The rule is that US stations west of the Mississippi river begin with K, US stations east of the Mississippi river begin with W, and Canadian stations begin with C. Exceptions are older stations.
Here are some other interesting call signs:
| CHAT | Medicine Hat, Alberta | |
|---|---|---|
| KENO | Las Vegas, Nevada | home of keno and other gambling games |
| KIDS | Springfield, Missouri | children's format |
| WADE | Wadesboro, North Carolina | |
| WASH | Washington, D.C. | |
| WEST | Easton, Pennsylvania | seems contradictory . . . |
| WHOM | Jersey City, New Jersey | |
| WING | Dayton, Ohio | birthplace of manned flight |
| WOW | Omaha, Nebraska | My station while in high school! |
| WREN | Topeka, Kansas |