[600MRG] measuring noise level ?

[Joe]

Thats where a actual microvolt level would be more accurate. That way 
the local noise lever is a real value, be it .1 microvolt, or 100 
microvolts.

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 7/17/2016 10:26 AM, sbjohnston at aol.com wrote:
> I did not say there was no reason to be aware of noise - far from it.  In both my amateur and my professional life the problem of radio noise is a very big deal.  I just don't get the point of sharing a figure like "-85 dB".
>
> Decibels don't mean anything unless you provide the reference level to which your measurement is -85 dB down from.
>
> And without considering the gain or loss of the complete antenna system (or the bandwidth of the receive system in which you are adding up the noise) I can't see how you can compare station A to station B in a different location.
>
>
>   
>
> Steve WD8DAS
>
> sbjohnston at aol.com
> http://www.wd8das.net/
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