Kongsberg DPS 232 - Location of System Parts; GNSS Antenna

KongsbergDPS232
4.2Locationofsystemparts
Thefollowingsectionscontaininstructionsregardinglocationofthevarioussystem
parts.
4.2.1GNSSantenna
ThemostcriticalaspectofthesysteminstallationisthelocationoftheGNSSantenna.
Incorrectorinadequateinstallationcanleadtopoorpositioningperformanceorcomplete
lossofposition.
Iftheantennaisinstalledinapoorlocation,itcansufferfrommasking,multipathor
interferencefromotherradiosourceswhichcanaffectthepositionperformance.
Masking
TheGNSSantennashouldhaveanunobstructedlineofsighttothesky.Thesignalsfrom
thesatellitepropagatebyline-of-sight,whichmeansthatiftheantennacannotseethe
satellite,thereceptionwillbeseverelyimpaired,ifitoccursatall.
Potentialobstructionsareothermastsandantennas,cranes,rigsandxedplatforms,
buildingsinports,highcliffsorhillsclosetoshore.Theimpactofthiscanbeanything
fromdegradedperformancetoacompletelossofpositioning.
Figure7Goodantennalocation
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G210-14/3.0