Suunto 9 – Breaking FusedTrack

The new Suunto 9 showcases Suunto’s new FusedTrack feature. Here’s how it works and it only works for running: GPS positions are sampled infrequently (Endurance Mode 60 secs & Ultra Mode 120 secs). Between those points the Suunto 9’s motion sensor provides inputs to a directional algorithm to joint the dots BUT it does not…