DOUR00BEL 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) : GNSSatROB (gnss@oma.be)
Date Prepared : 2024-04-09
Report Type : UPDATE
If Update:
Previous Site Log : dour00bel_20221109.log
Modified/Added Sections : 4.3, 4.4, 10.1
1. Site Identification of the GNSS Monument
Site Name : Dourbes
Nine Character ID : DOUR00BEL
Monument Inscription : NONE
IERS DOMES Number : 13113M001
CDP Number : (A4)
Monument Description : STEEL MAST
Height of the Monument : 9 m
Monument Foundation : CONCRETE BLOCK
Foundation Depth : 3 m
Marker Description : BRASS NAIL
Date Installed : 1994-01-11
Geologic Characteristic : BEDROCK
Bedrock Type : SEDIMENTARY
Bedrock Condition : JOINTED
Fracture Spacing : 1-10 cm
Fault zones nearby : NO
Distance/activity : (multiple lines)
Additional Information : (multiple lines)
2. Site Location Information
City or Town : Dourbes
State or Province : Hainaut
Country or Region : BEL
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4086778.260
Y coordinate (m) : 328451.860
Z coordinate (m) : 4869782.540
Latitude (N is +) : +500541.55
Longitude (E is +) : +0043541.82
Elevation (m,ellips.) : 282.7
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-171
Firmware Version : 2.8
Elevation Cutoff Setting : 0 deg
Date Installed : 1994-01-11
Date Removed : 1994-04-26
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 : 2.8
Elevation Cutoff Setting : 0 deg
Date Installed : 1994-06-29
Date Removed : 1996-03-31
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.3 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-174
Firmware Version : 3.2
Elevation Cutoff Setting : 0 deg
Date Installed : 1996-04-01
Date Removed : 1999-05-19
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.4 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-174
Firmware Version : 3.2.32.9
Elevation Cutoff Setting : 0 deg
Date Installed : 1999-05-19
Date Removed : 2001-10-18T10:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.5 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : ZR200111111
Firmware Version : UFB5-OA16
Elevation Cutoff Setting : 0 deg
Date Installed : 2001-10-18T11:00Z
Date Removed : 2004-07-08T09:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.6 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : ZR200111111
Firmware Version : ZC00-OA16
Elevation Cutoff Setting : 0 deg
Date Installed : 2004-07-08T09:00Z
Date Removed : 2005-04-14T09:45Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.7 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : ZR220023809
Firmware Version : CJ00-OA16
Elevation Cutoff Setting : 0 deg
Date Installed : 2005-04-14T09:47Z
Date Removed : 2008-10-23T11:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.8 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : ZR220013841
Firmware Version : CQ00-1A01
Elevation Cutoff Setting : 0 deg
Date Installed : 2008-10-23T11:00Z
Date Removed : 2014-08-18T11:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.9 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001141
Firmware Version : 2.5-tst140430r40977
Elevation Cutoff Setting : 0 deg
Date Installed : 2014-08-18T13:00Z
Date Removed : 2015-07-07T14:05Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.10 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001141
Firmware Version : 2.9.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2015-07-07T14:05Z
Date Removed : 2016-11-08T09:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.11 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001141
Firmware Version : 2.9.5
Elevation Cutoff Setting : 0 deg
Date Installed : 2016-11-08T10:00Z
Date Removed : 2017-04-04T08:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.12 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001141
Firmware Version : 2.9.6
Elevation Cutoff Setting : 0 deg
Date Installed : 2017-04-04T09:00Z
Date Removed : 2018-11-12T08:35Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.13 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001141
Firmware Version : 2.9.6-patch2
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-11-12T08:35Z
Date Removed : 2019-09-09T09:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.14 Receiver Type : SEPT POLARX4
Satellite System : GPS+GLO+GAL
Serial Number : 3001319
Firmware Version : 2.9.6-patch2
Elevation Cutoff Setting : 0 deg
Date Installed : 2019-09-09T09:15Z
Date Removed : 2021-02-01T11:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.15 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3069566
Firmware Version : 5.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2021-02-01T12:00Z
Date Removed : 2022-11-08T12:45Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.16 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3069566
Firmware Version : 5.5.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2022-11-08T12:45Z
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 : 183
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7530
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 : RG-223
Antenna Cable Length : 23 m
Date Installed : 1994-01-11
Date Removed : 2001-10-18T10:00Z
Additional Information : (multiple lines)
4.2 Antenna Type : ASH701945C_M NONE
Serial Number : CR620011301
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7530
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 55 deg
Antenna Radome Type : NONE
Radome Serial Number :
Antenna Cable Type : RG-223
Antenna Cable Length : 23 m
Date Installed : 2001-10-18T11:00Z
Date Removed : 2015-03-02T11:00Z
Additional Information : (multiple lines)
4.3 Antenna Type : LEIAR25.R3 NONE
Serial Number : 09300021
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7619
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 : RG-223
Antenna Cable Length : 23 m
Date Installed : 2015-03-02T13:20Z
Date Removed : 2024-04-09T09:00Z
Additional Information : Antenna was cleaned on 2024-04-09
4.4 Antenna Type : LEIAR25.R3 NONE
Serial Number : 09300021
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.7619
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 : RG-223
Antenna Cable Length : 23 m
Date Installed : 2024-04-09T10:00Z
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 : LOCAL CONTROL
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 13113M002
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : -0.162 m
dy (m) : -4.943 m
dz (m) : -0.454 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 : 1994-01-11/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
7.1 Instrumentation Type : SEISMOMETER
Status : PERMANENT
Effective Dates : 1994-01-11/CCYY-MM-DD
Notes : (multiple lines)
7.2 Instrumentation Type : ABSOLUTE GRAVITY
Status : MOBILE
Effective Dates : 1998-11-20/1998-11-24
Notes : 981018151.2+/-1.399 microGal
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
10.1 Date : 2024-04-09/CCYY-MM-DD
Event : Antenna was cleaned
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
LEIAR25.R3
LEIAR25.R4
+-------+ <-- 0.1995
/ \
+---+-------------+---+ <-- 0.1606 TCR
| |
|---------------------------|
|---------------------------------|
|---------------------------------------|
+---------------------------------------------+
| |
| |
+-+---------------------------------------------+-+
+-----------------+-------------+-----------------+ <-- 0.0320 BCR
| |
| |
+------x------+ <-- 0.0000 BPA=ARP
(5/8' thread might
differ from BPA!)
<-- 0.3802 --> NOM=NRP
ARP: Antenna Reference Point
L1 : L1 Phase Center L2 : L2 Phase Center
TCR: Top of Chokering BCR: Bottom of Chokering
BPA: Bottom of Preamplifier