I noticed problems here in MN today. If I tried walking in a straight line to a cache following the line on the map page, it would swing back and forth 45 degrees both ways. It was tough to figure out just which way to go. Also, at times, my 60CSX would take me to GZ, but a few seconds later, it would tell me I was 65 feet away. That hasn't happened before, at least no that big a swing.