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June 5th 05, 07:08 PM
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"DaveC" wrote in message news.net... Thanks, Russ, for your observations. If you are OK with linear polarization (is the antenna for WiFi use?), I suspect a biquad would provide better illumination than a cantenna or a patch. Not that the latter two wouldn't work, it's just they aren't optimum for that f/D Yes, WiFi. If need be, can't I just rotate the biquad feed by 90 deg. and get horiz. polarization? Yeah, I see (via net search) that biquad fits nicely with a 0.7 f/D dish. Thanks again, -- Please, no "Go Google this" replies. I wouldn't ask a question here if I hadn't done that already. DaveC This is an invalid return address Please reply in the news group Dave Do you know of a web site where the offset dish f/D is defined? I am familiar with the conventional (feed at the center) parabolic reflector f/D. My question relates to my wondering if the TV satellite dish is a parabola with the horn feed offset away from the focal point. Jerry |
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