Per-constellation, per-code observation completeness row.
Summary
Types
@type t() :: %Sidereon.GNSS.QC.SystemSignal{ code: String.t(), snr: Sidereon.GNSS.QC.SnrStats.t() | nil, ssi: Sidereon.GNSS.QC.SsiHistogram.t() | nil, system: String.t(), value_observations: non_neg_integer() }