  We detail new techniques for analysing ionospheric activity, using Epoch of
Reionisation (EoR) datasets obtained with the Murchison Widefield Array (MWA),
calibrated by the `Real-Time System' (RTS). Using the high spatial- and
temporal-resolution information of the ionosphere provided by the RTS
calibration solutions over 19 nights of observing, we find four distinct types
of ionospheric activity, and have developed a metric to provide an `at a
glance' value for data quality under differing ionospheric conditions. For each
ionospheric type, we analyse variations of this metric as we reduce the number
of pierce points, revealing that a modest number of pierce points is required
to identify the intensity of ionospheric activity; it is possible to calibrate
in real-time, providing continuous information of the phase screen. We also
analyse temporal correlations, determine diffractive scales, examine the
relative fractions of time occupied by various types of ionospheric activity,
and detail a method to reconstruct the total electron content responsible for
the ionospheric data we observe. These techniques have been developed to be
instrument agnostic, useful for application on LOFAR and SKA-Low.
