1296MHz Septum Feed with Flare and Choke The latest incarnation of my 1296 EME system uses a newly constructed septum feed with a square to circular flare and a choke. Used with my 3.1m mesh dish, which has an f/d ration of around 0.34 and a G4DDK preamp with a noise figure which is probably in the 0.26dB region, I see around 12.5dB …
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