[Elecraft] K2 BFO Test: BFO low freq is really low

[Jason Marten]

Thanks for the input, everyone.  When I have the time, I'll throw in some 
MPS2222A's at Q9 and Q10 (which I happen to have on hand), and I'll report 
on the results.  I'll also check the BFO circuitry again for any problems.