I just bought a used MFJ-9420 (SSB 20m transceiver).

I wondered if anyone tried to retune it for operation in SSB from 14100
to 14300 instead of 14150 to 14350KHz ???

By the way, it's a surprising little toy with a great receiver (VU2 and
W sation heard from Europe in my car !) and it is amazing to be called
when using it with a small vertical mobile antenna !