u-blox ANTARIS 4 - Page 107


your position is our focus
4.6.11.2 SBAS Configuration
onfig) – SBAS (SBAS
C e.
To configure the SBAS functionalities use the UBX proprietary message UBX – CFG (C
onfiguration)messag
Parameter Description
SBAS Subs
Enablesordisa te
ystem
blestheSBASsubsys m
Mode
Allow test mode usage
0)
Allow/Disallo SBASusagefromsatellitesinTestMode
(Message0)
(Msg
w
Ranging
UsetheSBASsatellitesfornavigation
Apply SBAS correction
data
Combinedenable/disableswitchforFast-,Long-Termand
IonosphereCorrections
Services/
Apply integrity
information
Useintegritydata
Usage
Number of search channels
SetsonhowmanychannelsSBASsatellitesaresearchedinparallel.
SBASsatellites,whicharealreadyreceived,donotcountforthe
maximum.
PRN Mask
Allowstoselectivelyenable/disableSBASsatellite.Withthis
parameter,forexample,onecanrestrictSBASusagetoWAAS-
only
Table 39: SBAS parameters
e SBAS search channel and it will use any received SBAS satellites for
4.6.11.3 SBAS Status Information
By default SBAS is enabled with on
navigation.
Parameter Description
GEO/ ID
SBASGEOwhichisusedforreceivingcorrectiondataisshown(thisGEOis
aticallychosen nd canchangedependingonsignalconditionsand
efromtherec iver’s
autom
distanc
a
e

location)
System
SBASSystem,whichisb on (WAAS,EGNOS,etc.)eingusedforcorrecti data
Mode
Indicatesthemodeofth trackedSBASsatellite(Disable,Testmode,
Operational)
e
For each received GNSS
• The
signal (GPS and SBAS)
SVNumber
• UDRE;monitoringstatusasdefinedinDO-229C
• WhetherornotfastcorrectionsareusedforthisSV.ThePRCvaluein
metersisgiven
• WhetherornotIonospherecorrectionsareusedforthisSV.Theslant
PRCdelayisgiveninmeters.
• WhetherornotLongtermcorrectionsareusedforthisSV
• WhetherornotIntegrityDataisusedforthisSV
• TheGNSSsystemforthisSV(currentlylimitedtoGPSorSBAS)
• TheServicesandStatusprovidedbythisSV.Canbeacombinationof
‘Ranging’,‘CorrectionData’,‘IntegrityInformation’and‘Testmode’.
 GPS does not monitor SBAS correction data. That message is used for
monitoringRTCM-input,only!
! The ANTARIS
®
4 SBAS implementation is not certified, nor is it planned to get certification for
avionics. ANTARIS
®
4 GPS receivers shall not – under any circumstances – be used for safety-of-life
applicationsoravionicsnavigation.
Note The Message UBX-NAV-D
Warning
GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) ReceiverDescription
GPS.G4-MS4-05007-A1
  Page 107