SEUS00BES Site Information Form (site log v2.0)
International GNSS Service
See Instructions at:
https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt
0. Form
Prepared by (full name) : GI-RD (rd@kadaster.nl)
Date Prepared : 2024-05-27
Report Type : UPDATE
If Update:
Previous Site Log : seus00bes_20230801.log
Modified/Added Sections : 1, 4.1, 4.2, 9.3.1, 11, 12, 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 trough
: tubular steel mast on reinforced concrete pillar
Height of the Monument : +0.9 m
Monument Foundation : 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
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 : (0 cm/1-10 cm/11-50 cm/51-200 cm/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
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) : 2764145.995
Y coordinate (m) : -5420873.440
Z coordinate (m) : 1905182.035
Latitude (N is +) : +172943.07
Longitude (E is +) : -0625857.39
Elevation (m,ellips.) : -6.2
Additional Information : (multiple lines)
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. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
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. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
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. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
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. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions)
Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+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
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 : (if external)
Effective Dates : 2019-02-01/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)
9.3.1 Signal Obstructions : Mountains
Effective Dates : 2019-02-01/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 : 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 : (multiple lines)
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 : (multiple lines)
13. More Information
Primary Data Center : KAD
Secondary Data Center :
URL for More Information :
Hardcopy on File
Site Map : (Y or URL)
Site Diagram : (Y or URL)
Horizon Mask : (Y or URL)
Monument Description : (Y or URL)
Site Pictures : (Y or URL)
Additional Information : https://doi.org/10.7283/RFYY-MM87
: The data is also posted at Earthscope
Antenna Graphics with Dimensions
SEPCHOKE_B3E6
--------------- <-- 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 -->