+/- 1.5s shouldn't present a problem to anyone, even, just about, for
people (e.g. some dxp) that rely on crude GPS NMEA serial data time
synchronisation.
In the (unlikely?) event that an even shorter DT window is ever
considered, I'd like to request that a small range of DT adjustment be
made available - similar, but perhaps of a smaller magnitude/finer
resolution, to JT65's Dsec setting in WSJT10 (not available in WSJT-X?).
Other than using NMEA data, another scenario where *really* tight timing
requirements will cause a problem is in the use of remote radios where
the client software is running at the remote, not the radio end;
obviously there's an inherent, known, and fixed delay in such a system
that can be of the order of 100's of ms.
Regards, Mark
On 22/07/2017 21:20, Bill Somerville wrote:
On 22/07/2017 20:47, Edfel Rivera wrote:
Thank you Mike! After fixing PC time, decoding properly now.
Hi Edfel,
Steve, K0AN, has tightened the time synchronization requirements for
the FT8 decoder. The change seemed sensible given the shorter T/R
period, higher proportion of the T/R period that is message, and
faster code rate. Having a smaller sync detection tine interval makes
the decoder either faster or able to look a bit harder for a signal to
try and decode.
https://sourceforge.net/p/wsjt/wsjt/7926/
If you are build from sources and intending to use WSJT-X on air, it
is essential to track the change history to understand what you might
be running. This particularly true at the moment if you build the
development branch rather than the v1.8 branch.
73
Bill
G4WJS.
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