.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 : (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 : ASI Secondary Data Center : URL for More Information : http://geodesy.gein.noa.gr:8000/nginfo/ 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 LEIAT504 +-------+ <-- 0.1393 / + \ <-- 0.1282 L2 | + | <-- 0.1093 L1 +-----------------+-------------+------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.1020 BCR | | | | +------x------+ <-- 0.0 BPA=ARP | | | | | | | | Antenna Height = 1.891 m | | | | | | --------------------------x------------------------- marker <-- 0.3794 -->