 The earliest measurements of TV audiences were performed by the C. E. Hooper company of New York . DuMont performed well in the Hooper ratings ; in fact , DuMont 's talent program , The Original Amateur Hour , was the most popular series of the 1947 – 48 season . Variety ranked DuMont 's popular variety series Cavalcade of Stars as the tenth most popular series two seasons later . 
 The earliest measurements of TV audiences <a href='uninflect' title='1'><mark>were</mark></a> performed by the C. E. Hooper company of New York . DuMont performed well in the Hooper ratings ; in fact , DuMont <a href='null_genetive' title='2'><mark>'s</mark></a>talent program , The Original Amateur Hour , was the most popular series of the 1947 – 48 season . Variety ranked DuMont <a href='null_genetive' title='3'><mark>'s</mark></a>popular variety series Cavalcade of Stars as the tenth most popular series two seasons later . 
Da earliest measurements of TV audiences was performed by the C. E. Hooper company of New York . DuMont performed well in the Hooper ratings ; in fact , DuMont  talent program , The Original Amateur Hour , was the most popular series of the 1947 – 48 season . Variety ranked DuMont  popular variety series Cavalcade of Stars as the tenth most popular series two seasons later .