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

G3A01

How does a higher sunspot number affect HF propagation?

Select	Answer
A	Lower sunspot numbers generally indicate greater probability of sporadic E propagation
B	A zero sunspot number indicates that radio propagation is not possible on any band
C	Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies
D	A zero sunspot number indicates undisturbed conditions

---

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