Batwing antenna

A batwing or super turnstile antenna is a type of radio antenna named for its distinctive shape which resembles a bat wing or bow tie. Stacked arrays of batwing antennas are used as television broadcasting antennas due to their omnidirectional characteristics. Batwing antennas typically generate a horizontally polarized signal. The advantage of th...
Found on http://en.wikipedia.org/wiki/Batwing_antenna
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