DENT00BEL 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) : GNSSatROB (gnss@oma.be)
Date Prepared : 2023-06-26
Report Type : UPDATE
If Update:
Previous Site Log : dent00bel_20230404.log
Modified/Added Sections : 4.7, 4.8
1. Site Identification of the GNSS Monument
Site Name : Dentergem
Four Character ID : DENT
Monument Inscription : NONE
IERS DOMES Number : 13112M001
CDP Number : (A4)
Monument Description : STEEL MAST
Height of the Monument : 6 m
Monument Foundation : CONCRETE BLOCK
Foundation Depth : 2 m
Marker Description : BRASS NAIL
Date Installed : 1994-01-06
Geologic Characteristic : SAND
Bedrock Type : SEDIMENTARY
Bedrock Condition : FRESH
Fracture Spacing : 0 cm
Fault zones nearby : NO
Distance/activity : (multiple lines)
Additional Information : (multiple lines)
2. Site Location Information
City or Town : Dentergem
State or Province : West-Vlaanderen
Country : Belgium
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4020711.600
Y coordinate (m) : 238850.990
Z coordinate (m) : 4928949.570
Latitude (N is +) : +505601.34
Longitude (E is +) : +0032358.81
Elevation (m,ellips.) : 63.9
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-238
Firmware Version : 2.8
Elevation Cutoff Setting : 0 deg
Date Installed : 1994-01-06
Date Removed : 1996-05-31
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.2 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-237
Firmware Version : 3.2
Elevation Cutoff Setting : 0 deg
Date Installed : 1996-06-01
Date Removed : 1999-07-07
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.3 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-237
Firmware Version : 3.2.32.9
Elevation Cutoff Setting : 0 deg
Date Installed : 1999-07-07
Date Removed : 2002-03-07T11:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.4 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : UX219994206
Firmware Version : UG00-OA13
Elevation Cutoff Setting : 0 deg
Date Installed : 2002-03-07T12:30Z
Date Removed : 2003-09-05T08:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : 2003-03-18T08:11Z Deactivation of smoothing
: in conversion from raw data to RINEX
: (XYZAshRx program) on request of IGS CB
3.5 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : UX219992013
Firmware Version : ZC00-OA12
Elevation Cutoff Setting : 0 deg
Date Installed : 2003-09-05T09:00Z
Date Removed : 2008-03-06T10:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.6 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : ZR220013841
Firmware Version : CQ00-1A01
Elevation Cutoff Setting : 0 deg
Date Installed : 2008-03-06T11:00Z
Date Removed : 2008-10-16T11:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.7 Receiver Type : SEPT POLARX2E
Satellite System : GPS
Serial Number : 3482
Firmware Version : 3.2.0-patch1
Elevation Cutoff Setting : 0 deg
Date Installed : 2008-10-16T11:00Z
Date Removed : 2009-02-05
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.8 Receiver Type : SEPT POLARX2E
Satellite System : GPS
Serial Number : 3482
Firmware Version : 3.2.2
Elevation Cutoff Setting : 0 deg
Date Installed : 2009-02-05
Date Removed : 2009-03-11T07:10Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.9 Receiver Type : SEPT POLARX2E
Satellite System : GPS
Serial Number : 3482
Firmware Version : 3.2-devtst
Elevation Cutoff Setting : 0 deg
Date Installed : 2009-03-11T07:10Z
Date Removed : 2014-08-20T09:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.10 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001332
Firmware Version : 2.5-tst140430r40977
Elevation Cutoff Setting : 0 deg
Date Installed : 2014-08-20T10:00Z
Date Removed : 2015-09-11T12:25Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.11 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001332
Firmware Version : 2.9.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2015-09-11T12:25Z
Date Removed : 2016-10-19T07:45Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.12 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001332
Firmware Version : 2.9.5
Elevation Cutoff Setting : 0 deg
Date Installed : 2016-10-19T07:45Z
Date Removed : 2017-01-19T08:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.13 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001332
Firmware Version : 2.9.6
Elevation Cutoff Setting : 0 deg
Date Installed : 2017-01-19T10:00Z
Date Removed : 2018-11-09T08:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.14 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001332
Firmware Version : 2.9.6-patch2
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-11-09T08:31Z
Date Removed : 2020-07-27T12:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.15 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3009592
Firmware Version : 2.9.6-patch2
Elevation Cutoff Setting : 0 deg
Date Installed : 2020-08-04T09:00Z
Date Removed : 2021-01-19T07:45Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.16 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3069514
