bn:00024938n
Noun Named Entity
Categories: Ionosphere, Terrestrial plasmas, Articles with short description, Radio frequency propagation
EN
D-layer  D region
EN
The lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves WordNet 3.0
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EN
The lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves WordNet 3.0 & Open English WordNet
IS A
PART OF
WordNet 3.0 & Open English WordNet
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