reflecting antenna

reflecting antenna

[ri′flek·tiŋ an′ten·ə]
(electromagnetism)
An antenna used to achieve greater directivity or desired radiation patterns, in which a dipole, slot, or horn radiates toward a larger reflector which shapes the radiated wave to produce the desired pattern; the reflector may consist of one or two plane sheets, a parabolic or paraboloidal sheet, or a paraboloidal horn.
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The propylene glycol solution within the ball functions to level the reflecting antenna. The solution is readily biodegradable and will not harm humans, wildlife or the environment in the unlikely event the ball marker is damaged.
3M

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