I'm not sure those were signal strength or timing measurements but in any case we were told that those measurements provided a range calculation from satellite to MH370.
The image below shows (in purple) the two possible paths that the aircraft took based on these hourly pings. One northern path crosses over India and would have, I would assume, allowed for detection of the aircraft by many radar surveillance systems in that country and others. The southern path is far from any possible radar detection, heads for the suspected debris field and ends there.
It seems pretty likely to me that this plane "landed" in the ocean off the coast of Australia. Not a good spot.
