Antonio Vernucci wrote:
The inductance of a piece of wire passing through a ferrite bead would
be way too low to produce a discernible choking effect at HF frequencies.

Ever heard of a w2du balun? http://w2du.com/r3ch21a.pdf
How about passing the wire through 50 #77 beads as
recommended by the ARRL Antenna Book?
--
73, Cecil http://www.w5dxp.com