Looking for Piano antenna tutorials
时间：04-10
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Hi there,
I'm looking for good tutorial about piano antenna, please help me
thnx
I'm looking for good tutorial about piano antenna, please help me
thnx
I'm not sure the term...piano or peano, but I have one reference paper for it!
seems so interesting....i heared it first time...
This looks very much like the Sterba Curtain and the Bruce Array from HF use in 1930 or so.