NMCU Site Information Form (site log) International GNSS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : RGP Team Date Prepared : 2021-03-29 Report Type : UPDATE If Update: Previous Site Log : nmcu_20160225.log Modified/Added Sections : 4.1, 13 1. Site Identification of the GNSS Monument Site Name : Nantes Métropole Communauté Urbaine Four Character ID : NMCU Monument Inscription : NONE IERS DOMES Number : 10058M003 CDP Number : NONE Monument Description : STEEL TUBE Height of the Monument : (m) Monument Foundation : CONCRETE WALL Foundation Depth : Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2010-01-25T12:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : NO Distance/activity : Additional Information : (multiple lines) 2. Site Location Information City or Town : Nantes State or Province : Loire Atlantique (44) Country : France Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4338224.364 Y coordinate (m) : -121072.688 Z coordinate (m) : 4658434.152 Latitude (N is +) : +471309.06 Longitude (E is +) : -0013555.02 Elevation (m,ellips.) : 115.8 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH PF500 Satellite System : GPS+GLO Serial Number : 200935051 Firmware Version : 200907008 Elevation Cutoff Setting : 5 Date Installed : 2010-01-25T12:00Z Date Removed : 2010-08-04T12:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : ASHTECH PF500 Satellite System : GPS+GLO Serial Number : 200909017 Firmware Version : 99999 Elevation Cutoff Setting : 5 Date Installed : 2010-08-04T14:00Z Date Removed : 2012-07-11T14:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : ASHTECH PF500 Satellite System : GPS+GLO Serial Number : 200935051 Firmware Version : S763Gx24 Elevation Cutoff Setting : 5 Date Installed : 2012-07-11T14:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+CMP+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 : AERAT1675_120 SPKE Serial Number : 50005 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 000.0000 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : SPKE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2010-01-25T12:00Z 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 : Effective Dates : 2010-01-25/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/BUILDLINGS/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 : Nantes Métropole Preferred Abbreviation : NONE Mailing Address : Nantes Métropole : 44923 Nantes cedex 9 Primary Contact Contact Name : Eric Becquet Telephone (primary) : 00 33 (0)2 40 99 93 02 Telephone (secondary) : Fax : 00 33 (0)2 40 99 93 14 E-mail : eric.becquet@nantesmetropole.fr Secondary Contact Contact Name : Yannick Robert Telephone (primary) : 00 33 (0)2 40 99 93 07 Telephone (secondary) : Fax : 00 33 (0)2 40 99 93 14 E-mail : yannick.robert@nantesmetropole.fr Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Institut National de l'Information Geographique : et Forestiere Preferred Abbreviation : IGN-SGN Mailing Address : 73 avenue de Paris : 94165 Saint-Mandé CEDEX France Primary Contact Contact Name : RGP Team Telephone (primary) : 00 33 (0)1 43 98 83 39 Telephone (secondary) : Fax : 00 33 (0)1 43 98 84 50 E-mail : rgpadmin@ign.fr Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 13. More Information Primary Data Center : RGP-SMD Secondary Data Center : RGP-MLVL URL for More Information : http://rgp.ign.fr Hardcopy on File Site Map : http://rgp.ign.fr Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : http://rgp.ign.fr Additional Information : (multiple lines) Antenna Graphics with Dimensions (insert text graphic from file antenna.gra) AERAT1675_120 SPKE / \ <-- 0.351 TOP | | | | | | +----------+ <-- 0.238 TGP / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ +--------------------------------------------------+ | | | | | | | | +-------------------+------x------+----------------+ <-- 0.000 BAM <-- 0.376 -->