[Elecraft] SNR improving on CW signals

[Fred Jensen]

Taking the headphones off and laying them on the desk seems to boost the 
SNR of a CW signal significantly. Helps with closely spaced QRM too.  
It's been known to RO's since the "olden days."

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 1/12/2018 2:13 AM, Petr, OK1RP/M0SIS wrote:
> Hi all,
>
> there is an interesting article about the improving perceived loudness by
> 6dB and that of the background noise by 3dB, resulting in a net 3dB
> improvement in the signal's SNR on CW...
>
> https://plus.google.com/100312042524727617304/posts/gtNciqaFQk5
>
> BTW: be careful as there are a little mistakes in frequencies difference for
> fourth chord etc.
> 1) CQ Jan 18, page 17, Fig.1. (b): 697Hz-523Hz=174Hz (almost fourth chord)
> and NOT 80Hz as described
> 2) CQ Jan 18, page 18, Tab.1: eg. E4-F4=19.6Hz NOT 19.55Hz,
> F#/Gb-F5=41.533Hz NOT 42.53Hz etc.
>
> Is there somebody who configured his K3 for that and tested it already?
>
> 73 - Petr, OK1RP
>
>
>
>
> -----
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