BRUX00BEL 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 : 2023-01-24
Report Type : UPDATE
If Update:
Previous Site Log : brux00bel_20221018.log
Modified/Added Sections : 6.14, 6.15, 6.16
1. Site Identification of the GNSS Monument
Site Name : Brussels
Nine Character ID : BRUX00BEL
Monument Inscription :
IERS DOMES Number : 13101M010
CDP Number : (A4)
Monument Description : STEEL MAST
Height of the Monument : 8 m
Monument Foundation : CONCRETE BLOCK
Foundation Depth : 3 m
Marker Description : CENTER OF HOLE IN STEEL PLATE
Date Installed : 2006-07-07
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 : Brussels
State or Province : Brabant
Country or Region : BEL
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4027881.628
Y coordinate (m) : 306998.537
Z coordinate (m) : 4919498.984
Latitude (N is +) : +504753.03
Longitude (E is +) : +0042130.83
Elevation (m,ellips.) : 158.3
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : SEPT POLARX2
Satellite System : GPS
Serial Number : 1436
Firmware Version : 2.6.2
Elevation Cutoff Setting : 0 deg
Date Installed : 2006-07-07
Date Removed : 2008-02-14T09:00Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : hardware replacement of receiver
: with SN 1128, same receiver, but
: different serial number (now 1436)
3.2 Receiver Type : ASHTECH Z-XII3T
Satellite System : GPS
Serial Number : RT820015201
Firmware Version : 1L01-1D04
Elevation Cutoff Setting : 0 deg
Date Installed : 2008-02-15T08:00Z
Date Removed : 2010-06-28T13:55Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.3 Receiver Type : SEPT POLARX3ETR
Satellite System : GPS+GLO
Serial Number : 2001060
Firmware Version : 1.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2010-06-28T13:55Z
Date Removed : 2012-01-31T13:00Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : (multiple lines)
3.4 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL
Serial Number : 3001376
Firmware Version : 2.3.3
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-01-31T14:00Z
Date Removed : 2012-03-05T14:00Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : The receiver delay 1PPS in to 1PPS out was
: measured to be 145 ns.
3.5 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL
Serial Number : 3001376
Firmware Version : 2.3-tst120216r34012
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-03-05T16:00Z
Date Removed : 2012-09-24T11:00Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : The receiver delay 1PPS in to 1PPS out was
: measured to be 142.8 ns.
3.6 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL
Serial Number : 3001376
Firmware Version : 2.3.4
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-09-24T11:45Z
Date Removed : 2013-02-04T12:40Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : The receiver delay 1PPS in to 1PPS out was
: measured to be 142.8 ns.
3.7 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.3.4
Elevation Cutoff Setting : 0 deg
Date Installed : 2013-02-04T13:55Z
Date Removed : 2014-03-17T10:10Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : The receiver delay 1PPS in to 1PPS out is
: supposed to be unchanged (142.8 ns).
3.8 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.5.2
Elevation Cutoff Setting : 0 deg
Date Installed : 2014-03-17T10:40Z
Date Removed : 2015-09-07T14:45Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : The receiver delay 1PPS in to 1PPS out was
: remeasured and found to be unchanged (142.8 ns).
