[time-nuts] new WWVB BPSK dev board

[Poul-Henning Kamp]

--------
In message <20181205150943.d18ce043dfd44d2731220327 at kinali.ch>, Attila Kinali w
rites:

>On Tue, 04 Dec 2018 22:56:54 +0000
>"Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
>
>> And the BPSK does improve timing.
>> 
>> If you have access to, and tracks the carrier, you can nail the
>> timing all the way down to 1/your_sample_rate.
>
>Yes, but the same is true for pure AM modulation.

No, it is not, because the AM modulation is subject to
the very narrow bandwidth of the transmission antenna which
smears the flank out over several carrier cycles.

The BPSK phase reversal is not smeared out the same way.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.