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<blockquote data-quote="doktorofsat" data-source="post: 648212" data-attributes="member: 324045">Channel HopperI'll try to find some copper and stick it on the a thin plateIf the plate has 2-3mm the reception is not good at all I try it believe me , and get mad <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png"&nbsp; class="smilie" loading="lazy" alt=":)" title="Smile&nbsp; &nbsp; :)" data-shortname=":)" /> 2-3% amplification...too smallWhen I use an 0,7-1mm plate always got good results.I hope that using Cu instead of Al , I'll notice some improvments<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool&nbsp; &nbsp; :cool:" loading="lazy" data-shortname=":cool:" />The distance between the stripes are important.With actual distance it;s a better amplification on 3600-3900 MHz .I write in my early posting , be free &quot;2play&quot; a little with distances between the 2 column of stripes (6 pieces/column) You can put even more big elements in the middle !I try with succes , playing with an 0,5mm copper wire and making some spirals.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool&nbsp; &nbsp; :cool:" loading="lazy" data-shortname=":cool:" /> I made 2 spirals like in photo and put them verticaly on the both side of short stripesI got even an extra 8-10% on certain freq!!Pretty cool, isn't it?!vipersan, pride21, satcom1 and other fell free to make experiences with the plate and of course post the result.At my QTH is a bit cold outside even at daytime but I'llmade an another plate for several testing.And I work hard on my next 1,8m pfta dish, and believe my it takes a lot of time ;)Best RegardsDoktorOfSat</blockquote>

[QUOTE="doktorofsat, post: 648212, member: 324045"] Channel Hopper I'll try to find some copper and stick it on the a thin plate If the plate has 2-3mm the reception is not good at all I try it believe me , and get mad :) 2-3% amplification...too small When I use an 0,7-1mm plate always got good results.I hope that using Cu instead of Al , I'll notice some improvments:cool: The distance between the stripes are important.With actual distance it;s a better amplification on 3600-3900 MHz .I write in my early posting , be free "2play" a little with distances between the 2 column of stripes (6 pieces/column) You can put even more big elements in the middle !I try with succes , playing with an 0,5mm copper wire and making some spirals.:cool: I made 2 spirals like in photo and put them verticaly on the both side of short stripes I got even an extra 8-10% on certain freq!!Pretty cool, isn't it?! vipersan, pride21, satcom1 and other fell free to make experiences with the plate and of course post the result. At my QTH is a bit cold outside even at daytime but I'llmade an another plate for several testing.And I work hard on my next 1,8m pfta dish, and believe my it takes a lot of time ;) Best Regards DoktorOfSat [/QUOTE]

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