3.9 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.9.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2015-09-07T14:50Z
Date Removed : 2016-10-24T09:00Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : (multiple lines)
3.10 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.9.5
Elevation Cutoff Setting : 0 deg
Date Installed : 2016-10-24T09:00Z
Date Removed : 2017-01-03T12:15Z
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : (multiple lines)
3.11 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.9.6
Elevation Cutoff Setting : 0 deg
Date Installed : 2017-01-03T12:15Z
Date Removed : 2017-03-20
Temperature Stabiliz. : 18.0 +/- 0.2
Additional Information : (multiple lines)
3.12 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.9.6
Elevation Cutoff Setting : 0 deg
Date Installed : 2017-03-20
Date Removed : 2018-11-12T08:30Z
Temperature Stabiliz. : 20.1 +/- 0.2
Additional Information : (multiple lines)
3.13 Receiver Type : SEPT POLARX4TR
Satellite System : GPS+GLO+GAL+BDS
Serial Number : 3001376
Firmware Version : 2.9.6-extref3
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-11-12T08:31Z
Date Removed : 2020-02-25T13:15Z
Temperature Stabiliz. : 20.1 +/- 0.2
Additional Information : (multiple lines)
3.14 Receiver Type : SEPT POLARX5TR
Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
Serial Number : 3057609
Firmware Version : 5.3.2
Elevation Cutoff Setting : 0 deg
Date Installed : 2020-02-25T13:30Z
Date Removed : 2021-02-04T09:30Z
Temperature Stabiliz. : 20.1 +/- 0.2
Additional Information : (multiple lines)
3.15 Receiver Type : SEPT POLARX5TR
Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
Serial Number : 3057609
Firmware Version : 5.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2021-02-04T09:40Z
Date Removed : 2022-10-10T11:00Z
Temperature Stabiliz. : 20.1 +/- 0.2
Additional Information : (multiple lines)
3.16 Receiver Type : SEPT POLARX5TR
Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
Serial Number : 3057609
Firmware Version : 5.5.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2022-10-10T12:10Z
Date Removed : 2022-10-11T08:00Z
Temperature Stabiliz. : 20.1 +/- 0.2
Additional Information : (multiple lines)
3.17 Receiver Type : SEPT POLARX5TR
Satellite System : GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS
Serial Number : 3057609
Firmware Version : 5.5.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2022-10-11T08:00Z
Date Removed : CCYY-MM-DDThh:mmZ
Temperature Stabiliz. : 21.8 +/- 0.2
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 : ASH701945E_M NONE
Serial Number : CR620023301
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1266
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2006-07-07
Date Removed : 2008-03-19T08:45Z
Additional Information : (multiple lines)
4.2 Antenna Type : ASH701945C_M NONE
Serial Number : CR620002301
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1266
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2008-03-19T09:00Z
Date Removed : 2008-06-17T09:00Z
Additional Information : (multiple lines)
4.3 Antenna Type : ASH701945C_M NONE
Serial Number : CR620002301
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1286
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2008-06-17T09:00Z
Date Removed : 2008-09-02T13:00Z
Additional Information : Testing of ECCOSORB ANW-79 around antenna in
: order to obtain low reflectivity. Adaptation
: antenna height by + 2 mm due to a mounting
: plate which holds the ECCOSORB material under
: the antenna.
4.4 Antenna Type : ASH701945C_M NONE
Serial Number : CR620002301
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1266
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2008-09-02T13:00Z
Date Removed : 2008-09-22T09:00Z
Additional Information : Testing without plate and ECOSORB
4.5 Antenna Type : TRM55971.00 NONE
Serial Number : 30765568
Antenna Reference Point : BAM
Marker->ARP Up Ecc. (m) : 0.1266
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2008-09-22T09:00Z
Date Removed : 2008-10-02T09:30Z
Additional Information : Testing new antenna (Antartica)
4.6 Antenna Type : TRM55971.00 TZGD
Serial Number : 30765568
Antenna Reference Point : BAM
Marker->ARP Up Ecc. (m) : 0.1266
Marker->ARP North Ecc(m) : 0.0010
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : TZGD
Radome Serial Number :
Antenna Cable Type : ANDREW heliax LDF2-50A
Antenna Cable Length : 60 m
Date Installed : 2008-10-02T09:30Z
Date Removed : 2008-10-20T06:30Z
Additional Information : Testing new antenna (Antartica)
4.7 Antenna Type : ASH701945C_M NONE
Serial Number : CR620002301
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1266
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2008-10-20T06:30Z
Date Removed : 2011-03-07T08:30Z
Additional Information : (multiple lines)
4.8 Antenna Type : JAVRINGANT_DM NONE
Serial Number : 00464
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.4689
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2011-03-07T12:00Z
Date Removed : 2018-02-01T08:15Z
Additional Information : To shield the antenna from reflections on the
: dome below it, a 0.8x0.8 m^2 metal shield was
: installed with Eccosorb ANW-77 on top. The
: spacing between the ARP and the top of the
: Eccosorb ANW-77 is 17.8 cm.
