CNN Forensic Files April 9, 2014 06:40:00
The possibility is there that there won't be another signal, that they'll have to work with these four detections. how much longer will that mean this process will take? >> it's impossible to say how long the process will take if the battery does indeed die. pu in a sense, the fact that the signal is getting slightly weaker, it does indicate that it was -- this would be about the time that the battery would be weakening on the flight data recorder and the cockpit voice recorder. so in a sense, even though that's not a good thing, it is also a positive sign that this could, indeed, be mh-370. >...
Source: archive.org