short wave fade

Alternative definitions (0), class: vernacular (0)
Term: short wave fade

An abrupt decrease of HF radio signal strength, lasting from minutes to hours, caused by increased dayside ionization from some solar flares. A SWF is one effect under the broad category of sudden ionospheric disturbances (SIDs).

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan