In every episode as the perspective is the station's lobby (Jennifer's work area) the glass door from the hallway into the lobby shows the call letters as the viewer would normally read them. They should be on the outside of the door, making them look backwards from inside the lobby.
In the pilot episode, WKRP was losing money and Mama Carlson was initially too impatient to implement Andy Travis's plans to turn their fortunes around. However, in the last episode, it is revealed that WKRP was never meant to make money, but be a tax write-off.
Les Nessman is a bachelor, but he often is seen wearing a wedding ring.