Radio: Four-Letter Words

Chicago's Educational Television Association, scheduled to go on the air over Channel 11, appealed for a distinctive set of call letters. Some 200 enthusiasts last week responded with education-slanted suggestions ranging from WPHD and WIQ to WTET ("Welcome to Educational Television"). Columnist Larry Wolters, in the Chicago Tribune, regretfully noted that several likely candidates were already in use: KNOW, WHO, WHAT, and WABC. Wolters suggested WHY.

The call letters for Chicago's Channel 11 will have to start with W, since the Federal Communications Commission has ruled that, in general, all station call letters east of the Mississippi begin with that letter and...