Hmmm..looking at a circa 1m dia loop.open at bottom.with a vertical wire running down from one side of input to amp..
I can not get any more info from the pic..
Naughty naughty man..now i am going to have to practice my morse..( last used 30 yrs ago.) as have not alot to be going on..dont want to waste my copper tube on something that i may have got completely wrong..
