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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Feedhorn ident
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<blockquote data-quote="archive10" data-source="post: 904649"><p>I'm fairly certain the second one is a type 3180 Ka-band dish.</p><p></p><p>Looking at feed-horn info at Prodelin (gdsatcom.com), this also means that the second dish has a f/D of 0.8, not 0.6 as the series 1183 (which the first one is most likely). As you got this with an Inverto Black Ultra mounted, this means that the dish was underperforming since the LNB is looking at a bigger area than the dish (wider illumination angle of LNB than dish opening angle).</p><p></p><p>If I got this righ, you can't use standard LNBs with that (3180) dish for optimal performance, instead you need a 39 degree feedhorn and a flange LNB...</p></blockquote><p></p>
[QUOTE="archive10, post: 904649"] I'm fairly certain the second one is a type 3180 Ka-band dish. Looking at feed-horn info at Prodelin (gdsatcom.com), this also means that the second dish has a f/D of 0.8, not 0.6 as the series 1183 (which the first one is most likely). As you got this with an Inverto Black Ultra mounted, this means that the dish was underperforming since the LNB is looking at a bigger area than the dish (wider illumination angle of LNB than dish opening angle). If I got this righ, you can't use standard LNBs with that (3180) dish for optimal performance, instead you need a 39 degree feedhorn and a flange LNB... [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Feedhorn ident
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