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Old 16th Mar 2012, 01:48
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PilotKarl_777-300
 
Join Date: May 2011
Location: Australia
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Flight Tracker Question!
Hi lads,

We've been discussing this for a while now among instructors and an Ex ATC, and I still haven't got a clear answer.

Where does information in accordance to a flight tracker app (e.g iphone/android/online) come from?

-GPS
-ADS-B
-Transponder
-ATC center

Thanks!

PK777-300.
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