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| JSAT satellites are presented at a glance - the orbital positions of JSAT's satellites, transponder frequencies and the profiles of satellites, as well as primary specifications for each satellite. |
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| JSAT's primary ground facilities and their roles are explained. These ground facilities include the Yokohama Satellite Control Center (YSCC), the centerpiece of JSAT's satellite control operations, and an Hawaii earth station, which support international telecommunications services. |
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| The sun emits radiation at numerous frequencies, some of which
produce noise that degrades satellite communications signals. Signal degradation
due to solar interference is a key issue for satellite communications. |
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