I already posted something on this here
The original URL:
http://www.habitablezone.com/space/messages/361132.html
Just remember what Ohio State University (OSU) did to the Big Ear radio telescope that had the longest running microwave SETI program - they sold it to a developer who scrapped the radio telescope and turned the land into a golf course!
Now you know why we haven't received signals from higher intelligences.
http://www.bigear.org/
