The Wow! Signal, 15 August 1977: 72 Seconds From Sagittarius — updates · Anomaly LedgerAppend-only living-dossier updates for “The Wow! Signal, 15 August 1977: 72 Seconds From Sagittarius”.https://theanomalyledger.com/en-usCase file opened: The Wow! Signal, 15 August 1977: 72 Seconds From Sagittariushttps://theanomalyledger.com/cases/wow-signal-1977/https://theanomalyledger.com/cases/wow-signal-1977/A narrowband radio signal hit Ohio State's Big Ear telescope once and never came back.Sun, 25 Oct 2026 00:00:00 GMTPublished