SEUS00BES Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : Kadaster Date Prepared : 2024-10-22 Report Type : UPDATE If Update: Previous Site Log : seus00bes_20240529.log Modified/Added Sections : 1, 4.2, 13 1. Site Identification of the GNSS Monument Site Name : Sint Eustatius F.D. Roosevelt airport Nine Character ID : SEUS00BES Monument Inscription : None IERS DOMES Number : 86101M001 CDP Number : None Monument Description : Seco mount on central steel anchor Height of the Monument : 0.9 m Monument Foundation : Reinforced 1.0 m wide concrete footing of pillar Foundation Depth : 2.4 m Marker Description : Thread of seco mount Date Installed : 2019-02-01T15:00Z Geologic Characteristic : Pyroclastic flow deposit Bedrock Type : SEDIMENTARY Bedrock Condition : WEATHERED Fracture Spacing : Fault zones nearby : Lesser Antilles subduction zone Distance/activity : Volcanic activity, convergent plate boundary : over 100 km northeast Additional Information : RD site+marker No. 830302-01 : Seco mount on central steel anchor through : tubular steel mast on reinforced concrete : pillar. : Reinforced 1.0 m wide concrete footing of : pillar at 1.0 m depth anchored with 4 steel : rods of 2 m length pounded into the ground. 2. Site Location Information City or Town : Oranjestad State or Province : Sint Eustatius Country or Region : BES Tectonic Plate : CARIBBEAN Approximate Position (ITRF) X coordinate (m) : 2764145.9950 Y coordinate (m) : -5420873.4400 Z coordinate (m) : 1905182.0350 Latitude (N is +) : +172943.07 Longitude (E is +) : -0625857.39 Elevation (m,ellips.) : -6.2 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3024999 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-02-01T15:00Z Date Removed : 2020-01-15T14:45Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3024999 Firmware Version : 5.3.1 Elevation Cutoff Setting : 0 deg Date Installed : 2020-01-15T14:45Z Date Removed : 2021-01-20T19:30Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3024999 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-01-20T19:30Z Date Removed : 2022-11-11T15:48Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3024999 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-11-11T15:48Z 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 : SEPCHOKE_B3E6 SPKE Serial Number : 5270 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 : SPKE Radome Serial Number : Antenna Cable Type : McGill microwave systems LMR-600 Antenna Cable Length : 15 m Date Installed : 2019-02-01T15:00Z Date Removed : 2020-09-26T23:59Z Additional Information : https://gnss-data.kadaster.nl/info/antex/ : SEPCHOKE_B3E6___SPKE_5270.atx 4.2 Antenna Type : SEPCHOKE_B3E6 SPKE Serial Number : 5722 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 : SPKE Radome Serial Number : Antenna Cable Type : McGill microwave systems LMR-600 Antenna Cable Length : 15 m Date Installed : 2021-01-20T19:34Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : https://gnss-data.kadaster.nl/info/antex/ : SEPCE_B3E6+S33__SPKE_5722.atx : The spike was broken in the night from : 2024-09-20 to 2024-09-21 due to vandalism. : A new radome was placed 2024-10-08 19:25 UTC. 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 : 2019-02-01/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.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 : Mountains Effective Dates : 2019-02-01/CCYY-MM-DD Additional Information : 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 : Royal Netherlands Meteorological Institute Preferred Abbreviation : KNMI Mailing Address : Utrechtseweg 297 : 3731 GA De Bilt : Netherlands (the) Primary Contact Contact Name : KNMI GNSS BES Telephone (primary) : Telephone (secondary) : Fax : E-mail : gnss-bes@knmi.nl Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : Kadaster and : Royal Netherlands Meteorological Institute Preferred Abbreviation : KAD & KNMI Mailing Address : Hofstraat 110 : 7311 KZ Apeldoorn : Netherlands (the) Primary Contact Contact Name : GI-RD Telephone (primary) : Telephone (secondary) : Fax : E-mail : rd@kadaster.nl Secondary Contact Contact Name : KNMI GNSS BES Telephone (primary) : Telephone (secondary) : Fax : E-mail : gnss-bes@knmi.nl Additional Information : 13. More Information Primary Data Center : CDDIS Secondary Data Center : BKG URL for More Information : Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : https://doi.org/10.7283/RFYY-MM87 : The data is also posted at Earthscope Antenna Graphics with Dimensions --------------- <-- 0.1550 / \ | | +-----------------------------------------------------+ <-- 0.1080 TCR | | | | | | | | +-----------------+-----------------+-----------------+ <-- 0.0480 BCR | | | | | | +--------x--------+ <-- 0.0000 BPA=ARP (5/8" thread might differ from BPA!) NOM=NRP <-- 0.1210 --> <-- 0.3630 -->