# Overview ### Erfurt ATC Stations
**Station** **Frequency** **Login** **SI** **Remark**
**ATIS** 133.455 EDDE\_ATIS ADE --
**Ground** 121.755 EDDE\_GND DEG to be opened **only** after Tower is staffed
**Apron** 121.905 EDDE\_A\_GND DEA **event only:** not to be staffed unless part of a rostered event
**Tower** 121.155 EDDE\_TWR DET **primary**
**Thüringen Low Süd** (Arrival) 126.175 EDDP\_TRS\_APP TRS --