[Elecraft] K3 S-Meter and Noise

[Julian, G4ILO]

Dave G4AON wrote:
> 
> The K3 is sensitive enough on the lower bands to not need the pre-amp,
> which of course would give rise to higher noise levels.
> 
But surely the preamp won't make the receiver noisier. It will only make the
noise sound louder. But if you are listening to a signal then switching the
preamp in should improve the signal to noise. If it doesn't, the preamp
doesn't need to be on in the first place.

The only band I have found the K3 preamp useful on is 6 metres. But that
probably has more to do with the noise level I have here than the K3's
sensitivity.

-----
Julian, G4ILO. K2 #392  K3 #222.
* G4ILO's Shack - http://www.g4ilo.com
* KComm - http://www.g4ilo.com/kcomm.html
* KTune - http://www.g4ilo.com/ktune.html

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