SOME years ago considerable discussion took place concerning the relation between the constitution of the ionosphere and its refractive index for radio waves. The question at issue was whether the ...

A Falcon 9 rocket launched by Elon Musk's SpaceX earlier this month has made a temporary hole in Earth's ionosphere, American space physicist Jeff Baumgardner has claimed. Falcon 9, a reusable two ...

The Ionosphere Monitoring and Prediction Center (IMPC) is based at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) DLR Institute of Communications and Navigation in ...