[Elecraft] K3 rev 4.21 Beta Release vs. 4.22

[Wayne Burdick]

Note: The only difference between 4.21 and 4.22 is that the former had  
a problem with FSK-D and PSK-D modes. If CONFIG:TX MON was set to FAST  
for voice modes, the monitor for these two data modes was missing.

73,
Wayne
N6KR