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From: Terry Pinnell on 26 Apr 2008 12:28
I've got myself a bit muddled over my iPAQ 2210 (OS = WM 2003) clock
settings. I'm in UK. Clock is set to 'GMT: London, Dublin'. Time right
now is about 17:15, Summer Time, i.e GMT + 1. The Today screen is
showing 17:15. So it seems all is well, given that I recall the PPC
takes care of Summer Time (DST).

But I can't make sense of the GPS times recorded during a walk I just
made. I used Memory-Map on the PPC linked by Bluetooth to my QStarz
GPS receiver. The walk started after a pub lunch at 12:50 local time.
But in the GPX file I've just downloaded from the PPC, the first entry
is 09:50. I would expect it to be showing GMT, i.e. 11:50.

So what can account for that 2 hour difference?

If it's relevant, I did have the clock set to GMT+2 in the 'Visiting'
section for a holiday in Italy, but I switched back to 'Home' on my
return last weekend. And that's how it was set when the walk occurred.

It's probably something glaringly obvious I've missed!

--
Terry, East Grinstead, UK
From: Jaap van Ekris on 26 Apr 2008 14:28
GPS clocks are in UTC, which is without summertime. The other hour I can't
explain....

--
Jaap van Ekris
owner ModernNomads.info
www.modernnomads.info, Windows Mobile Wiki and blog

From: Sven on 26 Apr 2008 20:48
There isn't per chance a time zone setting buried in Memory Map somewhere?
It gets normalized time from the GPS system and has to use something to
correct for your position and DST periods. Could use the device default, but
maybe not.

"Terry Pinnell" <terrypinDELETE(a)THESEdial.pipex.com> wrote in message
news:e5l614tk9pagv60f02nru9dflv3k7k52ec(a)4ax.com...
> I've got myself a bit muddled over my iPAQ 2210 (OS = WM 2003) clock
> settings. I'm in UK. Clock is set to 'GMT: London, Dublin'. Time right
> now is about 17:15, Summer Time, i.e GMT + 1. The Today screen is
> showing 17:15. So it seems all is well, given that I recall the PPC
> takes care of Summer Time (DST).
>
> But I can't make sense of the GPS times recorded during a walk I just
> made. I used Memory-Map on the PPC linked by Bluetooth to my QStarz
> GPS receiver. The walk started after a pub lunch at 12:50 local time.
> But in the GPX file I've just downloaded from the PPC, the first entry
> is 09:50. I would expect it to be showing GMT, i.e. 11:50.
>
> So what can account for that 2 hour difference?
>
> If it's relevant, I did have the clock set to GMT+2 in the 'Visiting'
> section for a holiday in Italy, but I switched back to 'Home' on my
> return last weekend. And that's how it was set when the walk occurred.
>
> It's probably something glaringly obvious I've missed!
>
> --
> Terry, East Grinstead, UK

From: Terry Pinnell on 27 Apr 2008 03:14
"Sven" <sejohannsen(a)hotmail.com> wrote:

>There isn't per chance a time zone setting buried in Memory Map somewhere?
>It gets normalized time from the GPS system and has to use something to
>correct for your position and DST periods. Could use the device default, but
>maybe not.
>
>"Terry Pinnell" <terrypinDELETE(a)THESEdial.pipex.com> wrote in message
>news:e5l614tk9pagv60f02nru9dflv3k7k52ec(a)4ax.com...
>> I've got myself a bit muddled over my iPAQ 2210 (OS = WM 2003) clock
>> settings. I'm in UK. Clock is set to 'GMT: London, Dublin'. Time right
>> now is about 17:15, Summer Time, i.e GMT + 1. The Today screen is
>> showing 17:15. So it seems all is well, given that I recall the PPC
>> takes care of Summer Time (DST).
>>
>> But I can't make sense of the GPS times recorded during a walk I just
>> made. I used Memory-Map on the PPC linked by Bluetooth to my QStarz
>> GPS receiver. The walk started after a pub lunch at 12:50 local time.
>> But in the GPX file I've just downloaded from the PPC, the first entry
>> is 09:50. I would expect it to be showing GMT, i.e. 11:50.
>>
>> So what can account for that 2 hour difference?
>>
>> If it's relevant, I did have the clock set to GMT+2 in the 'Visiting'
>> section for a holiday in Italy, but I switched back to 'Home' on my
>> return last weekend. And that's how it was set when the walk occurred.
>>
>> It's probably something glaringly obvious I've missed!
>>
>> --
>> Terry, East Grinstead, UK

Thanks both.

Jaap: It's a 2 hour difference, as explained. 11:50 -09:50

Sven: I think you're right, and somehow I think MM may have got
'stuck' with that 'Visiting' setting of a week or so earlier. Because
after posting I did another 'walk' from the PC to my garden and back.
As luck would have it, there was a widespread power cut during those 2
mins, so I got back to a PC powering down! But eventually, when I was
able to look at the new GPX, it was now correct.

--
Terry, East Grinstead, UK
From: Doug Forster on 28 Apr 2008 23:26

> There isn't per chance a time zone setting buried in Memory Map somewhere?
> It gets normalized time from the GPS system and has to use something to
> correct for your position and DST periods. Could use the device default,
> but maybe not.

That may well be what is happening but if so its a bug in Memory Map. The
gpx standard http://www.topografix.com/gpx.asp most emphatically specifies
UTC time always.

Cheers
Doug Forster

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