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IEE Review

Issue 11 • Date 21 Nov. 1991

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  • How satcoms took off-the genesis of the communications satellite

    Publication Year: 1991, Page(s):379 - 383
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (388 KB)

    The author presents a historical overview of the communication satellite from the early 1950s with launch of Sputnik 1, through the 60s and 70s (including the LEO satellites, Echo, Courier and Telstar and the advent of the geostationary satellite) to the present day. He concludes that the now unquestioning acceptance of the technology has signalled that the communications satellite has come of age... View full abstract»

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  • Coal comes clean (thermal power stations)

    Publication Year: 1991, Page(s):385 - 389
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (445 KB)

    Coal-fired power stations provide some 40% of the world's electricity, making coal the prime fossil fuel for power generation. In 1989, world coal-fired capacity for electricity generation was over 800 GW, equivalent to an annual consumption of 1950 Mt. Here, however, the author details how coal's status as the dominant fuel for electricity generation is under threat, and describes, how, the coal ... View full abstract»

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