: On 2015-12-09, the Eccosorb was replaced by a
: new more resistant version.
4.9 Antenna Type : JAVRINGANT_DM NONE
Serial Number : 00464
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.4689
Marker->ARP North Ecc(m) : 0.0010
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 : 60 m
Date Installed : 2018-02-01T08:15Z
Date Removed : 2021-04-20T07:35Z
Additional Information : To shield the antenna from reflections on the
: dome below it, a 0.8x0.8 m^2 metal shield was
: installed with Eccosorb ANW-77 on top. The
: spacing between the ARP and the top of the
: Eccosorb ANW-77 is 17.8 cm.
: On 2015-12-09, the Eccosorb was replaced by a
: new more resistant version.
: Surge protection device, dly: L2 553, L1 525 ps.
4.10 Antenna Type : JAVRINGANT_DM SCIS
Serial Number : 00464
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.4689
Marker->ARP North Ecc(m) : 0.0010
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : SCIS
Radome Serial Number : 0612
Antenna Cable Type : ANDREW heliax LDF2-50A
Antenna Cable Length : 60 m
Date Installed : 2021-04-20T08:33Z
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 : BRUS
Tied Marker Usage : IGS and EPN station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 13101M004
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 12.161 m
dy (m) : 47.330 m
dz (m) : -23.744 m
Accuracy (mm) : 1 mm
Survey method : GPS CAMPAIGN
Date Measured : 2011-07-07
Additional Information : L1 analysis covering period
: 2011-05-16 to 2011-07-22.
: An L3 analysis over the same period
: provides (12.161;47.329;-23.745).
: GPS data analysis was done using igs08.atx
: calibrations for BRUS and indiv.calib.
: for BRUX (from University of Bonn and TU
: Darmstadt).
5.2 Tied Marker Name : BRUS
Tied Marker Usage : IGS and EPN station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 13101M004
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 12.162 m
dy (m) : 47.331 m
dz (m) : -23.745 m
Accuracy (mm) : 1 mm
Survey method : GPS CAMPAIGN
Date Measured : 2011-11-02
Additional Information : L1 analysis covering period
: 2011-007-23 to 2012-02-12.
: An L3 analysis over the same period
: provides (12.166;47.334;-23.748).
: Differences between 5.2 and 5.3 are caused
: by an unexplained coordinate jump at BRUS
: at 2011-07-22.
: GPS data analysis was done using igs08.atx
: calibrations for BRUS and indiv.calib.
: for BRUX (from University of Bonn and TU
: Darmstadt).
5.3 Tied Marker Name : BRUS
Tied Marker Usage : IGS and EPN station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 13101M004
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 12.164 m
dy (m) : 47.324 m
dz (m) : -23.739 m
Accuracy (mm) : 3 mm
Survey method : TRIANGULATION
Date Measured : 2012-03-23
Additional Information : accuracy = 1 sigma
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 H-MASER
Input Frequency : 10 MHz
Effective Dates : 2006-07-07/2010-12-21
Notes : (multiple lines)
6.2 Standard Type : INTERNAL
Input Frequency : (if external)
Effective Dates : 2010-12-22/2011-03-23
Notes : (multiple lines)
6.3 Standard Type : EXTERNAL CESIUM
Input Frequency : 10 MHz
Effective Dates : 2011-03-23/2011-12-19
Notes : At 12h UTC, 13h local time, on 2011-03-23 the
: receiver was stopped, recabeled with an external
: reference (namely UTC(ROB), derived from a
: HP5071A), and restarted.
