[Elecraft] S-Meter calibration (K2)

[Dr. Werner Furlan]

hi Don, 

Don Wilhelm schrieb am 28 Nov 2007 um 9:17:

> Switch the antenna on and off to tell 
> how much atmospheric noise is present - if the receiver noise level 
> increases when the antenna is connected, then the atmospheric noise is
> higher than the receiver noise floor and more preamp gain will not be of
> benefit for hearing signals.

thank you for the very clear explanation. In the moment (and I think it is 
usually like this) the only band where the noise floor with the antenna is not 
higher than without antenna is 10m. Without knowing much or thinking about 
it I did the same as you, I only used the preamp when the band is very quiet.


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ihn sehr...


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