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- To: chrony-users@xxxxxxxxxxxxxxxxxxxx
- Subject: Re: [chrony-users] Using radio time signal for syncronization
- From: Miroslav Lichvar <mlichvar@xxxxxxxxxx>
- Date: Tue, 7 Jan 2025 10:33:50 +0100
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On Sun, Jan 05, 2025 at 01:22:08AM +0000, Sviatoslav Feshchenko wrote:
> Is there either a software implementation that would allow chrony to synchronize to these time signals, or is there a device that can be purchased or built with certain chips, that would produce 1PPS output and NMEA sentences for example that can then be interpreted by GPSD and chrony?
I'm not aware of any. We have DCF77 here, which is supported by the
ntpd parse driver reading the signal from a serial port.
I guess the easiest solution would be to port the ntpd audio code to alsa or
pipewire and then use the SOCK wrapper ntp-refclock to feed chrony.
--
Miroslav Lichvar
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