Originally Posted by
Speed of Sound
Interesting!
Until now, most people with a knowledge of Inmarsat operation, latency and other errors have said that the 'ping distance' is accurate to +/- 5 km. If this new estimate of +/- 100miles is true, then even the very limited conclusions that can be drawn from analysing the 5 previous ping arcs would become virtually useless as the arcs become even more 'blurred'.
But any indication is better than 1/3 of the world surface, I have always assumed (yep dangerous) the shallower the angle the greater the spread of the beam, rather like a torch shining on the ground