47 GHz feed for my EME system

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47 GHz feed for my EME system

Designed for a F/D = 0.4

Main principle: a transition from recktangular to round waveguide and a choke to equalize the E and H pattern.

The choke is made of a small part which is soldered to the main part.


 Drawing of the feed

 After the parts have been prepared they are soldered together.

 The different parts must be slightly bent outside to fit into each other.

 Take a look at the pictures to see my final result.

Round waveguide just prepared for fitting to the rectangular waveguide
Side view of the PA0EHG 47 GHz EME feed
 Front view