BRUS00BEL 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 : 2023-03-10
Report Type : UPDATE
If Update:
Previous Site Log : brus00bel_20200604.log
Modified/Added Sections : 11
1. Site Identification of the GNSS Monument
Site Name : Brussels
Four Character ID : BRUS
Monument Inscription :
IERS DOMES Number : 13101M004
CDP Number : (A4)
Monument Description : STEEL MAST
Height of the Monument : 5 m
Monument Foundation : CONCRETE BLOCK
Foundation Depth : 3 m
Marker Description : BRASS NAIL
Date Installed : 1993-10-20
Geologic Characteristic : SAND
Bedrock Type : SEDIMENTARY
Bedrock Condition : FRESH
Fracture Spacing : 0 cm
Fault zones nearby : NO
Distance/activity : (multiple lines)
Additional Information : Station located at old astrolab observ. dome.
: On 2012-02-14, BRUS has been decommissioned
: because the antenna monument was destroyed due
: the need to remove asbestos in the building
: around the antenna. The station BRUX, located
: about 100 m from BRUS, is included in the EPN
: and IGS network, as replacement.
2. Site Location Information
City or Town : Brussels
State or Province : Brabant
Country : Belgium
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4027893.860
Y coordinate (m) : 307045.710
Z coordinate (m) : 4919475.030
Latitude (N is +) : +504752.14
Longitude (E is +) : +0042133.18
Elevation (m,ellips.) : 149.7
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-174
Firmware Version : 2.8
Elevation Cutoff Setting : 0 deg
Date Installed : 1993-10-20
Date Removed : 1994-04-24
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.2 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-171
Firmware Version : 2.8
Elevation Cutoff Setting : 0 deg
Date Installed : 1994-04-24
Date Removed : 1995-09-30
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.3 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-321
Firmware Version : 2.8
Elevation Cutoff Setting : 0 deg
Date Installed : 1995-09-30
Date Removed : 1997-01-14
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.4 Receiver Type : ROGUE SNR-12 RM
Satellite System : GPS
Serial Number : 251
Firmware Version : 3.2.32.4
Elevation Cutoff Setting : 0 deg
Date Installed : 1997-01-14
Date Removed : 1999-03-29T06:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.5 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-321
Firmware Version : 3.2.32.1
Elevation Cutoff Setting : 0 deg
Date Installed : 1999-03-29T06:30Z
Date Removed : 1999-05-25
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.6 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-321
Firmware Version : 3.2.32.9
Elevation Cutoff Setting : 0 deg
Date Installed : 1999-05-25
Date Removed : 1999-09-20T06:30Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.7 Receiver Type : AOA SNR-12 ACT
Satellite System : GPS
Serial Number : 251-U
Firmware Version : 3.3.32.2
Elevation Cutoff Setting : 0 deg
Date Installed : 1999-09-20T06:30Z
Date Removed : 2000-01-27T06:00Z
Temperature Stabiliz. : 18.0 +/- 0.5
Additional Information : Simultaneously with the receiver change the
: RG-223 antenna cable was replaced by a 85 m
: heliax LDF2-50A cable from Andrew Cooperation.
: This new cable has a loss of 1.05DB per 30 m.
