LROC00FRA 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) : SONEL team (sonel-tech@univ-lr.fr) Date Prepared : 2023-06-12 Report Type : UPDATE If Update: Previous Site Log : lroc_20210218.log Modified/Added Sections : 1, 3.6, 11, 12, 13 1. Site Identification of the GNSS Monument Site Name : LA ROCHELLE Four Character ID : LROC Monument Inscription : None IERS DOMES Number : 10023M001 CDP Number : Monument Description : STEEL MAST Height of the Monument : 1.0 m Monument Foundation : CONCRETE ROOF, BUNKER WORLD WAR II Foundation Depth : Marker Description : TRIANGULAR CENTERING PLATE (ALUMINIUM) Date Installed : 2001-11-23T00:00Z Geologic Characteristic : LIMESTONE Bedrock Type : SEDIMENTARY Bedrock Condition : Fracture Spacing : Fault zones nearby : NO Distance/activity : Additional Information : 2. Site Location Information City or Town : La Rochelle State or Province : CHARENTE MARITIME Country : France Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4424632.8 Y coordinate (m) : -94175.5 Z coordinate (m) : 4577543.9 Latitude (N is +) : +460932.18 Longitude (E is +) : -0011309.55 Elevation (m,ellips.) : 57.9 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220013809 Firmware Version : CJ00 Elevation Cutoff Setting : 5 deg Date Installed : 2001-11-23T00:00Z Date Removed : 2004-03-01T13:30Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC2200303012 Firmware Version : CN00 Elevation Cutoff Setting : 5 deg Date Installed : 2004-03-01T14:05Z Date Removed : 2005-03-16T09:25Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220013809 Firmware Version : CJ00 Elevation Cutoff Setting : 5 deg Date Installed : 2005-03-16T09:25Z Date Removed : 2015-06-25T15:00Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831181 Firmware Version : 3.11.1639 Elevation Cutoff Setting : 0 deg Date Installed : 2015-06-25T15:00Z Date Removed : 2019-01-04T15:30Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831181 Firmware Version : 4.20.232 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-04T15:30Z Date Removed : 2019-04-10T14:03Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831181 Firmware Version : 4.20.232 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-10T14:03Z Date Removed : 2019-04-17T09:37Z Temperature Stabiliz. : Additional Information : Beidou tracking has been desactivated the : 16/04/2019 at 13:39 UTC precisely. 3.7 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1831181 Firmware Version : 4.31.101 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-17T09:37Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+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 : ASH701945B_M NONE Serial Number : CR620013801 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 : ASHTECH Antenna Cable Length : 30 m Date Installed : 2001-11-23T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 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 : Effective Dates : 2001-11-23/CCYY-MM-DD Notes : 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 - ACOUSTIC TYPE Status : PERMANENT Effective Dates : 1997-04-28/2001-04-23 Notes : 7.2 Instrumentation Type : TIDE GAUGE - RADAR TYPE Status : PERMANENT Effective Dates : 2001-04-23/CCYY-MM-DD Notes : 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 : Observatoire Aquitain des Sciences de l'Univers Preferred Abbreviation : OASU Mailing Address : Allée Geoffroy Saint-Hilaire / CS 50023 : 33615 PESSAC CEDEX : France Primary Contact Contact Name : SONEL CNRS/LIENSS Telephone (primary) : +33 5 46 45 83 94 Telephone (secondary) : Fax : E-mail : sonel@sonel.org Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : www.sonel.org 12. Responsible Agency (if different from 11.) Agency : Réseau sismologique et géodésique francais, : CNRS Preferred Abbreviation : RESIF Mailing Address : Rue Michel-Ange 3 : 75794 Paris Cedex 16 : France Primary Contact Contact Name : RESIF-RENAG GNSS direction and data center Telephone (primary) : Telephone (secondary) : Fax : E-mail : resif-renag-ops@groupes.renater.fr Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : http://renag.resif.fr/fr/ 13. More Information Primary Data Center : IGN Secondary Data Center : BKG URL for More Information : http://rgp.ign.fr/STATIONS/#LROC Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : http://webrenag.unice.fr/fr/ Antenna Graphics with Dimensions --- L2 Phase Center => / + \ <--- 0.1280 L2 L1 Phase Center => | + | <--- 0.1100 L1 +----------------------------------------------+ <--- 0.1006 TCR | | | | | | | | +--------------------------------------------------+ <-- 0.0376 +------------------+-----------+-------------------+ <-- 0.0346 BCR | | | +-+ | +----------------+====| |====+-----------------+ <- 0.0000 BPA=ARP | aluminium | | plate | +-------| |-----------| |---------------| |----+ | | +-+ | | | | | | | | | | | | | | | | | | | | | | DORIS steel mast | | | | of about 1 meter | | | | | | | | | | | | | | | | | | | | | | | | | | | | ------------| |------------+----------------| |----- Bunker Terrace BPA: Bottom of Preamplifier ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering