Re: [OpenMap Users] Issue with nmea/kml conversion

From: Mulone <andrea.ballatore_at_ucd.ie>
Date: Mon, 6 Jul 2009 14:07:44 -0700 (PDT)

Thanks for the example. I'm trying to see what's different from my version (
which is this small java class http://www.copypastecode.com/6963 ) and I
couldn't find any...
I'm sure there is a mistake somewhere.

Thanks again!
Mulone



Mulone wrote:
>
> Hi everybody,
>
> I’m still messing with gps on openmap.
> When I convert a GPGLL message (containing DMS coordinates) to decimal
> degrees I get a point pretty close to the right one but still wrong, while
> if I load the same message into a nmea2kml converter (such as
> http://www.h-schmidt.net/NMEA ), I get exactly the right coordinates. So
> I’m missing something in the conversion. I’m just converting the dms value
> (e.g. 5318.56460 -> 53* 18’ 56,46'' -> 53.31568), what else do I need to
> do to get the right position?
>
> E.g.
>
> INPUT Nmea message $GPGLL,5318.56460,N,00613.46033,W,110812.000,A,A*48
> OUTPUT My app: user position: 53.31568 -6.2294536 (wrong)
> OUTPUT Kml converter:
> <coordinates>-6.22434117,53.30940850,40</coordinates> (correct)
>
> INPUT Nmea message $GPGLL,5318.56451,N,00613.46047,W,110814.000,A,A*4F
> OUTPUT My app: user position: 53.31568 -6.2294574 (wrong)
> OUTPUT Kml converter:
> <coordinates>-6.22434117,53.30940850,40</coordinates> (correct)
>

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Received on Mon Jul 06 2009 - 17:08:22 EDT

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