On 30/11/2014 13:16, gareth wrote:
Anyone who has a scrapped Yaesu / Sommerkamp HF rig from
30 years ago, or so, will find that for both TX and RX, the
tunable IF covers the 60m / 5MHz band.

The IF is not tunable. It's fixed at 9MHz. It's the VFO that covers 5.0
to 5.5MHz.