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Message: <blockquote data-quote="s-band" data-source="post: 1163372" data-attributes="member: 407744">I'm using a 1.8m PF dish and my horizon is about 55E to 53W, limited by trees. At the far east position around 57E, I get strong 5G interference which overloads the system. From about 45E to 53W it's only the direct interference that causes trouble below 3.8GHz. There is a clear gap around 3.74GHz which is usable.Looking at the noise output from the Tit, it appears that there is probably some gain before the first filter since the noise and signal drop off at similar rates. Blue = 18V, Magenta = 13V[ATTACH]156816[/ATTACH]Pointing at the east horizon, the NJR LNB + Av-Comm (3.7-4.2 plot) overloads and interference affects most of the band. The Tit remains clean (3.8-4.2 plot).[ATTACH]156814[/ATTACH]  [ATTACH]156815[/ATTACH]As with all plate polarisers, it's hard to find the optimum position relative to the feed probes. Checking it on 40.5W RHCP against the NJR + AV-comm, the performance was similar at the top (4-4.2GHz) but was a few dB down between 3.8 and 3.9GHz. This makes a big difference as most signals are close to threshold on the 1.8m dish. Note that the CS plots were at different times of day and there is some variation due to that.[ATTACH]156812[/ATTACH]  [ATTACH]156813[/ATTACH]It would be nice to try the Tit with an AV-Comm but one or the other need to be modified to make them fit together. Would I recommend it? In [USER=175005]@John[/USER] 's case, probably as it seems to work in his situation (maybe better still with the AV Comm). If there's a section of arc where a filter isn't needed then keep the other options for that. For anyone in an area with a lot of 5G nearby, it looks like the cheapest solution. For me, there's not much to the east that I can see that interests me and the NJR etc works fine over most of the range. If I had a bigger dish and a lower horizon, I might have a different view.</blockquote>

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