Thank you David for your comment. You understand my original point in
asking for the option. All the other comments were trending to the need
for the system clock to be accurate. It is the framing that needs the
accuracy.
73, Bill
On 11/11/2017 8:48 AM, David Tiller wrote:
You wrote:
Not sure what it might take to support clock changes across various
OS’s now using WSJT-X.
The app doesn't have to actually set the clock. If the app were
modified to keep track of a delta time value and use that for timing
decisions, the actual clock state is irrelevant.
The delta could be set by any of the aforementioned techniques.
On Nov 11, 2017, at 11:37, George J Molnar <geo...@molnar.com
<mailto:geo...@molnar.com>> wrote:
Sounds like a perfect idea for a stand-alone application.
Not sure what it might take to support clock changes across various
OS’s now using WSJT-X.
*George J Molnar*
KF2T, Nevada, USA
On Nov 11, 2017, at 8:32 AM, Ria Jairam <rjai...@gmail.com
<mailto:rjai...@gmail.com>> wrote:
That is an excellent idea.
A clock sync feature using WWV, WWVB, JJY, YVTO, CHU, DCF etc would
help those who don't have the ability to sync clock over the Internet.
73
Ria, N2RJ
On Sat, Nov 11, 2017 at 11:23 AM, Scott Bidstrup <sc...@bidstrup.com
<mailto:sc...@bidstrup.com>> wrote:
On 11/11/2017 09:26 a.m., Bill Shell N6WS wrote:
Hello,
While using FT8 in a DXPedition setting, there may be conditions where
there is no reliable timing source for syncing of the system clock.
Bill,
When my Internet here in Costa Rica has been down, I've been able
to sync my
system clock adequately closely by using WWV and using the Windows
clock set
feature to set the clock, by simply setting to the next minute and then
clicking the Apply button as the time comes around to zero seconds.
After
doing it a few times, you can nearly always get the hang of it and
get it
within a second or so. Close enough that I've gotten by. It's a
nuisance
and takes a bit of practice, but it can be done in a pinch. And
it's gotten
me back on the air many times.
Per your request, though, I envision a clock set feature whereby
you would
set the receiver to zero-beat WWV, and call a special clock set
routine that
would look for the top-of-the-minute tone at the right audio
frequency and
at approximately the top of the minute. When it sees the tone
appear at the
right frequency, and at about the right time, it sets the system clock
accordingly. In my professional work, before the advent of the
Internet, I
used hardware clocks based on such a system, and they seem to have
worked
reasonably well most (though not all) of the time.
That would only work, however, in parts of the world where WWV is
available.
When I lived in Africa many years ago, however, WWV was rarely
audible, but
there was a different time signal that I could hear, a digital
signal of
some sort, and I have no idea where it originated from (EU maybe?)
or what
the protocol was. Something that uses that or other protocols might be
useful in those regions.
Scott Bidstrup
TI3/W7RI
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