Widebody; Low Wing; 4 Turbojet Eng
Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 12
Situational Awareness; Troubleshooting; Distraction; Human-Machine Interface; Confusion
ATC Issue All Types
ATC Equipment / Nav Facility / Buildings
Aircraft X pushed on [Taxiway] A; creating false target on runway 25L at H6 and on [Taxiway] H at H8.  Also for 13 minutes when the aircraft was on the taxiway there was no target at all on ASDE-X! Other false targets; unrelated to Aircraft X; but nearly continuous on C [Charlie] near AA [Alpha-Alpha]; and on AA south of E17.Improve ASDE-X; there are false targets continuously on the airport.  What are we going to do when there is fog?
LAX Tower Controller reports of false target on a runway and no targets associated with the aircraft on a taxiway for thirteen minutes. Controller also reports of other false targets in various places on the airport.