A mysterious or unexplained radio transmission without any known source.
SignalMysteryCommunicationRadio
Current best complexity is 102:
Phantom Signal can be discovered in Concepts, categorized under Signal, Mystery, Communication, Radio. A mysterious or unexplained radio transmission without any known source.
It has been discovered by 1 board and crafted 1 time, first appearing 6 days ago. Phantom Signal can be created from 1 recipe, and goes on to appear as an ingredient in 1 other.
Phantom Signal was first discovered by Evgast's board 6 days ago. They also hold the lowest-complexity recipe, at 102.
Related concepts worth exploring include Echo Chamber, Repetition, Beacon, Internet, Lost City, Radio, and 6 more.