Cubs historical sleuthing: The original WGN-TV mobile unit

Next Monday is the 70th anniversary of WGN-TV’s first baseball broadcast.

I’ll have a full article on that event then, but wanted to share with you now the date that this photo, showing WGN-TV’s mobile unit, was taken.

I sent it to Mike Bojanowski and asked him to enhance the scoreboard shown in the photo so that we could figure out the date.

First, he sent me the scoreboard matchups as shown:

NL: CUBS/ST. LOUIS, PHILADELPHIA/BROOKLYN, NEW YORK/BOSTON, PITTSBURGH/CINCINNATI

AL: SOX/ST. LOUIS, WASHINGTON/PHILADELPHIA, CLEVELAND/DETROIT, BOSTON/NEW YORK

This is immediately helpful. Since we know WGN-TV broadcasts began in 1948, and the Boston Braves moved to Milwaukee in 1953, this narrows down the…