The Auroral Turbulence
II sounding rocket experiment was launched from Poker Flat Research Range after a
substorm onset into multiple auroral arc structures on February 11, 1997. Electric
and magnetic fields, particle populations and energies were been recorded. The rocket
data were compared with ground-based optical and magnetic measurements, as well as
with satellite data.
With this experiment auroral structures and field-aligned currents associated with the
substorm recovery phase were investigated. This provided details of the quiet and
auroral fine structure. Particular interest focused on disturbed auroral arcs, with
bright patches propagating along them like luminosity waves.