In the previous part Sports GPS-tracker: start testing I’ve described the test “spherical GPS in vacuum ” with the results of track by fixed sport GPS tracker application.
These results were quite unsatisfactory. Remind that fixed device registered a fictitious “mileage” from 2.8 km (Strava and Sports Tracker) to 1.3 km (Runtastic) and drew fantastic tracks. The figures are indicative, but the principal investigator will treat them with reasonable distrust: the ideal-abstract test, of course is interesting, but better to estimate the accuracy of various sports applications in the real world. So I repeated the test in field conditions which are close to the battle. Continue reading Sports GPS-tracker: field testing