Results from EDGES High-Band: I. Constraints on Phenomenological Models for the Global $21$ cm Signal

Raul A. Monsalve, Alan E. E. Rogers, Judd D. Bowman +1

We report constraints on the global $21$ cm signal due to neutral hydrogen at redshifts $14.8\ge z\ge 6.5$. We derive our constraints from low foreground observations of the av…