"gareth" wrote in message
...
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.

I am thinking specifically of the FTDX560 / Sommerkamp 747 where the
tunable IF is 5.220 - 5.720, and covers down to 5.125 off the lower limits
of the VFO, IF is 3.180, so it is (was) essentially a 60M rig with an
Xtal controlled treansverter.