Longitudinal effect in the dependence of the critical frequency of the midlatitude E layer on solar activity for these conditions. (b) This effect is almost absent in summer;
i.e., the difference in foE dependence on solar
Longitudinal effect in the dependence of the critical frequency of the midlatitude E layer on solar activity for these conditions. (b) This effect is almost absent in summer;
i.e., the difference in foE dependence on solar
Dependence of the Annual Asymmetry in NmF2 on Geomagnetic Latitude and Solar Activity (SDMF2 model). As a characteristic of this asymmetry, we used the R index,
i.e., the January/July ratio