Originally Posted by
GarageYears
Thank you very much for that link it has answered my question have they got more accurate data from the regional beam, no they haven't because pings are handled by the global beam.
One of the comments also went along the path I did. Assuming a constant speed you can calculate the maximum distance between the rings of the hourly ping, and if it is less than this distance work out some other data. I suggested if the difference between max and actual was constant it would indicate a constant (but unknown track/hdg, in which case I favoured the southern route, suicide or dead and auto pilot on.
BTW perhaps we should all bookmark the link and use it to answer any future repeat questions,