[time-nuts] WWVB and Chronverter update

Dana Whitlow k8yumdoober at gmail.com
Fri Aug 24 03:14:54 EDT 2018


Is there a schematic published for the Chronverter?  I agree with Didier
that the
OOK issue *ought *to be pretty easy to fix, and I'd like to look into that
myself.

Dana


On Thu, Aug 23, 2018 at 9:00 PM Didier Juges <shalimr9 at gmail.com> wrote:

> Have you tried to contact the manufacturer? It sounds like something that
> should be easy to fix and that he would want to fix.
>
> Didier KO4BB
>
> On Thu, Aug 23, 2018, 8:55 PM paul swed <paulswedb at gmail.com> wrote:
>
> > Hello to the group.
> > Had sometime to hook up the chronverter wwvb simulator.
> > Numbers of details.
> > The software and operation are clear.
> > Everything is easy to setup.
> > Bad news.
> > Though the system when set to wwvb puts out a signal on 60Khz its on off
> > keying.
> > WWVBs signal is reduced carrier by some 14db.
> > As such any of the WWVB clocks of quality/phase tracking do not lock and
> do
> > not decode.
> > I have not tried the cheap clocks yet that I suspect will work.
> > The actual carrier out is a healthy 0 dbm.
> >
> > Some issues with commands and the system seeming to lock up requiring
> power
> > cycles.
> >
> > With respect to the carrier. The chronverter is elegant in the fact that
> it
> > can generate the 60 KHz frequency and other LF signals. But I will need
> to
> > add an external 6 MHz oscillator divider and modulator if I want to use
> it
> > with the good receivers.
> > Adds power and complexity.
> > Regards
> > Paul
> > WB8TSL
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