Fw: Fw: Trail Milage and GPS and bikes

["Dolores Arste" <darste@emi.com>]

>
> The big inaccuracy for GPSs comes from how often it samples your position
> and whether it does error-averaging.  I think they're really accurate for
> driving -- not enough zig-zags to add up to a big error and speed is
> generally more constant for longer period of time.   But even with a 24 ft
> error it could have you jumping from side to side on a road or trail.
Its
> just that in a car you've covered a greater distance in the same time
frame
> so th effect is a lower percentage.
>
> Since its all just a computer program, I'll bet they come out with many
> more features and capabilities in the future.
>
>