Topband: 160m noise

[Tom Rauch]

> The common-mode choke arrangement described by ON4UN in
his Low-Band DXing
> book (Third Edition, Fig. 7-19 and the text in section 9.2
on pages
> 7-18/19) seems to meet Tom's specification -- high series
impedance and
> low-impedance shunting to ground.

As long as the grounds on the input and output are not
common with each other (if two are used) or the equipment!!