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Providing and operating an INMARSAT coast earth station
The potential of marine viewdata by satellite
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amplifier antenna gain applications areas array antenna band bandwidth beam beamwidth bit error rate bit rate C/No carrier centre circuit coast earth stations coding common TDM configuration coverage database dBHz developed distress Doppler EIRP elements elevation angle EPIRB equipment Figure filter frequency global helix INMARSAT INMARSAT system INTELSAT kbit/s L-band link budgets lobes MARISAT maritime satellite measurements mobile satellite modulation MSAT multipath navigation NAVSAT noise O O O O O O operation orbit output parameters pattern payload performance phased array polar processor propagation radiation radio range ratio received signal reflector RELP sate 1 lite satellite communication satellite system ship earth station shown in Fig spacecraft standard Standard-A subarray techniques telephone telex terminal traffic transmission transmitted transponder viewdata vocoder