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