Re: [LEAPSECS] a system that fails spectacularly

From: Francois Meyer <fmeyer_at_obs-besancon.fr>
Date: Wed, 7 Dec 2005 09:21:54 +0000 (UTC)

On Tue, 6 Dec 2005, Steve Allen wrote:

> Finally we begin to see folks stand up and identify their systems
> as having abysmally failed to implement the UTC standard.
>
> http://www.acrelectronics.com/alerts/leap.htm
>
> In particular, see their technical bulletin
> http://www.acrelectronics.com/alerts/Technical%20Bulletin%202005-12%20_Leap-Second_%20V1_1.pdf
>
> They indicate that one must physically disconnect the unit in order to
> get it to work after the leap second.

I hardly understand how it is reasonably possible to use a
GPS-derived UTC without taking into account the leap second
information from the GPS navigation message.

Unless the unit gets the UTC-GPS offset from the receiver
just once at hardboot time and then forget about leap secs...

Puzzling.

-- Francois Meyer
Tel : (+33) 3 81 66 69 27 Fax : 3 81 66 69 44
Observatoire de Besancon - BP1615 - 25010 Besancon cedex - FRANCE
**** Université de Franche-Comté ****** CNRS UMR 6091 *****
Received on Wed Dec 07 2005 - 01:35:29 PST

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