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The authors of the new study are physicist and avionics expert Richard Godfrey, Dr. Hannes Coetzee and Professor Simon Maskell. They used an archive of records of radio waves transmitted by ham operators at the time to identify and track MH370 where there was no radar coverage and only intermittent satellite data transfers, or pings.
Scientists have found that the movement of aircraft through these radio waves is visible in the data recorded by what is known as the Weak Signal Propagation Reporter Network, or WSPRnet, better known as "whispernet." The idea of using amateur radio signals as a passive radar system to detect and track aircraft was first proposed in a NATO paper written by the Finnish Air Defence Academy in 2016.
Using whispernet data, Godfrey and his co-authors were able to ascertain that the plane banked south into the Indian Ocean and flew for seven hours 35 minutes before it ran out of fuel and then glided for 11 minutes before subsequently crashing.
They have been able to verify67 positions along the flightpath. The results of the study correspond with analysis of the flight by Boeing, and also with satellite tracking data from company Inmarsat. Its satellites made routine hourly datalinks, known as "handshakes" or "pings" with the flight. The study also corresponds with analysis by the University of Western Australia of the drift patterns of floating debris that has been recovered from around the Indian Ocean.
The new study updates and improves an earlier flight path report created by the same team using WSPRnet which was published in December 2021.
In an exclusive interview, Godfrey spoke to Knewz.com about the significance of the enhanced study data.
“It represents the most accurate and detailed record of the path the plane took and hence the most accurate estimate of the crash site at the end of the flight path after fuel exhaustion,” he explains.
“Broadly we can identify a probable crash site area of ocean 70 nautical miles by 42 nautical miles within which there are hotspots where the likelihood that the aircraft will be increases."
originally posted by: kwaka
One thing that stuck out with the MH370 case, there where about 12 people on board who all held shares in a new microprocessing technology. With them gone, the patent fell into some Rothchild held hands.
Since this event, there has been some changes in corporate policy to not have all eggs in one basket when travelling around.
I ran across the idea maybe a year ago or so. At first I was excited by the prospect, but then I found some critiques saying it was more wishful thinking than practical. I don't know how accurate that is or what the chances are it would work, I haven't investigated that deeply yet.
originally posted by: grey580
I came across this today.
Location of Crashed Malaysian Airlines Flight MH370 Pinpointed, New Search Will Be Quick, Avionics Expert Says
Researchers used ham radio waves as a passive radar to "track" flight mh370. If this technique works, they might actually be able to locate the wreckage and get the black box.
While it is an exciting theory, it is unfortunately considered by most experts as highly unlikely to yield any suitable results with the main problems being WSPR transmission power too weak to detect reflections from an aircraft, and the effect of the ionosphere too difficult to account for.
Over on his blog Nils Schiffhauer (DK8OK) has posted a thorough critique of the idea, explaining the theory, technical details and difficulties in depth, ultimately coming to the conclusion that the idea is based more in wishful thinking than in fact.
originally posted by: jrod
a reply to: ArMaP
This is what i meant to post there:
It is likely just small portion of a much bigger picture that is cropped out to just show the plane, but this angle certainly looks like it is from above, but at an angle.
Just going off what is known about USA-229, I am guessing it has at orbital period around 120 minutes, so it could 'watch' an area for at least 20 minutes if it is in the right spot...