Garmin GPS - RE: Version 2.0 GDB file layout

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RE: Version 2.0 GDB file layout

spajjie

2005-05-19, 12:22 pm

Hi Guys,

I'm in the process of creating a mobile application which invokes the
Garmin nRoute product which uses version 2.0 GDB files for waypoint
saves etc.

With a hex editor I've been able to piece together an understanding of
the file structure of the "NVM.gdb" file. However the waypoint
information confuses me.

My current coordinates are; S26 01.657 E28 03.894 (According to
MapSource). The internal data is (South) 1F D1 7D ED (East) C6 0E F5
13. Could somebody explain how to take my coordinates and convert it to
the hex equivalent? Are there websites that have the file layouts
defined?

I'm sure somebody out there could help me.

Thanks
Chris

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