Initial trials demonstrated that the GPS generated some location points that were not consistent with other location measurements. On examination these seemed to be a single value or glitch. This had two problems
•This added greatly to the "Distance Traveled" as two measurements taken at nearly the same point may be measured as many meters apart or traveled.
•Any plotting of all points showed up as a jagged track with rapid detours off track
As a result of this observation two lists of measurements are now kept.
•The original list of all Lat/Long readings
•A second list with "Glitch Suppression" where any point which has test points either side which are wildly different to the glitch measurement but which are very close together themselves is classified as a "glitch" and removed from this list and from any calculation of distance traveled. Ignore p(n+1) if p(n)=p(n+2)
