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

E3C15

What might a sudden rise in radio background noise indicate?

Select	Answer
A	A meteor ping
B	Long-path propagation is occurring
C	A solar flare has occurred
D	Increased transequatorial propagation likely

---

Hamboozler: Copyright 2007 Four Batons Technology. All rights reserved.
By continuing to use this site, you are agreeing to the Privacy Policy and Terms of Service.
Contact Us