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That size and spacing is real close to what I helped build, but any full wave loops will work that are close as a hand grenade, and about 3%-5% smaller going back to front.
/It's only when you dial it in and carefully tune it to a gnat's butt hair for peak with your wire, boom, exact element lengths and spacings that it shines like a quad should, opening and closing the band while the Yagi beams have already gone to nothin' but noise 15-20 minutes earlier.
Just toss some wire up there and tune the match for lowest swr and it will work well, but tune each element carefully as they interact together and watch out for gain you won't believe

<blockquote data-quote="Needle Bender" data-source="post: 349496" data-attributes="member: 13339">That size and spacing is real close to what I helped build, but any full wave loops will work that are close as a hand grenade, and about 3%-5% smaller going back to front.&nbsp;/It&#039;s only when you dial it in and carefully tune it to a gnat&#039;s butt hair for peak with your wire, boom, exact element lengths and spacings that it shines like a quad should, opening and closing the band while the Yagi beams have already gone to nothin&#039; but noise 15-20 minutes earlier.&nbsp;Just toss some wire up there and tune the match for lowest swr and it will work well, but tune each element carefully as they interact together and watch out for gain you won&#039;t believe <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f631.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":ohmy:" title="Eek!&nbsp; &nbsp; :ohmy:"&nbsp; data-smilie="9"data-shortname=":ohmy:" /></blockquote>

[QUOTE="Needle Bender, post: 349496, member: 13339"] That size and spacing is real close to what I helped build, but any full wave loops will work that are close as a hand grenade, and about 3%-5% smaller going back to front. /It's only when you dial it in and carefully tune it to a gnat's butt hair for peak with your wire, boom, exact element lengths and spacings that it shines like a quad should, opening and closing the band while the Yagi beams have already gone to nothin' but noise 15-20 minutes earlier. Just toss some wire up there and tune the match for lowest swr and it will work well, but tune each element carefully as they interact together and watch out for gain you won't believe :ohmy: [/QUOTE]

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