Now, wait a minute! True, if you buy any Mighty Fine Junk, you might
need to tightnen up a few nuts, bolts, or screws.I think they have a few
brews while they (Mighty Fine Junk) are working.
www.MFJEnterprises.com

I have never used an active antenna before (or have I? that Tiny Tenna
which was dead on arrival) so I really don't know.
cuhulin