Exo-IPM Scattering as a Gatekeeper of Narrowband Technosignatures: Implications for Broader SETI Searches
To the point
Gajjar and Brown warn that the star’s own activity and the surrounding turbulent plasma can distort and scatter radio signals from alien civilizations, making narrowband technosignatures harder to spot with instruments like the Allen Telescope Array, especially around M-dwarf stars, so searches should use broader, more flexible frequency strategies.
