OT: Improving laptop wifi reception

[Markku Kolkka]

25.8.2011 20:20, Marko Vojinovic kirjoitti:
> I'm not complaining about formatting. What I don't understand is why is SNR 
> equal to 46, and not to the ratio of signal to noise, ie. 42/88, which is not 
> 46, but 0.47?

That's how logarithms work:
http://en.wikipedia.org/wiki/Logarithm#Product.2C_quotient.2C_power.2C_and_root
Decibels are logarithmic units, so the ratio of two values in expressed
in decibels is same as the as the difference of the decibel values.

-- 
    Markku Kolkka
    markku.kolkka at iki.fi