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Just where have you been?

Posted by joeabbott on June 9, 2011

imageOK, I tried to pull the track data off my GPS but I’m having some problems.

I’m not sure what went wrong, but clearly I had data corruption of some sort.

I hadn’t had my GPS on for some time … since April or so. Over the past weekend I used the GPS sparingly on the way into our Summer Land camp, then left it off while we climbed the mountain, but turned it on after we climbed Goat Island Mountain and allowed it to track me out.

Well, when I pulled the data off, I had all sorts of crazy lines, tracks and data on the map! I couldn’t make heads or tails of it.

Over the last couple nights I’ve worked on this and can only conclude that the data from everything before the Goat Island Mountain climb is bad, but having a chance to sync with satellites up high got it working well again.

Because that’s the odd part … most of the data looks wrong but the one track from the mountain out to the car looks PERFECT!

Yes, it shows that I didn’t really summit, it shows that our camp wasn’t truly at the Summer Land high point, and it’s spot on with what I recall in nearly every other way.

OK, so I have two mapping programs: National Geographic Topo! and Garmin MapSource.

Now, I prefer Topo!, but my version of the product is ten years old and doesn’t work with a GPS device connected via a USB port … yup, still looking at my COM ports! As such, it won’t work with my GPS, but the maps are far more accurate and it’s just an all-around better product. Yes, even at 10 years old.

The MapSource product I have is also old … but only four years old. Even newer, it’s a bit of a rookie tool but it works perfectly with my GPS. No small wonder as they’re both Garmin products.

Where am I going with this?

Well, I’m trying to find a way to pull the data from the GPS into the MapSource tool, then save the data in a way my Topo! program can use, and then work with Topo! to map and analyze the route information! I still have to work through that but, bottom line, I’m on the way!

Stay tuned as I continue to play with this stuff and thanks for reading!


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