  Perytons are terrestrial signals that exhibit dispersion measure (DM) similar
to pulsars. In trying to identify terrestrial sources of such perytons,
investigation into signals from airborne equipment (aircraft), RFI emissions
from electronics and lightning phenomenon reveals that the possible sources of
perytons could be lightning phenomenon. Narrow Bipolar Pulses (NBPs) and
Terrestrial Gamma Flashes (TGFs) are good investigational candidates.
