SEUS00BES 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)  : GI-RD (rd@kadaster.nl)
     Date Prepared            : 2024-05-01
     Report Type              : NEW
     If Update:
      Previous Site Log       : 
      Modified/Added Sections : 1, 2, 3.1, 3.2, 3.3, 3.4, 4.1, 6.1, 9.3.1, 11, 
                              : 13


1.   Site Identification of the GNSS Monument

     Site Name                : Sint Eustatius F.D. Roosevelt airport
     Four Character ID        : SEUS
     Monument Inscription     : None
     IERS DOMES Number        : 86101M001
     CDP Number               : None
     Monument Description     : Seco mount on stee mast
       Height of the Monument : 1.0 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  : Loam
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : FRESH
       Fracture Spacing       : over 200 cm
       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 trough
                              : tubular steel mast on reinforced concrete 
                              : pillar
                              : Reinforced 1.0 m wide concrete footing of 
                              : pillar
                              : at 1.0 m depth with 4 steel ground anchor 
                              : screws
                              : of 2 m length


2.   Site Location Information

     City or Town             : Oranjestad
     State or Province        : Sint Eustatius
     Country                  : Bonaire, Sint Eustatius and Saba
     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            : 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           : 2019-02-01T15:00Z
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Additional Information   : https://gnss-data.kadaster.nl/info/antex/
                              : SEPCE_B3E6+S33__SPKE_5722.atx

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        : 2022-11-11/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                   : Kadaster
                              : Geodetische Infrastructuur -
                              : Rijksdriehoeksmeting
     Preferred Abbreviation   : KAD
     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           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : 


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      : KAD
     Secondary Data Center    : 
     URL for More Information : 
     Hardcopy on File
       Site Map               : 
       Site Diagram           : 
       Horizon Mask           : 
       Monument Description   : 
       Site Pictures          : 
     Additional Information   : 
     Antenna Graphics with Dimensions

SEPCHOKE_B3E6