> "Has to be" Tom - you assume because you actually do not know. Why do you
> not try to build a few copies of the ones other hams build and that worked
> fine and then you will find out why they were so succesful?  Theory is one
> thing  - practise another, right? Or: "the proof of the pudding is in the
> eating as the saying goes.... ". Or in Deutsch something like: " Grau ist
> aller Theorien Anfang ... " - nicht war?
> 
> Prosit de Hans SM5KI
Hans,
You assume I've never built or measured, or seen measurements 
made by others, on G2DAF circuits. 
You assume incorrectly. Been there, done that.
It isn't a good idea to dismiss reasonable or good practices 
because we want to "pretend" a system works better than it does.
73, Tom W8JI
w8ji@contesting.com
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