This signal is first discovered when the Sole Survivor activates the relay dishes at relay tower 0BB-915. The source of the signal can then be tracked to a ham radio inside a shelter to the west of the swimming pool of Fiddler's Green Trailer Estates.
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Anyone out there. If you can hear me, I'm trapped inside a bunker in... what is this? Fiddler's Green Estates. Got some crawlies outside. Nothing I couldn't normally handle, but I'm nursing a bum leg. Could use an assist.
This has been a pre-recorded message. Message repeats in three seconds.
The Distress signal appears only in Fallout 4.