Amateur Extra › E9 Antennas and Transmission Lines › E9A05
E9A05
What does the term “ground gain” mean?
Pick an answer to check it.
Answer: D. An increase in signal strength from ground reflections in the environment of the antenna
Ground gain is the boost in signal strength from radio waves reflecting off the ground near the antenna. Reflections add in phase at certain angles.
Tip: Ground reflections add ground gain.