CDC Vol 1, 017 **Did not Finish** Effects of Space Weather on Radio Waves

Question 1

• What is the primary characteristic of the ionosphere?

Answer 1

Its capacity to refract radio waves.

Question 2

• How do daytime HF frequencies differ from nighttime HF frequencies?

Answer 2

Daytime frequencies are always higher.

Question 3

• Which space weather event disrupts the entire vertical structure of the ionosphere?

Answer 3

A geomagnetic storm or aurora.

Question 4

• What plays a critical role in determining how radio noise from the sun impacts radio signals?

Answer 4

Geometry.