[nxcl]

OK Stein, thanks for the extra info.

Regards
TS

[nxcl]

OK Stein, Thanks for that, I’ll check it out

[nxcl]

Sorry, but another question on GPSDumps distance calculations.

Could you clarify how GPSDump calculates distance between waypoints it reports in .kml output?

Is it correct to assume GPSDump reports Great Circle Distances between waypoints using FAI Earth Radius of 6371kms?

I use GSPTools to derive such GC distances, using the FAI’s radius of 6371kms but seem UNABLE to arrive at the exact same distances as GPSDump

As an example between the following waypoints….

Lat 51.742433 Lon -3.250483
Lat 51.574400 Lon -2.229950

GPSDump reports a distance of 73.05kms
Where as GPSTools reports GC Distance of 72.8327 kms

I’m unsure which is actually the correct answer, I suppose GPSDump is more likely to be correct, but I’m not sure why?

Any thoughts you may have to shed light on this discepancy would be greatly appreciated

Regards

[nxcl]

Stein, Many thanks. I think that clarifies and confirms what I needed to know

[nxcl]

Yes, I am and Yes, I would. However, not entirely sure what kind of help you are looking for and/or whether or not my skills would meet your standards?

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