[time-nuts] WWVB SDR discussion

[Bob kb8tq]

Hi

As long as you sample “fast enough”, you can recover phase. Indeed, even if
you sub-sample (sample to slow), you can still get phase back with a few 
relatively minor constraints. Since one of those is “don’t sub sample at exactly
a fraction of the carrier”, a sub-sample “locked” receiver would be a challenge.

Bob

> On Aug 10, 2020, at 2:45 PM, paul swed <paulswedb at gmail.com> wrote:
> 
> Hello to the group.
> Have been looking forward to seeing how the STM32 SDR project might be
> going.
> SDR is a weak spot for me. So been reading. And believe the answer is that
> a SDR solution may work for AM code and even BPSK code to an extent. But
> doesn't the sampling destroy the quality of the incoming signal for
> establishing a locked reference?
> Regards
> Paul
> WB8TSL
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