+Dread_Pirate_Bruce Posted January 22, 2013 Share Posted January 22, 2013 A strange thing happened while caching. My wife and I were doing geo-art caching in the Mojave Desert (the Route 66 logo - GC3NR77, etc.). We each had a Garmin 60CSX. After finding a cache, we'd head toward the next one using the compass arrow on the GPS. Most caches were about 600 feet apart across open desert. As we'd get to about 200 feet from the next cache, the arrow would start to veer as much as 45 degrees. We'd alter course and keep walking. The arrow would continue to veer and we'd continue to alter course. This would happen with cache after cache. Often, we'd actually pass the cache by 60 or 70 feet and have to swing back for it. We calibrated the compasses. (I finally gave up on the compass and walked a line based on the display in map view. That worked very well and got me within 50 feet, at which time, I'd rely on the compass.) Any ideas why the compass was doing this? Quote Link to comment
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