ili:i82071
http:| rdf: | type | |
| skos: | definition | the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission |
Cross-lingual relations
| ∴dns: | linked concept |
Other
| Source | http: |
∴ fully or partially logically inferred