Raymarine E70372 - Page 24

1.
ThislocationprovidesoptimalGPSperformance(abovedecks).
2. Inthislocation,GPSperformancemaybelesseffective.
3. ThislocationisNOTrecommendedforGPSantenna.
V esselconstruction
TheconstructionofyourvesselcanhaveanimpactonGPSperformance.Forexample,theproximity
ofheavystructuressuchasastructuralbulkhead,ortheinterioroflargervesselsmayresultin
areducedGPSsignal.Theconstructionmaterialscanalsohaveanimpact.Inparticular,steel,
aluminiumorcarbonsurfacescanimpactGPSperformance.Beforelocatingequipmentwithan
internalGPSantennabelowdecks,oronasteel,aluminiumorcarbonconstructionvesselorsurface,
seekprofessionalassistance.
Prevailingconditions
TheweatherandlocationofthevesselcanaffecttheGPSperformance.Typicallycalmclear
conditionsprovideforamoreaccurateGPSfix.Vesselsatextremenortherlyorsoutherlylatitudes
mayalsoreceiveaweakerGPSsignal.GPSantennamountedbelowdeckswillbemoresusceptible
toperformanceissuesrelatedtotheprevailingconditions.
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