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An antenna is said to be vertically polarized (linear) when its electric field is perpendicular to the Earth's surface. An example of a vertical antenna is a broadcast tower for AM radio or the whip antenna on an automobile.Horizontally polarized (linear) antennas have their electric field parallel to the Earth's surface. Television transmissions in the USA use horizontal polarization.y Joseph H. Reisert Antenna polarization is a very important consideration when choosing and installing an antenna. Most communications systems use either vertical, horizontal or circular polarization.
The polarized lenses are used to block this intense light that is reflected from flat surfaces. The reason for this is that polarized sunglasses are made with vertical polarization, while the light reflected by the sun on flat surfaces is horizontally polarized. The non polarized lenses have a dark shade and reduce the intensity of light. However, unlike the polarized lenses, they cannot counter the effects of horizontal polarization. These lenses do not take into account the direction in which light is coming.