It's not so much the mechanics of doing it that I see as a problem. I
have a candidate 12V tabletop that I may try in that position to see
how it works.

I was more interested in the tradeoffs of

o A portable, designed to work with a short antenna, located in a
partial Faraday Cage with noise sources

vs.

o A tabletop, working from a barely adequate external antenna away
from the noise source.

The issues of proper mounting, power sources, etc are all ones I can
deal with.

--
Eric F. Richards

"Nature abhors a vacuum tube." -- Myron Glass,
often attributed to J. R. Pierce, Bell Labs, c. 1940