In transmission, a radio transmitter supplies an electric current to the antenna's terminals, and the antenna radiates the energy from the current as electromagnetic waves (radio waves).

The carotenoid accessory pigments are intimately associated with both the antenna and reaction chlorophylls, and increases in these pigments may indicate adaptation to higher irradiance.

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antenna, component of radio, television, and radar systems that directs incoming and outgoing radio waves.

Get sharp pictures from your local stations with TV antennas from Best Buy. Shop indoor/outdoor digital TV antennas or an amplified HDTV antenna for indoor use.

An antenna is a metallic structure that captures and/or transmits radio electromagnetic waves. Antennas come in all shapes and sizes from little ones that can be found on your roof to watch TV to really big ones that capture signals from satellites millions of miles away.

You will find a range of great options, from small TV models to big screen TV options to projection TV alternatives, like projectors and screens. Choosing the best TV is always about deciding what’s best for your needs.

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