What about a 20' steel shipping container - well-grounded.
Nearly-indestructible in storms, excellent for storage,
and all metal.
They come with waterproof vents to remove gases from the
items being transported but he will need a way to deal
with air supply (and hvac) and electricity.
I know a crystal radio enthusiast in CA that lives near a 50KW BCB
radio station. He's been having trouble making Q-meter measurements
on some of his hi-Q coils using a HP Q-meter. He's been making
experiments with various shielding methods using an AM BCB portable
radio as a detector. He says that the best he's found so far is
aluminum foil, as long as the "seal" is tight.
To make a room that is large enough for him and a bench takes a LOT
of foil. The floor, ceiling, walls, floor and a good seal on a
screened door would be needed for a really good RF room. The power
for the room would also have to be filtered or he could use a
computer's UPS. The shielding would be grounded, and the shielding,
whether it's say, chicken wire, AL screen, etc would have to be
bonded together at the corners. Then the door would have to be
sealed as well (maybe metal weatherstripping for that?).
My question to the group is what, in your opinion, is the
best/cheapest RF-tight test room he could build for himself? Has
anyone on this list done that?
73, Charlie, N0TT
--
Thanks! & 73, KD4E.com
David Colburn - Nevils, Georgia USA
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