The origin of the broadcast is a ham radio in a shelter at Big John's salvage. The hatch is in a tipped train car in the junkyard but is, as mentioned in the broadcast, shut tight. The hatch can be opened by flipping the circuit breaker in the hardware store slightly to the north of the main building.
This has been a pre-recorded message. Message repeats in three seconds.”
Miller family radio signal appears only in Fallout 4.
pc xboxone ps4 The bunker may become sealed again after exit. The generator has already been switched on, so there is no way to enter the bunker besides using console. [verified]