A retired aerospace engineer, Richard Godfrey, analyzed radio wave propagation data from the Weak Signal Propagation Reporter network developed by hams to pinpoint MH370's crash site to a 300 sq mi area. This sounds like a lot, but previous estimates where hundreds of thousands of sq mi.
MH370 crash site identified with amateur radio technology
do this by entering the electronics bay and take control of the aircraft and lock out the pilot's controls. Obviously, Godfrey's flight path totally refutes this theory.
Here is the flight path report:
Captivating! I had no idea that WSPR analysees could produce such results. Thanks for the link to the paper. Cheers, John
This is from the Comments section of the following article:
Dave Pergamon, Perth, Australia, 2 days ago
I'm a radio ham and I know full well that WSPR is not technically capable of tracking aircraft movements. For starters, WSPR frequencies and power levels are far too low to detect aircraft and anyhow, WSPR radio waves travel in the ionosphere, 80 to 600 km above the Earth's surface, whereas maximum altitude commercial aircraft fly at is around 30,000 feet or about ten kilometres. No professional radio physicist or atmospheric scientist of any repute would put their names to this kind of pseudo-scientific BS.
The paper does state that the interaction with aircraft happens close to the locations where the sky wave refracts down to the ground and reflects up again. This means that the claim quoted above must have been made by somebody who had not actually read what they were claiming to be BS. Whether the results are accurate enough to give a useful search area is another matter. John
Yes, and those WSPR stations are all over the globe. In addition, I think I remember watching something on TV or YT about how the Russians or somebody used the disturbance of radio waves as a passive "radar" system. Actually, ISTR that it allowed the detection of a US stealth plane which was shot down. Another John
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