Predicting low ionospheric parameters and low frequency sky wave propagation strength using machine learning.

9 a,b, R h based on the ITU model exhibits an increasing trend from south to north, whereas that based on the PRO model demonstrates an increasing trend from southwest to northeast.

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While the ITU model shows a decreasing trend in f o E from south to north, the PRO model exhibits a decreasing trend from southwest to northeast.

also in 47,180 other papers