From: "Michael A. Terrell"
Subject: Re: Extracting time from GSM / mobile phone transmissions?
Date: Fri, 20 Sep 2002 22:40:55 -0400
Organization: I'm trying!
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References: <email@example.com> <3d8a305b.85767523@News.CIS.DFN.DE> <firstname.lastname@example.org> <3d8b66ad.13398102@News.CIS.DFN.DE>
Dave Hansen wrote:
> On 20 Sep 2002 10:56:37 -0700, email@example.com (Lewin A.R.W. Edwards)
> >firstname.lastname@example.org (Dave Hansen) wrote in message news:<3d8a305b.85767523@News.CIS.DFN.DE>...
> >> FWIW, my cell phone does not automatically set its own clock, so I'm
> >> not sure the information is even there.
> >It's not for AMPS. But all the digital cellular protocols require
> >tight synchronization.
> AllTel (formerly CenturyTel) Digital with a Nokia 5120i. Local
> network is all digital, though I can roam analog. I still have to set
> my own clock. Back when I had a GSM phone with Aerial/VoiceStream (an
> Ericsson somehting-or-other), I had to set its clock as well.
> Not that it's difficult. ;-) But I question whether the TOD
> information is there. And if it is, why can't I use it to set my
> As I said before, my VCR does this. Even automatically handles DST...
> Obviously it's available in some television broadcast signals, along
> with station OD and program information.
> Change is inevitable, progress is not.
The VCR sets its clock to a signal transmitted by some PBS stations.
An old fart since August 5th, 2002!
Michael A. Terrell
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