Which ionospheric region is closest to the surface of Earth?
AnswerThe D region
The D region is the ionospheric region closest to Earth's surface.
General · FCC ELEMENT 3
G3C01
General · FCC Element 3 · tap to reveal · auto reveal optional
General · FCC Element 3 · tap to reveal · auto reveal optional
The D region is the ionospheric region closest to Earth's surface.