You also don't need to be on the plane. A typical ADS-B transmitter can be picked up pretty easily from over 100 miles away--I can broadcast to every aircraft over Los Angeles from my backyard if I want.
I don't know about ACARS, but I would imagine it's similar.
You also don't need to be on the plane. A typical ADS-B transmitter can be picked up pretty easily from over 100 miles away--I can broadcast to every aircraft over Los Angeles from my backyard if I want.
I don't know about ACARS, but I would imagine it's similar.