In 1957 , WOR ended its relationship with Mutual .
In 1957 , WOR became an independent station , with Mutual 's New York outlet becoming WAAT in Newark ( today WNYM Hackensack NJ ) .
In 1957 , WOR ended its relationship with Mutual and became an independent station , with Mutual 's New York outlet becoming WAAT in Newark ( today WNYM Hackensack NJ ) .