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#5
February 18th 11, 03:01 AM
posted to rec.radio.amateur.antenna
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No comment three antennas - duplex
On Thu, 17 Feb 2011 19:39:19 -0600, tom wrote:
On the other hand the null for this antenna array would need to be maybe 90dB or better to be really useful. Here we have three (3) antennas, and as we all know they are not in isolation. Somewhere, there's a nearby (or near enough) overlooked reflective surface that disrupts that oh-so-absolutely-necessary symmetry. 73's Richard Clark, KB7QHC |
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