Tweaks

FlightAware ADS-B Flight Tracking
33

It may be because

  1. You have not set your receiver location
    AND/OR
  2. Have not enabled MLAT

Please see following thread and set Receiver Location.
On configure page having “Configure Location” button, there is also an option to Enable/Disable MLAT. Choose the Enable option

For Beginners - How To Set Receiver Location

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