tag:blogger.com,1999:blog-3322535002789091724.post1339153243800208680..comments2023-10-10T10:54:32.294+01:00Comments on G0MGX In the Shack: es'hail-2 dish feedG0MGXhttp://www.blogger.com/profile/02099618962895092351noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-3322535002789091724.post-44633720765503128772019-07-21T19:16:07.093+01:002019-07-21T19:16:07.093+01:00Thanks! I'll get some of your recommended plas...Thanks! I'll get some of your recommended plastic and try.G0MGXhttps://www.blogger.com/profile/02099618962895092351noreply@blogger.comtag:blogger.com,1999:blog-3322535002789091724.post-79978394989343810652019-07-21T12:11:38.993+01:002019-07-21T12:11:38.993+01:00I built the same feed system and tried three diffe...I built the same feed system and tried three different Dielectric lenses. One like yours from a Rocket LNB and a pair that were machined by a friend. The rocket one had zero effect... didn't work, while a lend machined from NYLON6 made a considerabledifference, but the best of all was another lens machined from a scrap piece of unidentified green plastic rod. It was far and away the best performer making for an easily audible improvement in the downlink signal. I can't normally notice 1 S-Point (6Db) and this green lens made an easily audible difference. The recommended NYLON6 lens material is fine, but we reckon the green stuff (from burn tests etc) is PE Filled Green Nylon Rod. Take a look here... and best of luck! 73 Al. GM1SXX. http://gm1sxx.blogspot.com/2019/07/that-strange-green-plastic-dielectric.html hamradioalhttps://www.blogger.com/profile/02435471664891224121noreply@blogger.com