Joe, Regarding the common mode issue: Would a choke coil constructed
of 30 inches of 2" PVC with RG8X or RG-58 provide sufficient isolation?
What if the coax to the shack is tri-ax with the outer shield floating
at one end to form a Faraday shield. (It wouldn't take much to tape and
wrap some foil on the outside of coax if tri-ax is not available) I
offer this possibility as some in remote areas may find the proper core
material to make an efficient transformer.
73
Herb (KV4FZ)
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