[NLRS] 10 GHz feed

[Jon Platt]

I have an offset dish that I salvaged from my neighbors garbage pile =
during last Falls clean-up days here in Bloomington.   This dish is =
fairly flat, offset, and measures about 24" x 26" or so.  My question is =
the feed that came with it.   The flange end of the feed measures 0.70" =
by 0.48" and doesn't seem to conform to WR90 or WR75 waveguide ... its =
close to WR75 (0.75 x 0.38)   The flange end transitions into a round =
tube about 4" long with the same 0.480" diameter.  The non-flage end is =
scalar like with five or six rings .... the whole feed is about 4.35" =
long.

Questions:  Anyone have any clue as to if this feed may work on 10368 =
MHz and is so, how or what transition to put on the flange end ?

73, Jon
W0ZQ

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