->  PW> What problems might I encounter if I artfully bared and clamped
->  PW> the cable in place, eliminating the need for a connector at the
->  PW> antenna completely

-> As long as you weatherproof it there should be no problems.
-> "roofing silicone" seems like a suitable product to do
that. (neutral cure, UV
-> resiustant)

 The Coax sealing tape you can get from Radio Shack is just as good. 
And not as messy to apply!!  :-) :-)
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