EntityQ7279983· pop 7· linked from 58 articlesradar horizonSign in to savedistance at which the radar beam rises enough above the Earth's surface to make detection of a target at low level impossibleConnectionsline-of-sight propagationEntityEarthConceptradarEntityhertzEntityrefractionEntityionosphereEntityterrainEntitylittoral zoneEntityair traffic controlEntitymeteorological inversionEntityelevationEntitywind speedEntityover-the-horizon radarEntityclutterEntitypulse repetition frequencyEntityNap-of-the-earthEntitypulse-Doppler radarEntityMoving target indicationEntityHull-downEntityRadar RD6EntityCategoriesRadar signal processingRadar theory