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

G3B12

Which of the following is typical of the lower HF frequencies during the summer?

Select	Answer
A	World-wide propagation during daylight hours
B	Heavy distortion on signals due to photon absorption
C	Poor propagation at any time of day
D	High levels of atmospheric noise or static

---

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