Re: GPSD Time Service HOWTO

[Greg Troxel]

"Michael J. Tubby B.Sc. MIET" <mike.tubby@thorcom.co.uk> writes:

> On 01/03/2021 14:58, Xavier Ruiz wrote:
>> Also, ntpd/chrony uses UTC or GPS time (GPST)? Can't seem to find
>> the answer.
>
> As far as I am aware NTP works in UTC.

Yes, it's UTC.

It's not hard to find the protocol specification.

Type "ntp rfc" into a privacy-respecting search engine.    For me, the
second hit was
  https://tools.ietf.org/html/rfc5905

Searching for both GPS and UTC leads one quickly to

  https://tools.ietf.org/html/rfc5905#section-2

And, generally, GPS itself is the only thing that uses th GPS timescale.

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