3.8 Receiver Type : ROGUE SNR-8000
Satellite System : GPS
Serial Number : T-413
Firmware Version : 3.2.32.9
Elevation Cutoff Setting : 0 deg
Date Installed : 2000-01-27T06:01Z
Date Removed : 2000-03-27T11:15Z
Temperature Stabiliz. : 18.0 +/- 0.5
Additional Information : (multiple lines)
3.9 Receiver Type : ASHTECH UZ-12
Satellite System : GPS
Serial Number : UX219994206
Firmware Version : UF00
Elevation Cutoff Setting : 0 deg
Date Installed : 2000-03-27T12:00Z
Date Removed : 2001-03-20T12:30Z
Temperature Stabiliz. : 18.0 +/- 0.5
Additional Information : (multiple lines)
3.10 Receiver Type : ASHTECH Z-XII3T
Satellite System : GPS
Serial Number : RT919994505
Firmware Version : 1L01-1D04
Elevation Cutoff Setting : 0 deg
Date Installed : 2001-03-20T13:00Z
Date Removed : 2012-02-14T07:35Z
Temperature Stabiliz. : 18.0 +/- 0.5
Additional Information : - Up to 27/01/2003 the filled in Firmware
: Version was not correct (UF00)
: - 2003-03-18T08:09Z Deactivation of smoothing
: in conversion from raw data to RINEX
: (XYZAshRx program) on request of IGS CB
: - 2012-02-14T07:35Z Site dismantled due to the
: removal of asbestos in the building around the
: antenna pillar.
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 : 182
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 3.9702
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 : 30 m
Date Installed : 1993-10-20
Date Removed : 2000-04-27T12:10Z
Additional Information : (multiple lines)
4.2 Antenna Type : ASH701945B_M NONE
Serial Number : CR519994604
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 3.9702
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 : ANDREW heliax LDF2-50A
Antenna Cable Length : 85 m
Date Installed : 2000-04-27T12:15Z
Date Removed : 2012-02-14T07:35Z
Additional Information : Site dismantled due to the removal of asbestos
: in
: the building around the antenna pillar.
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 : GPS Chimney
Tied Marker Usage : EUREF89
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 13101M003
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 65.256 m
dy (m) : 31.520 m
dz (m) : -65.110 m
Accuracy (mm) : 1 mm
Survey method : GPS CAMPAIGN
Date Measured : 1995-03-15
Additional Information : this point is the EUREF 0045 marker
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 : EXTERNAL CESIUM
Input Frequency : 5 MHz
Effective Dates : 1994-04-27/1994-08-23
Notes : (multiple lines)
6.2 Standard Type : EXTERNAL H-MASER
Input Frequency : 5 MHz
Effective Dates : 1994-08-23/2001-03-19
Notes : (multiple lines)
6.3 Standard Type : EXTERNAL H-MASER
Input Frequency : 20 MHz
Effective Dates : 2001-03-20/2003-07-03
Notes : (multiple lines)
6.4 Standard Type : EXTERNAL CESIUM
Input Frequency : 20 MHz
Effective Dates : 2003-07-03/2003-08-01
Notes : step of 6.15 ns in the antenna cable
: between 2003-07-03 and 2003-07-10
6.5 Standard Type : EXTERNAL H-MASER CH1-75
Input Frequency : 20 MHz
Effective Dates : 2003-08-01/2010-03-31
Notes : CH1-75 active H-maser.
: It is the source of UTC(ORB).
: UTC(ORB)-BRUS_1PPS (cable delay +
: delay from 1PPS_in to internal reference)
: = 48.6 ns
: 10MHz from distr. amp. HP5087A,
: then frequency doubler up to 20MHz.
6.6 Standard Type : EXTERNAL H-MASER CH1-75A
Input Frequency : 20 MHz
Effective Dates : 2010-03-31/2010-11-05
Notes : CH1-75A active H-maser.
: It is the source of UTC(ORB).
: UTC(ORB)-BRUS_1PPS (cable delay + delay from
: 1PPS_in to internal reference)
: = 47.6 ns
: 10MHz from distr. amp. HP5087A,
: then frequency doubler up to 20MHz.
6.7 Standard Type : EXTERNAL CESIUM
Input Frequency : 20 MHz
Effective Dates : 2010-11-05/2011-12-19
Notes : (multiple lines)
6.8 Standard Type : EXTERNAL CH1-75A MASER
Input Frequency : 20 MHz
Effective Dates : 2011-12-19/CCYY-MM-DD
Notes : The 5MHz output of the CH1-75A (maser3) passes a
: Minicircuits FD-2+ frequency doubler and then is
: used as input to a SpectraTime femtoStepper. The
: output of this phase stepper (equal to UTC(ORB))
: is used as an input to the receiver.
