[Elecraft] AGC and DNR

[Lyle Johnson]

> ...I find that if I turn my AGC 
> off, my DNR will not engage--I get a big "N/A".  So, this is normal?

Yes, this has always been the case and remains so.  The LMS algorithm 
can become unstable under certain conditions, one of which is related to 
maximum signal level.  With AGC OFF, NR could become unstable from a 
really strong signal, so it is inhibited from operating.

73,

Lyle KK7P