Reply to post: Re: But how?

Sweet TCAS! We can make airliners go up-diddly-up whenever we want, say infosec researchers

SkippyBing

Re: But how?

A drone could, I think it would need to be reasonably large to carry the equipment. If you're happy with a fixed position you could do it with ground based equipment as the height is encoded in the return from the transponder and is easy to change by feeding it information from a modified altimeter. Before anyone gets too excited about doing it on the approach to an airfield the Resolution Advisories are suppressed below 1000' AGL to stop aircraft getting told to break off an approach because someone has turned their transponder on on the ground.

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