Hi Dave,
You need a BC-453.
www.carc.org.uk/pdf/FavRx002.pdf
Wes
--- On Thu, 12/17/09, W5UN <w5un at wt.net> wrote:
> I am a K3 owner and user. I have the
> KRX3 module installed. What do I
> need in order to hear below 500 kHz? Or is this even
> possible for
> the K3? Currently, there is a great signal drop off when I
> tune below 1 mHz.
>
> Dave, W5UN
>