GPS, Running Watches, Phones, Accuracy and other stuff pt 5
So, I got myself a Garmin Forerunner 3 - a basic running watch from Garmin, good enough for what I need I also spent a bit of time re-plotting the route using the high accuracy OS Mastermap. MasterMap in my neck of the woods is captured at 1:2,500 - which means it is 99% confident to be within 2.4 meters of the real world - see https://www.ordnancesurvey.co.uk/business-government/tools-support/mastermap-topography-support - without going out with survey gear and stuff, it is as good as you can get in most of the UK. (Larger urban areas are captured at 1:1,250 but those be big scary places, like Exmouth) Using the new route I re-analysed the Gear Fit data and 4 runs with the Garmin, and here are the results - you can sort by the various measures (getting this working on Blogger took WAY longer than it should have) device error area samples device distance (Dd) OS distance (OSd) ...