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Date:      Wed, 12 Mar 2003 16:28:47 +0100
From:      Wilko Bulte <wkb@freebie.xs4all.nl>
To:        Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc:        "Andrew P. Lentvorski, Jr." <bsder@allcaps.org>, James Satterfield <james@uberduper.com>, current@FreeBSD.ORG
Subject:   Re: Time drift.
Message-ID:  <20030312162847.A660@freebie.xs4all.nl>
In-Reply-To: <23484.1047449678@critter.freebsd.dk>; from phk@phk.freebsd.dk on Wed, Mar 12, 2003 at 07:14:38AM %2B0100
References:  <Pine.LNX.4.44.0303111613500.11177-100000@mail.allcaps.org> <23484.1047449678@critter.freebsd.dk>

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On Wed, Mar 12, 2003 at 07:14:38AM +0100, Poul-Henning Kamp wrote:
> In message <Pine.LNX.4.44.0303111613500.11177-100000@mail.allcaps.org>, "Andrew
>  P. Lentvorski, Jr." writes:
> 
> >An $8.00 wristwatch has much better time accuracy that your multi-$100 PC.
> 
> That's because the crystal in your wristwatch is cut specially so that it
> has a flat temp-co at about 23-16 C, whereas the xtal in your computer
> is has a gradient all the way from 0 to 70 C.

And this is easily verifiable too: just leave your wristwatch in an unheated
(cold) bedroom and watch the drift. 

-- 
|   / o / /_  _   		wilko@FreeBSD.org
|/|/ / / /(  (_)  Bulte				

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