On Mon, Jun 20, 2016 at 10:54:44AM -0400, Christopher Browne wrote: > Interesting if the synchronization has gotten lost. > > For quite a long time, electric clocks were often synchronized based on the > 60hz; apparently the Hammond Clocks were from the same Hammond more noted > for producing organs, which apparently also used power line frequency > stability to stay in pitch... <https://en.wikipedia.org/wiki/Hammond_organ> > > In the early days of quartz crystal clocks, they did *not* give as good > stability as the "beats" provided by the 60hz of the power grid. It seems > interesting if the power grids have decided to ignore this. While the > clock application has become much less relevant, I would imagine it easier > to maintain exact cadence today, with there being more precise clocks.
I suspect the power grid is doing fine, I just don't know if I trust the APC to be measuring it that accurately. -- Len Sorensen --- Talk Mailing List talk@gtalug.org https://gtalug.org/mailman/listinfo/talk