I agree, big problem also for chasing rare DX that takes quite some time,
sometimes to complete.
I have to be diligent and make sure my log uses OFF and not ON because the
counterparty has OFF in their log.
I wish there was an option to leave checked = Use OFF time for ON/OFF

Alan McDonald
VK1AO
-----Original Message-----
From: Saku via wsjt-devel <wsjt-devel@lists.sourceforge.net> 
Sent: Thursday, May 11, 2023 4:38 PM
To: wsjt-devel@lists.sourceforge.net
Cc: Saku <oh...@sral.fi>
Subject: [wsjt-devel] WSJTX Cabrillo log time

HI!

Just worked a short OH-FT8 contest that uses "NA VHF" settings with WSJT-X.
I had my logging program using UDP remote connect to WSJT-X and once contest
was over I created Cabrillo logs. From WSJT-X and from my logging program.
Just to compare.

Then I started to wonder....why logs differ?

Further investigation from WSJT-X adi log showed out that WSJT-X uses
"time_off" as Cabrillo time, while my logging program uses "time_on" for it.
Difference, when it happens, is usually 1-2 minutes. But if it happens, in
very poor conditions, that completing qso needs many periods that time
difference may grow to several minutes, I think. (Depending on used contest
format. NA VHF is quite straight, while EU VHF has a period more to
exchange)

I checked Cabrillo definitions from wwrof.org but there seems to be no
definition about QSO record time (start or end of qso).
That is perhaps because in traditional CW or Phone contests the time is
always QSO start time as qsos take only few seconds.

FT8 world is a bit different, or is it anyway?

On what bases it has been chosen that WSJT-X uses qso end time as Cabrillo
time?


-- 
Saku
OH1KH



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