K and A-Index for HF Planning
The K and A index are essential tools for predicting high-frequency (HF) radio propagation. These indices measure geomagnetic activity, which directly affects the ionosphere and, in turn, impacts how radio…
The K and A index are essential tools for predicting high-frequency (HF) radio propagation. These indices measure geomagnetic activity, which directly affects the ionosphere and, in turn, impacts how radio…