[RFI] Ambient Noise Levels

[Tom Rauch]

> to increased use of electronics by my neighbors at night? 
> The noise
> actually sounds more like atmospheric noise, but I'm not 
> sure.  Anyone
> else have a theory?

If you are not local noise limited, noise on lower bands 
(below 40) always goes up at night.

Above 40 if you are not local noise limited, noise goes up 
when the band is open in the direction of the band opening.

http://www.w8ji.com/noise.htm

73 Tom