plage radiation
1.This paper summarizes the analysis f the radio observations of the solar eclipse at wavelengths 3.2, 11.1 and 21 cm in Xinjiang on September 22, 1968 and the main results obtained are: the relation between the flux density of localized source and the activity of the active region on the solar disc, the correlation of the radiation of localized source with the plage and sunspot.
