"John Smith" wrote in message
...
I came across this while looking up weather radar scales

http://njection.com/blogs/jalopnik/a...er-radar-picks
-up-car-doing-130-mph-offbeat-news.aspx

ATC radar will pick up cars as well. Modern radars have the ability to map
out such unwanted returns. It appears as if the weather radar in question
hasn't been properly optimized.