Abstract: A common channel video communication system for providing a piggy back transmission television field comprising a plurality of television video scan lines over the common channel. The television field is comprised of both at least one video displayable row of video data characters contained in a pseudo video scan line occupying one of the plurality of television video scan lines and normal television video displayable information occupying the balance of the plurality of the television video scan lines. The common channel provided piggy back transmission television fields enable the provision of conventional television as well as real time updateable row grabbed information.