Groundspeed, not airspeed. | Hacker News

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		jacquesm 66 days ago \| parent \| context \| favorite \| on: Somebody used spoofed ADSB signals to raster the m... Groundspeed, not airspeed.

RandomTeaParty 66 days ago [–]

hundred knots of wind on demand is also not a small invention :)

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