sudden ionospheric disturbance

Alternative definitions (0), class: vernacular (0)
Term: sudden ionospheric disturbance

Any of several radio propagation anomalies due to ionospheric changes resulting from solar or geophysical events. Anomalies include short wave fades, enhancements of atmospherics, phase shifts, cosmic noise absorptions, and signal enhancements.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan