junius wrote:

Admittedly, you can boost the R20's HF capabilities with one of
these: http://www.universal-radio.com/catal...tune/3506.html
But is it really worth it?

That thing looks like it would put a lot of stress on the weakest point
on a handheld i.e. the BNC. My AR8200MKIIIB needs no help receiving
down through medium wave, even with a modest antenna.