Timing CRLB and DOP for a proposed source and sensor geometry.
DOP values multiply timing sigma in seconds to produce metres for position terms. Covariance is scaled by the requested timing sigma.
@type dop() :: %{ gdop: float(), pdop: float(), hdop: float(), vdop: float(), tdop: float() }
@type t() :: %Sidereon.SourceLocalization.Crlb{ covariance: Sidereon.SourceLocalization.Covariance.t(), dop: dop() }