Satellite Communication is able to send multi-channeld informations simultaneously including television traffic and has a merit which is easly connected to each other among earth stations. Therfore it has a important position as a international telecommunication system. But according to the diversities of telecommunication tn its quantity and quality, there must be introduction new high-capacity communications satellites or new telecommunication systems for a large step forward in international communications. To do so, there must be reexamination or complement in international conventions or regulations related to satellite communication as a basic background.