Inspec keywords: ionospheric electromagnetic wave propagation; radiowave propagation

Other keywords: MF; HF; problems of F layer storms; midlatitude F2 layer; world wide predictions; effects of winds; space and time variations; extensive data; daily heating; theoretical values; ionospheric parameters; radio propagation conditions; low-latitude F2 layer; effects of various physical processes; F layer theory; upper atmosphere; ionospheric predictions

Subjects: F-region; Atmospheric, ionospheric and magnetospheric techniques and equipment; Ionosphere