Boston City Works beacon

The  is a localized radio broadcast that can be tuned into throughout a portion of the Commonwealth, in Fallout 4.

Characteristics
This signal is first discovered when the Sole Survivor activates the relay dishes at relay tower 1DL-109. The source of the signal can then be tracked to the Charles River Lock and Dam, which further leads into an interior section.

Appearances
The appears only in Fallout 4.