General › G4 Amateur Radio Practices › G4E02
G4E02
What is the purpose of a corona ball on an HF mobile antenna?
Pick an answer to check it.
Answer: D. To reduce RF voltage discharge from the tip of the antenna while transmitting
A corona ball is a smooth rounded tip that spreads out the high RF voltage at the end of the antenna. This reduces RF discharge (corona) from the tip while transmitting.
Tip: Ball tip stops corona discharge.