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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Inside surface of Feedhorn - Shiny or dull?
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<blockquote data-quote="Channel Hopper" data-source="post: 634696" data-attributes="member: 175144"><p>Picture 3 looks suspiciously like the back end of an Irte magnetic polariser, which should be discarded immediately.</p><p></p><p>As for corrosion on the feed, it's never bothered my system unless the oxidising retains moisture behind any cap you might fit. Polishing the dull bits is unlikely to improve your signal with the exception of the bore, where blistering can give losses at the odd frequency, but this is minimal.</p><p></p><p>An offset dish (when installed vertically/non-inverted mode), needs a completely waterproof cap, otherwise water will ingress down the feed to the sensitive parts.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 634696, member: 175144"] Picture 3 looks suspiciously like the back end of an Irte magnetic polariser, which should be discarded immediately. As for corrosion on the feed, it's never bothered my system unless the oxidising retains moisture behind any cap you might fit. Polishing the dull bits is unlikely to improve your signal with the exception of the bore, where blistering can give losses at the odd frequency, but this is minimal. An offset dish (when installed vertically/non-inverted mode), needs a completely waterproof cap, otherwise water will ingress down the feed to the sensitive parts. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Inside surface of Feedhorn - Shiny or dull?
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