Anonymous User

Hamboozler

Logging in (or registering) will help the system to select questions that you need to focus on.

E3C05

What causes selective fading?

SelectAnswer
ALarge changes in the height of the ionosphere at the receiving station ordinarily occurring shortly after either sunrise or sunset
BSmall changes in beam heading at the receiving station
CPhase differences between radio-wave components of the same transmission, as experienced at the receiving station
DTime differences between the receiving and transmitting stations