You may want to read up on the most effective way to use your PLB. From what I read this is the model Kate Matrosova carried that sent out inaccurate positions: http://www.vftt.org/forums/showthrea...l=1#post440884
For the record, I own Spot3 and it sent out plenty of locations in the past that were far from my GPS traces and sometimes so obviously wrong that they were a subject of ridicule from my family.