http://elecraft.85.s1.nabble.com/OT-WSPR-SNR-to-CW-real-world-conversion-tp7643551p7643554.html
> I have used WSPR through the past years and have always been amazed at how
> far one can go on so little power. I have always wondered how does it’s
> Signal to Noise Ratio figures I’m getting from the reporting stations mean
> in relation to being heard using CW. In other words, how close to a SNR of
> 0 do I have to be to say that if I were on CW they would hear me and not
> need a computer? I take it that anything on the + side of zero would make
> it, but when watching the waterfall and listening to my receive audio (KX3)
> I can hear stations that I am reporting a SNR of –10 for example. I’m
> running 500mw into a 40m EFHW inverted sloper and have received a few SNR 0
> and +1. I have attempted to look up this information but got bogged down
> in the math and formulas, most of which I don’t understand.
>
> So would a reported SNR of –10 represent a reasonable number at which the
> reporting station would hear me if I simply switched from WSPR to CW, all
> other things remain the same, or is 0 the break point?
>
> tnx
> de George
> WD0AKZ
>
> ---
> This email has been checked for viruses by Avast antivirus software.
>
https://www.avast.com/antivirus> ______________________________________________________________
> Elecraft mailing list
> Home:
http://mailman.qth.net/mailman/listinfo/elecraft> Help:
http://mailman.qth.net/mmfaq.htm> Post: mailto:
[hidden email]
>
> This list hosted by:
http://www.qsl.net> Please help support this email list:
http://www.qsl.net/donate.html> Message delivered to
[hidden email]