The development of the Telesat domestic communication satellite system

A review of the development of the Telesat Communication Satellite System is given including a brief discription of the earth and space segments of the initial system. The growth and development of the earth stations and services since the start of operation in January 1973 are outlined with emphasis on services provided to remote northern communities. The most likely areas for future system expansion are reviewed and an indication of the possible space segment improvements for future satellites in the system given.