Output ========== .. java:package:: com.atc.simulator :noindex: The *Prediction Service* is designed to be able to output to a single client application using protocol buffer encoded data via a tcp connection. The output data consists of a :java:type:`flightdata.Prediction` object per aircraft currently being tracked by the system and contained in the :java:type:`flightdata.system_state_database.SystemStateDatabase`. Output is currently handled by the :java:type:`prediction_service.PredictionFeedServerThread`.