Unseen but Heard: Ham Radio Volunteers Help via the Airwaves

Imagine that some catastrophic event hits your community, and residents are unable to use telephones, the Internet, or other communication tools we take for granted. Did you know that there is a vast global network of volunteers ready to get help to you quickly and efficiently? While many think of ham radio operators as hobbyists, in truth they are a valuable resource in times of trouble. During the days following September 11, they demonstrated their value in a world of cell phones and e-mail. We'll learn more about these "invisible heroes" and how they contribute to their local and global communities.