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> 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> 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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