How do I enter the secret room in the Radio Station?

In order to enter the secret room, you'll have to place the pass code. This changes often and you need to tune in your radio in order to enter.

The Radio can be created by crafting, you can find it under your furniture blueprints. You'll need the following items in order to craft one:

3 Pine Plank

5 Iron Bar

1 Wiring

Once you have your radio, you can tune in and turn the dial until you get a message regarding the pass code. Be careful when heading to your destination as always, and make sure you have neough inventory.