Kakehashi

COMETS (Communication Engineering Test Satellite) a two-ton geostationary three-axis stabilized satellite, is being created to develop the new technologies required for future fields in communications and broadcasting. Relay satellites in geostationary orbit will be used to develop the following technologies: - Inter-orbit communications technology for relay of communications between observation satellites or space stations in low-altitude circular orbits and earth stations. - Advanced satellite broadcast technology for broad-band region-specific broadcasts and high definition television broadcasts using K-band frequency bands. - Development of advanced mobile satellite communications technology possessing reproduction relay and inter-beam connection functions by employing K-bands and miliband frequencies.