EntityQ641585· pop 11· linked from 78 articlesclutterSign in to saveunwanted signals, echoes, or images on the face of the display screen, which interfere with the observation of desired signalsConnectionsradarEntitychaffEntityplasmaEntityprecipitationEntitydigital object identifierEntitymeteoroidEntityrefractionEntitysolar windEntityionosphereEntitydust stormEntitymagnetosphereEntitybibcodeEntityturbulenceEntitygeomagnetic stormEntityatmospheric circulationEntityweather balloonEntityradar cross-sectionEntityspace weatherEntityspecular reflectionEntityskywaveEntityCategoriesAtmosphereRadar theoryRadio frequency propagation