DATG 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) : Thomas Donal Date Prepared : 2017-11-11 Report Type : NEW If Update: Previous Site Log : (ssss_ccyymmdd.log) Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : Dakar Four Character ID : DATG Monument Inscription : None IERS DOMES Number : 34107M002 CDP Number : Monument Description : INOX TRIANGULAR PLATE ON TOP OF A METALLIC : PILLAR Height of the Monument : 3 m Monument Foundation : Concrete wharf Foundation Depth : (m) Marker Description : brass hemispheric mark Date Installed : 2017-11-11T00:00Z Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/10-50 cm/50-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : The rigid steel mast is anchored immediate : proximity of the tide gauge. 2. Site Location Information City or Town : Dakar State or Province : Plateau Country : Senegal Tectonic Plate : AFRICAN Approximate Position (ITRF) X coordinate (m) : 5888346.0000 Y coordinate (m) : -1847593.0000 Z coordinate (m) : 1605474.0000 Latitude (N is +) : +144034.20 Longitude (E is +) : -0172513.26 Elevation (m,ellips.) : 40.0 Additional Information : The site is located at the port of Dakar 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 5607R50085 Firmware Version : 5.03 Elevation Cutoff Setting : 0 deg Date Installed : 2017-11-11T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : 25 C +/- 5 C Additional Information : (multiple lines) 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 : TRM57971.00 NONE Serial Number : 3121182119 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 3.1020 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0.0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : LMR-400 Antenna Cable Length : 30.00 m Date Installed : 2017-11-11T00:00Z 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 : 2017-11-11/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 Status : PERMANENT Effective Dates : 2014-09-18/CCYY-MM-DD Notes : GLOSS station 253 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 : Direction des Travaux Geographiques et : Cartographiques de l'Agence nationale : de l'Aménagement du territoire Preferred Abbreviation : ANAT/DTGC Mailing Address : Primary Contact Contact Name : Ibrahima Ndiaye (DTGC/ANAT) Telephone (primary) : +221 77 609 05 86 Telephone (secondary) : +221 33 832 15 06 Fax : E-mail : ibrahima7.ndiaye@anat.sn Secondary Contact Contact Name : Oumar H. KA (DTGC/ANAT) Telephone (primary) : +221 77 444 50 47 Telephone (secondary) : +221 33 832 15 06 Fax : E-mail : oumar.ka@anat.sn Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : IGN : institut national de l'information geographique : et forestiere Preferred Abbreviation : IGN Mailing Address : Service de Geodesie et Nivellement : 73 avenue de Paris : 94165 SAINT-MANDE Cedex FRANCE Primary Contact Contact Name : IGN - SONEL team Telephone (primary) : +33 1 43 98 85 53 Telephone (secondary) : Fax : E-mail : projet-sonel@ign.fr Secondary Contact Contact Name : LIENSs - SONEL team Telephone (primary) : +33 5 46 45 83 94 Telephone (secondary) : Fax : E-mail : sonel@sonel.org Additional Information : http://www.sonel.org 13. More Information Primary Data Center : SONEL Secondary Data Center : URL for More Information : www.sonel.org Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : www.sonel.org/spip.php?page=gps&idStation=4171 Additional Information : Antenna Graphics with Dimensions TRM57971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----x-----/ <-- 0.0000 BAM=ARP <-- 0.3396 --> Abbreviations ------------- ARP: antenna reference point BAM: bottom of antenna mount BCR: bottom of chokering BPA: bottom of preamplifier TCR: top of chokering Dimensions ---------- All dimensions are in meters.