Bert Modderman Engineer
more pictures of all sorts of septum feeds:
6cm septum feed for fd 0.4 is 450 euro
reflected 25db, isolation 35db
feed is turned by hand on the lathe!
picture for size comparison to a 10ghz septum with super ve4ma feed.
6cm septum feed for fd 0.5 as as shown below 400 euro.