Malaysian Airlines MH370 contact lost

[Fibreman]

MG23

Originally Posted by Shadoko on R&N

So, which distance are those microseconds values given in the "raw data" related to?
The data logs PDF says:

"The BTO is a value (in microseconds) relative to a terminal at a nominal fixed location. Only R-Channel messages are used."

Originally Posted by MG23

So it's not the actual round-trip time, it's the offset relative to an 'ideal' transmission from the aircraft.

Copy of MG23's R&N post