The Leeds island site went on air on 25 March 1968 as a response to the imminent opening of Yorkshire Television formerly part of the Granada Television area .
Yorkshire Television is the new ITV contractor based in Leeds serving the area east of the Pennines .
The Leeds island site went on air on 25 March 1968 as a response to the imminent opening of Yorkshire Television , the new ITV contractor based in Leeds serving the area east of the Pennines , formerly part of the Granada Television area .