The Public Broadcasting Service (PBS), in planning for its role in a domestic satellite system, must take into account the present service provided by AT&T as an absolute minimum requirement and also the anticipated opportunities for more extensive services that might be available. Any such expectation of increased services must be carefully analyzed with regard to cost. After briefly stating the requirements of a domestic satellite system for PBS and related organizations, some significant cost reduction techniques are discussed and finally there is presented the plan of an example satellite system meeting the operational requirements and incorporating the cost reduction techniques.