Originally Posted by
physicus
This is neat, if it was really done... What's ADS-B coverage at 10'000ft out in the middle of the mediterranean like? It isn't, that's what it is like... They must have supplied the track data to FR24 after the fact. Or just plain made it up in that case... who knows.
Distance to horizon if you are at 10000 ft is about 122 miles. Seems to be less than that to cyprus in this case, so with a nicely placed receiver there (think mountain+tower) it should be no problem. Also I think theyve started with limited satellite based ADS-B sometimes.