Distress signal


 * Distress signal (Relay Tower 0SC-527) - found when extending Relay Tower 0SC-527
 * Distress signal (Relay Tower 1DL-109) - found when extending Relay Tower 1DL-109 near Oberland Station.
 * Distress signal (Relay Tower 0DB-521) - found when extending Relay Tower 0DB-521 in the Glowing Sea.
 * Distress signal (Relay Tower 0BB-915) - found when extending Relay Tower 0BB-915 on the western edge of the map.
 * Distress signal (Brotherhood of Steel) from personal beacons are used as part of the quest The Lost Patrol, each one leading to a dead Brotherhood of Steel member.

Bugs
As of patch 1.2, A settlement object made out of components of a distress pulser may sometimes emit a distress signal.