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Large communication area. Any two places within the coverage of radio transmission by satellite can communicate with each other. |
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Seldom effected by land disaster ( high reliability) |
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Circuit can be started upon establishing earth station (prompt circuit starting) |
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Can be received at many places simultaneously, and realize broadcast, multi-access communication economically( feature of multi-access) |
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Very flexible circuit installment , can disperse over-centralized traffic at any time. |
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One channel can be used in different directions or areas (multi-access connecting). |