Bandwidth overload, maxxed out SSR??
We used to keep TCAS on before, but some years ago there was a request by ATC here in Europe to PLEASE keep it to mode S on ground only.
It is also in almost any airport briefing here.
Bloggs, time to evolve. If and when AUS adds ground ops, or the airspace gets closer to capacity, you will begin to see the same.
Thanks for once again, trolling my posts! I have a stalker!