Ohio State's Big Ear radio telescope records the 'Wow!' signal

When
Computer printout with the characters 6EQUJ5 circled and Wow! written beside them
A copy of the Big Ear printout on which Jerry Ehman circled the signal and wrote 'Wow!' Big Ear Radio Observatory and North American AstroPhysical Observatory (NAAPO), Public domain, via Wikimedia Commons

Ohio State's Big Ear radio telescope logged a strong narrowband signal that astronomer Jerry Ehman later circled and marked 'Wow!' on the printout. It was never detected again; Ehman called its origin an open question.

Sources

  1. FirsthandThe Big Ear Wow! Signal: What We Know and Don't Know About It After 20 Years (Jerry R. Ehman) (opens in a new tab)Big Ear Radio Observatory / NAAPO / 1998-02-03

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