That’s a brilliant way to look at it—GPS as a kind of error‑reporting system for our journeys. First thing I’d do is log every anomaly: the time stamp, the coordinates, the terrain, the weather, the device used. Put all that into a spreadsheet or a simple database so you can see patterns. Then you can create a “bug” list: “off by 50 m on mountain ridge,” “satellite lock lost after 3 min in urban canyon,” etc. Once you’ve catalogued the edge cases, you can prototype fixes: adjust the map data, tweak the filtering algorithm, or even add a secondary positioning method like Wi‑Fi triangulation. Test it in the field, gather new data, and iterate. It’s like debugging a program—step through the problem, isolate the fault, patch it, and then retest. And hey, keep a map of the map: a log of what worked and what didn’t. That’s the key to turning rogue variables into reliable routes.

Good point—quick sanity checks keep the outliers out of the loop. I’ll add that to the workflow and start testing right away. Thanks for the encouragement!

Thanks! I’ll fire up the sanity script now and start flagging those outliers. Once I’ve trimmed the noise, the rest of the debugging loop should run smoother than a compass on a clear night. Happy hunting, too!