I've only been using a CB for a few months, but I was quite amazed last night in the Nevada desert. I passed through Wells where there is a truck stop and local Bordello. The girls at "Donna's Ranch" take turns talking to passing truckers with interesting lines. I was able to hear her going eastbound for a whopping 40 miles. Of course it was faded somewhat after about 20 miles, but I could hear and understand her that far away. Pretty amazing. Also there would be zero source of interference (except other truckers) out in the middle of nowhere.