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 : CRYOGENIC GRAVIMETER
Status : PERMANENT
Effective Dates : 1993-10-20/2000-08-21
Notes : (multiple lines)
7.2 Instrumentation Type : SEISMOMETER
Status : PERMANENT
Effective Dates : 1993-10-20/CCYY-MM-DD
Notes : (multiple lines)
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
8.1.1 Humidity Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 69855
Data Sampling Interval : 60 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : -4 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1998-11-15/2000-07-19
Notes : Meteo sonde delivered unreliable data
: at the end.
: Height diff 2 ant with respect to marker
8.1.2 Humidity Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 70804
Data Sampling Interval : 60 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : -4 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2000-07-20/2001-02-19
Notes : Height diff 2 ant with respect to marker
8.1.3 Humidity Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 70804
Data Sampling Interval : 60 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : -3.84 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-02-19/2003-09-08
Notes : Height diff 2 ant with respect to marker
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)
8.2.1 Pressure Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 69855
Data Sampling Interval : 60 sec
Accuracy : 0.5 hPa
Height Diff to Ant : -4 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1998-11-15/2000-07-19
Notes : Meteo sonde delivered unreliable data
: at the end.
: Height diff 2 ant with respect to marker
8.2.2 Pressure Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 70804
Data Sampling Interval : 60 sec
Accuracy : 0.5 hPa
Height Diff to Ant : -4 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2000-07-20/2001-02-19
Notes : Height diff 2 ant with respect to marker
8.2.3 Pressure Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 70804
Data Sampling Interval : 60 sec
Accuracy : 0.5 hPa
Height Diff to Ant : -3.83 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-02-19/2003-09-08
Notes : Height diff 2 ant with respect to marker
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)
8.3.1 Temp. Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 69855
Data Sampling Interval : 60 sec
Accuracy : 0.5 deg C
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : -4 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 1998-11-15/2000-07-19
Notes : Meteo sonde delivered unreliable data
: at the end.
: Height diff 2 ant with respect to marker
8.3.2 Temp. Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 70804
Data Sampling Interval : 60 sec
Accuracy : 0.5 deg C
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : -4 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2000-07-20/2001-02-19
Notes : Meteo sonde delivered unreliable data
: at the end.
: Height diff 2 ant with respect to marker
8.3.3 Temp. Sensor Model : PAROSCIENTIFIC MET3
Manufacturer : PAROSCIENTIFIC
Serial Number : 70804
Data Sampling Interval : 60 sec
Accuracy : 0.5 deg C
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : -3.83 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-02-19/2003-09-08
Notes : Height diff 2 ant with respect to marker
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)
8.4.1 Water Vapor Radiometer : Generation 3 ETH ZURICH and CAPTEC
Manufacturer : ETH ZURICH and CAPTEC
Serial Number : WVR-III-BR-A-112000-FE
Distance to Antenna : 97 m
Height Diff to Ant : 7 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-01-24/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)
8.5.1 Other Instrumentation : Meteorological radiosonde station
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 : TREES
Effective Dates : 1993-10-20/2004-12-05
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 : 2004-11-28/2004-12-05
Event : TREE CLEARING
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 : Pascale Defraigne
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : pascale.defraigne@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
ASH701945B_M
Dorne Margolin with chokerings, Model 701945-01 REV B
milled chokerings, watertight design
+-------+
/ + <-- 0.1280 L2
| + | <-- 0.1100 L1
+-----------------+-------------+------------------+ <-- 0.1006 TCR
| |
| |
| |
| |
+-+--------------------------------------------------+-+ <-- 0.0376
+-------------------+-------------+--------------------+ <-- 0.0346 BCR
| |
| |
+------x------+ <-- 0.0 BPA=ARP
<-- 0.3794 -->
ARP: Antenna Reference Point
L1 : L1 Phase Center L2 : L2 Phase Center
