Where does this definition of ionospheric propagation come from?
This entry for ionospheric propagation is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does ionospheric propagation appear elsewhere on Lughet?
Yes — ionospheric propagation appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.