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# GPS coordinate conversion

Posted on 2008-06-21
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Last Modified: 2008-09-02
Hi,

Is this format familiar for anyone: ( 2C736173, 2C103816)?
If it is a known GPS coordinate format, how to convert it to a (LAT, LON) coordinate?

Thanks, CC
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Question by:cc042297
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7 Comments

LVL 55

Expert Comment

ID: 21839696
do you know what location the coordinates belong to?
I guess 2C is not an UTM zone because it belong to the sea near Antartida
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Author Comment

ID: 21839929
Here is an other one:

Lat    4.27 27.04
Lon 19.08 43.71

= (2C657390, 2C234843) (approximately)

or maybe = (657390, 234843)?

I am getting these  coordinates as part of an  URL so it is not quite clear where the coordinates actually start. The goal is to calculate the distances between two points.

Thanks for trying to help. :)

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LVL 55

Accepted Solution

Jaime Olivares earned 100 total points
ID: 21839956
I just can say it is not related to lat/lon, UTM or grid reference
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Author Comment

ID: 21839990
Small changes in the lat/lon coordinates result small changes in the integer coordinates, so I guess it is similar to how DateTime values are stored.  I need to figoure out  the bit structure. Are 2x6 decimal digits enough to store a GPS coordinate?
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LVL 55

Expert Comment

ID: 21840004
>> Are 2x6 decimal digits enough to store a GPS coordinate?
Yes, depending on the purpose
You can read my article for some comments about precision:
http://www.codeproject.com/KB/cs/Coordinate.aspx
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