Thanks for the responses, everyone! I'm going to explore the
possibility of attaching to a floor joist, though the suggestion of
getting the rotator from Australia wasn't half-bad!

btw, Blue Dawg,

Some links to this particular antenna:

sold he
http://www.solidsignal.com/prod_disp...=&PROD=ANC4228

UHF TV antenna comparison chart
(I like the fact that the CM4228 actually has "some" gain for VHF
9-13)
http://www.hdtvprimer.com/ANTENNAS/comparing.html