Ham Radio General Class Test Practice Test
Ham Radio General Class Test FREE Ham Radio General Class Test Radio Wave Propagation Questions and Answers 3
What is 'gray-line' propagation?
Select your answer
A
Propagation along the twilight zone between daylight and darkness on the Earth
B
Propagation through heavy cloud cover
C
A type of ground wave that follows terrain contours
D
Signal reflection from rain clouds
Hint
