This guy has what looks like a well thought out design using a Sirf-Based GPS and ATTiny44A chip to generate a signal to update his watch:
https://www.anishathalye.com/2016/12/26/micro-wwvb/ Unfortunately, he doesn't seem to have published a schematic or his source code. But, he covers enough detail that I think it wouldn't be too hard to replicate what he's done. Or, perhaps he would disclose these details if contacted. Wayne On Sat, Aug 25, 2018 at 4:33 AM, D. Resor <organli...@pacbell.net> wrote: > I thought I would search in a different way for a WWVB signal generator > design. I found this item. While the designer explains it isn't as > accurate as WWVB it may be another starting point. > > http://www.tauntek.com/wwvbgen-low-cost-wwvb-time-signal-generator.htm > > > > Donald R. Resor Jr. T. W. & T. C. Svc. Co. > http://hammondorganservice.com > Hammond USA warranty service > "Most people don't have a sense of humor. They think they do, but they > don't." --Jonathan Winters > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to http://lists.febo.com/mailman/ > listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.