2,377 research outputs found

    Experiment Definition Using the Space Laboratory, Long Duration Exposure Facility, and Space Transportation System Shuttle

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    Candidate experiments designed for the space shuttle transportation system and the long duration exposure facility are summarized. The data format covers: experiment title, Experimenter, technical abstract, benefits/justification, technical discussion of experiment approach and objectives, related work and experience, experiment facts space properties used, environmental constraints, shielding requirements, if any, physical description, and sketch of major elements. Information was also included on experiment hardware, research required to develop experiment, special requirements, cost estimate, safety considerations, and interactions with spacecraft and other experiments

    Korea\u27s Lead in Mobile Cellular and DMB Phone Services

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    Now that the number of cellular phone subscribers is over 1.6 billion in the world and over 180 million in the United States, it is an appropriate time to consider Asia, the “new” wireless economy, with respect to mobile telephony. Several major cellular phone service providers chose Korea as a testing ground to assess the effects of third generation (3G) technology and deployment. Several Korean mobile carriers plan to roll-out the world’s first handset-based satellite digital multimedia broadcasting (DMB) services via cellular phones. This letter presents a status report on cellular phone services and applications in Korea. It also describes nine major factors influencing Korea’s status as a leader in mobile cellular phone and services. An important influence is the younger generation of cellular phone users in Japan and Korea who associate the cellular phone trend with their social status
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