Joe,

Thank you about the excellent document. It does clarify
where we are at the fight against noise and signal
spreading. 

I am interested to see also results for the
"High-latitude Moderate" propagation model for SF. FT8
have a lot of difficulties on that kind path as
presented in Figure 7 of The FT4 and FT8 Communication
Protocols. FT4 in that figure may give a hint. I assume
that a part of N5J QSO difficulties was the inferior
decoding of FT8 over the polar path not the SF signal.
There was sometimes also unintended FT8 QRM on the even
timeslots adding repeats from fox.

73, Reino OH3mA

> -----Original Message-----
> From: Joe Taylor via wsjt-devel <wsjt-
> de...@lists.sourceforge.net>
> Sent: Friday, September 6, 2024 10:54 PM
> To: wsjt-devel@lists.sourceforge.net
> Cc: Joe Taylor <j...@princeton.edu>
> Subject: [wsjt-devel] SuperFox and FT8: Weak-Signal
> Performance
> 
> Hi all,
> 
> WSJT-related lists have recently seen a lot of
discussion
> about FT8 and SuperFox decoding thresholds.  Some of
> it has been incorrect or misleading.
> 
> I have posted a short document comparing measured
> sensitivities of SuperFox and FT8 (including multi-
> streaming) here:
> https://wsjt.sourceforge.io/SuperFox_Performance.pdf .
> 
>    -- 73, Joe, K1JT
> 
> 
> ______________________________________________
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> wsjt-devel mailing list
> wsjt-devel@lists.sourceforge.net
>
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