If you simply look at the waterfall, it's clearly obvious whether your clock is off or not. 73, Carey, WB4HXE
On Sat, Jul 17, 2021 at 10:17 PM Paul Bramscher via wsjt-devel < wsjt-devel@lists.sourceforge.net> wrote: > I was at a monthly outdoor ham event in the greater St. Paul/Minneapolis > area that's drawn loyal attendance the past few years. An operator > setup FT8 outdoors, but had some issues getting it to decode. We could > tell it was getting sound from his port, but there was no decoding. > > He was using Windows, whereas I'm Linux only so wasn't much help. > Another ham suggested he compare his system clock with his cellphone, > and that fixed it. I believe he said he was off by 5+ seconds. > > I'm wondering whether it might be possible, algorithmically to somehow > detect that a person's clock may be out of sync and present a > notification message. Of course there's the DT/Time Delta column when > you are able to decode. But, presumably, he had reached the point of no > return. > > I don't know how this might be possible without an accurate reference > clock -- but possibly based on the average timing of heard signals, or > some sort of signature within them, to cause a message to the user that > s/he may want to check their clock's accuracy? > > Just wondering what might be possible in this regard, and I suspect it > would help portable users, especially those who've been offline for a > number of days/etc. and their system clocks had degraded. > > 73, KD0KZE / Paul > > > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel > -- Carey Fisher careyfis...@gmail.com
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