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Old 07-10-2018, 12:27 PM
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jr_tech jr_tech is offline
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Quote:
Originally Posted by old_tv_nut View Post
Actually a pretty reliable antenna. When we compared indoor antennas for digital reception, this one was surprisingly OK, coming close to the "Silver Sensor" log periodic design. I don't have enough intuitive antenna knowledge to explain why that is so, with the reflector so close to the active elements.
Yes, I would like to hear why some reflector style antennas end up with only about 1/10 to 1/8 wavelength spacing between the driven element and the reflector.

I have built several of the biquad antennas, and indeed they seem to perform best with short reflector spacing.

http://martybugs.net/wireless/biquad/

https://buildyourownantenna.blogspot...alculator.html

jr
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