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Re: Help needed to configure and compile gpsd to run on a Raspberry Pi 4


From: Greg Troxel
Subject: Re: Help needed to configure and compile gpsd to run on a Raspberry Pi 4 and NOT use systemd
Date: Wed, 13 Nov 2024 12:38:25 -0500
User-agent: Gnus/5.13 (Gnus v5.13)

Frank Nicholas <frank@nicholasfamilycentral.com> writes:

> Exactly - does crony read this directly?  If not, how does the system know 
> which time the “0”/start of the second is from?
>
> How can you trust PPS, without knowing what date/time the PPS is relative to?

ntpd can read NMEA.

But, there are receivers supported by gpsd that are not NMEA enough for
ntpd to be ok with them.




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