The seven-element NRLMSISE-00 Ap history at one epoch, with the
least-trusted row class consulted, whether the quiet default Ap stood in
for a blank daily Ap (ap_defaulted), and how many three-hour bins were
filled from a row's daily Ap (bins_from_daily_ap).
Summary
Types
@type t() :: %Sidereon.SpaceWeather.ApHistory{ ap: [float()], ap_defaulted: boolean(), bins_from_daily_ap: non_neg_integer(), class: Sidereon.SpaceWeather.observation_class() }