What IS That Thing?

by Admin, on Jul 10, 2014 12:00:00 AM

What do Wrigley Field, large white disks and Federal Signal have to do with each other?  WTTW Chicago's Geoffrey Baer answers this question from a viewer who wonders what's up with that weird object in left field. Watch the video from 6:03-7:19 to find out what IT is. Visit Federal Signal Alerting & Notification to learn more about our modulator siren.

 

Topics:FS A&N