Far as I know the HF1 has no known issues.
Not many have been built.
I don't know of a PCB available for it.
Building one is not just a matter of throwing the parts together and applying power.
Getting the crystal filter to work correctly means carefully measuring the crystals first,
and adjusting cap values and termination impedances to match your crystals.
But you probably know that already. If not, look through the minima mailing list archive.?
Me, I plan to adapt my Bitx40 for multiband.
That will be much simpler to do.
Jerry?
