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Image:Marisat.jpg 200px Marisat Category:Spacecraft

... announced plans to launch a third maritime satellite, Marisat-C, for Comsat General Corp. from Cape Canaveral on a Delta rocket 14 Oct. Marisat 1, launched 19 Feb., was in orbit over ... , launched 9 June, was in orbit over the mid-Pacific at 176.5°. The two Marisats currently provided communications services to the U.S. Navy as well as fulltime commercial voice and data communications to the maritime industry; Marisat-C, which would be in synchronous orbit over the Indian Ocean, would be used initially ...

NASA launched Marisat 3, third and last in a series of Comsat General maritime communications satellites, from ETR ... since Feb. 1976, and Marisat 2, operating at 176.5°E over the Pacific since June. (The Marisat 3 mission was judged successful 3 Nov. 1976; the Marisat 2 mission see 9 June ...

... cost of about $138 million see During June . The Navy had begun using the Atlantic Marisat in March 1976, the Pacific satellite in June 1976, and the Indian Ocean satellite in Jan. 1977. Each of the three Marisats had a design life of 5yr and could operate in three frequencies: UHF (ultrahigh frequency ... . The Navy had leased all UHF capacity in all three Marisats for communications between its own fixed and mobile terminals. The Marisat system was owned and operated by four companies under a ...

... km southwest of the coast of Liberia. A second satellite, Marisat B, would be stationed over the Pacific later this year. Marisat 1 carried 2 channels each about 4 mhz wide, operating ... ships and offshore facilities with shore stations connected into domestic and international communications networks worldwide. Marisat mobile terminals had been purchased or leased from Comsat and installed on ships of a ...

... finalizing a contract with Exxon Corp. for five shipboard terminals for use with ComSatCorp 's Marisat maritime communications satellite scheduled for launch in summer 1975. McConnell also said that ComSatCorp had ... lease one shipboard terminal to Seagap, an oil exploration consortium led by Phillips Petroleum Co. Marisat would make available, for the first time, reliable voice, data, teletype, and facsimile communications to ...

... L-band transmissions, involving random variations in signal strength. The Navy operations used UHF frequencies. Marisat 1 was launched 19 Feb. into synchronous orbit over the Atlantic; Comsat General Corp.-86% owner and manager of the Marisat system-said tests indicated that the problems could be solved "with respect to the second ...

... News for this day. (1MB PDF) NASA announced plans to launch a second maritime satellite (Marisat) for the Comsat General Corp. later this month, as part of a system to provide ... the U.S. Navy, commercial shipping, and offshore industries. The first satellite of the system, Marisat 1, was successfully launched 19 Feb. into an orbit over the Atlantic at 15°W ... 25 Mar. NASA hoped to inaugurate full-time commercial voice and data communications, using both Marisats, by 1 July. A third satellite had been constructed as a spare. (NASA Release 76 ...

NASA launched Marisat 2, second in a series of ComSat maritime communications satellites, at 8:09 pm EDT ... spacecraft into a 36 000-km-altitude synchronous orbit at 176°E over the Pacific. Marisat was designed to transmit voice, data, facsimile, and telex messages to and from ships at ... in orbit, measured 2.1 m in diameter and was 3.6 m long. Like Marisat 1, which had been operating over the Atlantic since its launch 19 February, it carried ...

... General Corp. for the first time had realized revenues for the entire period from both Marisat and Comstar programs; in the third quarter a yr ago, the subsidiary had reduced ComSat ... of 1975; the increase was due to costs of the launches of INTELSAT IV-A , Marisat, and Comstar satellites. ComSat's gross operating revenues for the third quarter of 1976 totaled ... increasing more than $15 million over last yr's third quarter with the beginning of Marisat and Comstar services and continued growth in the number of circuits leased to customers of ...

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