6.4 Standard Type : EXTERNAL CH1-75A MASER
Input Frequency : 10 MHz
Effective Dates : 2011-12-19/2012-02-27
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.
6.5 Standard Type : EXTERNAL CESIUM
Input Frequency : 10 MHz
Effective Dates : 2012-02-27/2012-03-01
Notes : The 10MHz output of the Symmetricom 5071A (ces1)
: 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.
6.6 Standard Type : EXTERNAL CH1-75A MASER
Input Frequency : 10 MHz
Effective Dates : 2012-03-01/2013-07-09
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.
6.7 Standard Type : EXTERNAL 5071A CESIUM
Input Frequency : 10 MHz
Effective Dates : 2013-07-09/2015-06-03
Notes : The 10MHz of the Symmetricom 5071A (cesium2) 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.
6.8 Standard Type : EXTERNAL CH1-75A MASER
Input Frequency : 10 MHz
Effective Dates : 2015-06-03/2016-11-07
Notes : The 5MHz output of the CH1-75A (maser3) passes
: an amplifier HP5087A 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.
6.9 Standard Type : EXTERNAL 5071A CESIUM
Input Frequency : 10 MHz
Effective Dates : 2016-11-07/2016-11-17
Notes : The 5MHz output of the CESIUM 5071A (ces3)
: passes an amplifier HP5087A 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.
6.10 Standard Type : EXTERNAL CH1-75A MASER
Input Frequency : 10 MHz
Effective Dates : 2016-11-17/2018-02-01
Notes : The 5MHz output of the CH1-75A (maser3) passes
: an amplifier HP5087A 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.
6.11 Standard Type : EXTERNAL CH1-75A MASER
Input Frequency : 10 MHz
Effective Dates : 2018-02-01/2022-02-15
Notes : The 5MHz output of the CH1-75A (maser3) passes
: an amplifier HP5087A 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.
: REFDLY = 157.5 ns.
6.12 Standard Type : EXTERNAL IMASER 3000
Input Frequency : 10 MHz
Effective Dates : 2022-02-15/2022-08-16
Notes : The 10MHz output of the IMASER 3000 (maser4) 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.
6.13 Standard Type : EXTERNAL CESIUM
Input Frequency : 10 MHz
Effective Dates : 2022-08-16/2022-10-10
Notes : The 10MHz output of an HP5071A is used as input
: to a SpectraTime femtoStepper for the steering
: on UTC. The output of this phase stepper (equal
: to UTC(ORB)) is used as an input to the
: receiver.
6.14 Standard Type : EXTERNAL IMASER 3000
Input Frequency : 10 MHz
Effective Dates : 2022-10-10/2023-01-23
Notes : The 10MHz output of the IMASER 3000 (maser4) 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.
6.15 Standard Type : EXTERNAL CESIUM
Input Frequency : 10 MHz
Effective Dates : 2023-01-23/2023-01-23
Notes : The 10MHz output of an HP5071A is used as input
: to a SpectraTime femtoStepper for the steering
: on UTC. The output of this phase stepper (equal
: to UTC(ORB)) is used as an input to the
: receiver.
6.16 Standard Type : EXTERNAL IMASER 3000
Input Frequency : 10 MHz
Effective Dates : 2023-01-23/CCYY-MM-DD
Notes : The 10MHz output of the IMASER 3000 (maser4) 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.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 :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
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
JAVRINGANT_DM
---------
/ \
| |
+-------------------------------------------------+ <-- 0.1015 TCR
| |
| |
| |
| |
+-+-------------------------------------------------+-+ <-- 0.0379
+-------------------+-------------+-------------------+ <-- 0.0345 BCR
| |
| |
+------x------+ <-- 0.0000 BPA=ARP
<-- 0.3800 -->
ARP: Antenna Reference Point
L1 : L1 Phase Center L2 : L2 Phase Center
TCR: Top of Chokering BCR: Bottom of Chokering
BPA: Bottom of Preamplifier
All dimensions are in meters.
