[Elecraft] Final K3 APF Lab Test Results

[Lyle Johnson]

The APF engages. I measured it in 4.22. It is no different than in 4.17.

Of course, you must set the feature to operate, or it will indeed be the 
old DUAL PB algorithm.  CONFIG:DUAL PB  must be set to APF and not set 
to NOR.

73,

Lyle KK7P
> My intuition says that the problem is not in the filter algorithm. Could be
> that the APF just not engages in 4.22? Could be that instead of APF it is
> still does Dual PB or something?