u-blox ANTARIS 4 User Manual

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your position is our focus
4.6.12 RAIM (Receiver Autonomous Integrity Monitoring)
isreceivingfromthe
s attheinformationusedinthenavigation solutionis valid.FourSVs arerequiredfora3D
n tion.Thepre badSVcould  tected
iffiveSVswereavailable.AbadSVcouldbe
iden from onifsixormore SVs De ctionandExclusion(FDE)).
T
 Technolog s RAIM and has the bility to enable/disable this feature using software
commands.
RAIMcanonlyworkwithsufficientSVvisibilityandacceptableDOPgeometry.RAIMisactivatedbydefaultand
e.
ThestatusoftheRAIMsystemisreportedin
theNMEA–GPGBS(GNSSSatelliteFaultDetection)message.
RAIMisaprocesswheretheGPSunititselfusesvarioustechniquestomonitorthesignalsit
atellites,ensuringth
avigationsolu senceofone
ti
be

de
tifiedandeliminated thesolu areavailable(Fault te
he ANTARIS
®
4 y support a

itisrecommendedtoenableitallthetim
GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) ReceiverDescription
GPS.G4-MS4-05007-A1
  Page 108

u-blox ANTARIS 4 Specifications

General

Receiver Type	GPS
Frequency	L1, 1575.42 MHz
Channels	12
Update Rate	1 Hz
Reacquisition	1 s
Operating Temperature	-40°C to +85°C
Supply Voltage	3.0V to 3.6V
Interface	UART, SPI
Position Accuracy	2.5 m CEP