[Elecraft] P3 cw waterfall

[Jim Brown]

On Wed,12/9/2015 5:05 PM, Greg Troxel wrote:
> Can you explain "averages to zero"?  I would think that random noise
> would average to something non-zero and then be comparitively reduced by
> the averaging interval, and thus more like the normal noise level over
> sqrt(N).  Perhaps this is then reliably below the threshold for any
> color to appear, which would make it effectively zero.

Perhaps I chose my words poorly. What happens when you set averaging and 
levels to optimum is that any random noise averages itself out (BECAUSE 
it's statistically random), so you're left with whatever weak signals 
and non-random noise is on the band.

73, Jim K9YC