There, you'll find a locked entrance to the B 887126 Control Room with no sign of ... which is where you can grab the Casterfell Woods Radio Tower Keycard. You can go through this tunnel from ...

Agree to work with Joyce, and she'll remotely unlock the radio towers in Casterfell Woods, Slatten Dale, and Skethermoor, allowing you to reach the control ... to the main room and take an ...