[time-nuts] WWVB Signal Generator

Peter Vince petervince1952 at gmail.com
Sat Aug 25 15:09:10 EDT 2018


Hi Mark,

     If you were able to include optional modulation for the UK's MSF
signal as well as WWVB, then I'd be very interested - especially if you
could persuade John and TAPR to produce a kit :-)   Europe's DCF would also
be a good selling point, but getting its 77.5KHz would be more difficult.

     Peter


On 25 August 2018 at 19:28, Mark Sims <holrum at hotmail.com> wrote:

> If I was going to do it I would take a cheap Ublox 7M board (around $10
> with antenna),  program one of the time pulse outputs for 60 kHz (it
> divides evenly into 48 Mhz so no jitter),  feed  the Ublox serial data /
> 1PPS to an AVR chip (or $2 Arduino Nano  clone), and use that to modulate
> the 60 KHz output.   Total cost less than $20 and should get to to the
> microsecond level range.
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