[Lowfer] 137.6 khz on WSPR-15 waterfall

[Dexter McIntyre W4DEX]

jrusgrove at comcast.net wrote:
> See attached jpg. The line at 137.599 is pure white so it's hard to 
> discern the signal strength difference unless you look at the 
> 'history' on the right. It's about 10 dB lower when in the easterly 
> direction. 
I'm not seeing that .599 line here.  This is what I am now receiving 
along with moderate QRN.  Freq is .05 Hz off due to sound card  and or 
error in R75.  Locked reference line at .600.


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