Separated family radio signal

The Separated family radio signal is a radio signal broadcast in The Commonwealth in Fallout 4.

Radio Signal Source
This signal is first discovered when the player activates the satellite dishes at Relay Tower 0MC-810. The source of the signal is in West Everett Estates inside an unmarked shed. There are doors set into the ground leading to an underground room named simply Backyard bunker. Inside the bunker, in addition to common loot, can be found an Armor workbench, a Trunk, Wayne's terminal, a safe, the ham radio and a bed. Wayne's terminal can be used to access the safe.

Transcript
As the Sole Survivor nears the signal source, the player will begin hearing this message on a loop if the signal is tuned-in on their Pip-Boy:

Appearances
The separated family radio signal appears only in Fallout 4.