With all this doubt on whether the ULB pings were from the MH370 ULB. would it be an idea to modulate the ping with an aircraft/equipment ID? This would be extremely simple circuitry which would take little power but would stop these guessing games. The ping would then be indisputably from a particular aircraft and definitely not a 'natural' source.
Last edited by Ian W; 18th Apr 2014 at 13:20.
Reason: grammar