LiveATC Discussion Forums
Air Traffic Monitoring => Listener Forum => Topic started by: trenaj on December 16, 2009, 12:28:26 AM
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I was listening to JFK chatter on 15Dec09 and at the same time following flights on www.flightaware.com when I noticed that departing flights seemed to appear on flightaware approx. 30 minutes (!) before I heard the pilots/controllers arrange their takeoff and departure routines. That surprised me - I can see that data on flightaware is delayed, but the other way around, and in particular by a full 30min surprises me. Does anyone have insight into this?
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Was actual en-route data coming in early, or was the flight just listed with a scheduled departure time from a filed plan?
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The delay usually runs between 5 - 7 seconds and varies by feed and listener connection. You may have seen proposed flight plans on FlightAware without departure and enroute data quite yet. FlightAware data is approximately 5 minutes behind real time.
Best,
Jason
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One thing that threw me when I was listening to my Burbank feed was that sometimes I would stop/start the player (I was using Windows Media Player). Normally it picks back up with the real-time audio, but a few times it has started playing back the last segment that I had already listened to. When I started recognizing tail #'s and snippets of conversation, I realized what was going on.
Is it possible that that's why you seem to be hearing stuff that already happened?
Brian
Your KBUR feeder