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When the frequency > 3GHz (begin transitioning at 0.5GHz), wire antennas have too many parasitics to be useful. Hence a more distributed approach is needed.

As usual all results: AS IS, no responsibility assumed.

Looking for Extra Terrestials.

Parabolic Antenna Diagram

A Parabolic

A very high gain antenna used for general microwave links, satellite links and oxygen links.

Parabolics