Re: Web page updates following recent discussions

[Gary E. Miller]

Yo David!

On Thu, 21 Jan 2021 19:55:22 +0000
David Taylor <gm8arv@yahoo.co.uk> wrote:

> My "simple" is adequate for my purpose.

Not for mine.

> I'm looking at no select, and will try your suggestions.

Good.

> There may be a confusion about ppm.  I'm reporting the value of ppm 
> which ntp configures is required to keep the system clock as near as 
> possible to UTC.

That would be the standard definition in these aprts.

> I wouldn't expect an unmodified RPi to have a
> hardware clock consistently at 0.3 ppm.

Right, that is why we use NTP, to compute the error so it can be
removed.

>  Mine aren't in any protected
> thermal environment, some quite close to a central heating radiator!

Use ntplogtemp and you will learn a lot about your tempco.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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