A fascinating technology, Weak Signal Propagation, which is a digital radio communication protocol is proving a new tool to confirm the location of MH370 which disappeared just over seven years ago with 239 souls on board.
Put simply, imagine you had to hike across a prairie and every 2 minutes there were a bunch of tripwires that you could not see, that set off an alarm or put another way imagine you broke into a high-security bank and to reach the vault you had to cross a room full of laser beams (above) that you could not see and any one read more ⇒
Source:: AirlineRatings.Com