Untitled single choice questi What is the approximate length of the driven element of a Yagi antenna?on
- A. 1 wavelength
- B. 3/4 wavelength
- C. 1/4 wavelength
- D. 1/2 wavelength
What does the Q signal "QRV" mean?
- A. I am quitting for the day
- B. You are sending too fast
- C. There is interference on the frequency
- D. I am ready to receive messages
Approximately how long is the typical sunspot cycle?
- 11 years
- 8 minutes
- 40 hours
- 28 days