Nautical radio signal
Mayday, mayday, mayday! This is merchant vessel Western Bell. We are in immediate need of assistance, over. Boston, this is the Western Bell. We have no power and we're in very rough seas. Do you copy? Hey, we need help out here! Where the hell is everyone?
This has been a pre-recorded message. Message repeats in three seconds.
The Nautical radio signal appears only in Fallout 4.