Yorkshire fitting thru line


Brian Howie GM4DIJ
 

A long time ago I built a couple of thru lines using Yorkshire plumbing fittings to use on 23cm and 70cm to check antenna matching. The plan was to make a poor man's Bird Meter but I only ever made one rotatable slug.

I still use one on 13cm. I'm trying to remember where the articles appeared, whether it was DUBUS or Radcom . It would have been the early 80's . Anyone ?

Brian GM4DIJ
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Brian Howie

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