GPS time synch

Michael 'Mickey' Lauer mickey at vanille-media.de
Tue Feb 20 19:40:31 CET 2007


Christopher Heiny wrote:
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> From: Christopher Heiny <clheiny at starband.net>
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> On Monday 19 February 2007, ground control picked up the following 
> transmission from Michael 'Mickey' Lauer:
>> Harald Welte wrote:
>> > On Mon, Feb 19, 2007 at 11:47:23PM +1100, Mark Chandler wrote:
>> >> Would it be possible to keep the Neo's internal clock accurate
>> >> using time stamps from GPS information?
>> >
>> > yes.
>>
>> That is only during GPS being powered up, of course. We probably
>> don't want it to be powered unconditionally, since it drains quite
>> some power.

> It appears that most (if not all) GSM providers include time information
> in the signal.  Certainly I have observed this in North America and 
> Europe.  It's probably a less power hungry way of keeping your clock in
> sync.  Additionally, the GSM time info includes your local timezone and
> DST status information.

Yes that sounds like a good idea. I always wondered why I had to set
the time and date on my mobile phone when it's included in GSM anyway.
Harald, do we have access to this kind of information from Calypso?

Regards,

:M:
-- 
Michael 'Mickey' Lauer | IT-Freelancer | http://www.vanille-media.de




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