the solar flux index is a gauge of solar particles and magnetic fields reaching our atmosphere. higher numbers mean more solar wind is reaching the earth
post 26 Dec 2021
Propagation Solar Cycle Links →
HF and VHF frequencies recommended
Amateur Radio Usable HF Frequencies
Dx propagation wwv predictions
A dynamic collection of propagation information gathered from many different sources
VOACAP Online Prediction Services
Hf propagation prediction and ionospheric communications analysis
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Amateur Radio Usable HF Frequencies
A dynamic collection of propagation information gathered from many different sources
Hf propagation prediction and ionospheric communications analysis