Topband: Info wanted

[Mike Waters]

YES! With elevated radials, a good common-mode choke at the feedpoint is a
must! I used a design from K9YC's RFI PDF.
IIRC, about 6 turns of coax through 5 stacked 2.4" #31 cores.

73, Mike
www.w0btu.com

On Oct 17, 2017 3:52 PM, "S57AD" <mirko.s57ad at gmail.com> wrote:

Common mode choke, and maybe a relay to disconnect feeder from inv L and
raised radials.

73, Mirko, S57AD