Firmware Version : 5.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2021-01-19T08:00Z
Date Removed : 2023-04-04T08:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.17 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3069514
Firmware Version : 5.5.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2023-04-04T09:00Z
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+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 : AOAD/M_T NONE
Serial Number : 292
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7540
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 23 m
Date Installed : 1994-01-06
Date Removed : 2000-01-25T14:30Z
Additional Information : (multiple lines)
4.2 Antenna Type : AOAD/M_T NONE
Serial Number : 327
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7540
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 23 m
Date Installed : 2000-01-25T14:31Z
Date Removed : 2002-03-07T11:30Z
Additional Information : (multiple lines)
4.3 Antenna Type : ASH701945C_M NONE
Serial Number : CR620015110
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7540
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 23 m
Date Installed : 2002-03-07T12:30Z
Date Removed : 2012-01-24T11:30Z
Additional Information : (multiple lines)
4.4 Antenna Type : ASH701945C_M NONE
Serial Number : CR620015110
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7540
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 20 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 26 m
Date Installed : 2012-01-24T11:30Z
Date Removed : 2015-09-11T11:50Z
Additional Information : (multiple lines)
4.5 Antenna Type : TRM59800.00 NONE
Serial Number : 5131354230
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7650
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 26 m
Date Installed : 2015-09-11T11:50Z
Date Removed : 2018-04-25T08:00Z
Additional Information : (multiple lines)
4.6 Antenna Type : TRM59800.00 NONE
Serial Number : 5131354230
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7650
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 26 m
Date Installed : 2018-04-25T08:00Z
Date Removed : 2018-06-01T08:00Z
Additional Information : removal of anti lightning connector
4.7 Antenna Type : TRM59800.00 NONE
Serial Number : 5131354230
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7650
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RGB233
Antenna Cable Length : 26 m
Date Installed : 2018-06-01T08:00Z
Date Removed : 2023-06-23T15:00Z
Additional Information : anti lightning connector added
4.8 Antenna Type : TRM59800.00 NONE
Serial Number : 5131354230
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7650
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : HUBER+SUHNER SPUMA_400-FR-01
Antenna Cable Length : 15 m
Date Installed : 2023-06-23T15:30Z
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
5.1 Tied Marker Name : ECCENTRIC POINT
Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 13112M002
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : -1.973 m
dy (m) : -4.167 m
dz (m) : -1.979 m
Accuracy (mm) : 1 mm
Survey method : Unknown
Date Measured : 1995-02-01
Additional Information : (multiple lines)
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 : 1994-01-06/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/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 Observatory of Belgium
Preferred Abbreviation : ROB
Mailing Address : Av. Circulaire 3
: 1180 Brussels
: Belgium
Primary Contact
Contact Name : GNSSatROB
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : gnss@oma.be
Secondary Contact
Contact Name : Ann Moyaert
Telephone (primary) : +32 2 373 02 01
Telephone (secondary) :
Fax : +32 2 374 98 22
E-mail : ann.moyaert@oma.be
Additional Information : (multiple lines)
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 : ROB
Secondary Data Center : BKG
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 : (multiple lines)
Antenna Graphics with Dimensions
ASH701945C_M
Dorne Margolin with chokerings, Model 701945-01 REV B
milled chokerings, watertight design
(replaces recalled SCIGN ASH700936E_C antenna)
+-------+
/ + \ <-- 0.1280 L2
| + | <-- 0.1100 L1
+-----------------+-------------+------------------+ <-- 0.1006 TCR
| |
| |
| |
| |
+-+--------------------------------------------------+-+ <-- 0.0376
+-------------------+-------------+--------------------+ <-- 0.0346 BCR
| |
| |
+------x------+ <-- 0.0 BPA=ARP
<-- 0.3890 -->
ARP: Antenna Reference Point
L1 : L1 Phase Center L2 : L2 Phase Center
TCR: Top of Chokering BCR: Bottom of Chokering
BPA: Bottom of Preamplifier
TRM59800.00
-----
/ \
| |
+-------------------------------------------------+ <-- 0.1020 TCR
| |
| |
| |
| |
+-+-------------------------------------------------+-+ <-- 0.0381
+-------------------+-------------+-------------------+ <-- 0.0350 BCR
| |
=| |
+------x------+ <-- 0.0000 BPA=ARP
RXC=NRP
<-- 0.3810 -->
