[Lowfer] Does 2 db make more than a slight difference??

[Dale Parfitt]

Bill Ashlock wrote:

> >A single dB can (does) make the difference between indentifying a very weak
> >signal on QRSS. (Laurence)
>
> >Very true but more so on LF where the signal at any level is
> >a bit more stable. (Bob)
>
> I'm planning to run a test when we get into the full season alternating
> 'normal 1w' and '1w -2db' signals to determine if anyone can see the
> difference.
>
> Bill A
>

That will be interesting Bill.
In uWave EME, 1dB is HUGE and 0.1dB improvement in either LNA NF or feed
translates into typically 0.5dB S/N and is easily seen in sun noise
measurements. Of course, the noise floor is pretty much determined by device
noise as opposed to atmospherics.

Dale W4OP