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Message: <blockquote data-quote="s-band" data-source="post: 965533" data-attributes="member: 407744">Scopus, costactc, interesting. I've compared the lite to the non-lite and convinced myself that the lite is up to 1dB better, varying over the band. I tried a not very scientific sky-ground noise figure measurement and got around 1.2dB for the C1W. I probably had some ground in my sky noise as I was not totally clear of trees.I need to get a simple WR229 feed as my old co-rotor is too much of a lump to hang on the IRTE. I've got an old Chaparral (20K??) LNB and a 120K LNA (1983 vintage!) to try. The idea of PLL LO is attractive for narrow band. I grafted one of these (Ebay 121096363971) into the Lite which seems to work ok after a bit of fiddling with the levels.</blockquote>