jATC

Now

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Enter a callsign (JetBlue = JBU + flight number).

For when ADS-B is out: copy lat/lon (or the nearest city) from FlightRadar24.

Waiting for a position…

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Keep screen on Use this device's GPS if ADS-B fails

Log (0 fixes)

Every fix and the top guess are saved in this browser. Export after the flight to compare with LiveATC archives.