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Old 02-15-2010, 10:24 AM   #21 (permalink)
Martian
Young Crumudgeon
 
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Location: Canada
Cantennas are quite simple from an engineering standpoint. It's a very simple directional waveguide antenna that results in high gain over a low arc.

Point it in the general direction of an unsecured access point and go.

If you prefer parabolic reflectors to waveguides, you can also build a wok fi.
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