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Discussion Starter · #1 ·
For those of you that use GPS data files ie .GPX files. There is a conversion program thats free which

will convert it to a .USR file which is what Lowrance uses at least in their sonar/GPS units.

Just convert the GPX file to a .USR file and copy it to your mmc card and load it in your unit :)

Here is the link for the free program.


Here is their home page.


Someone on the Tidal forum posted a VB area GPX file with hundreds of waypoints here is that file in

.USR format ready for your mmc card.


Here is the same file in GPX format


Hope it helps and thanks again to whoever posted that original GPS data file !!!
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