Satellite Communication has become an indispensable part of our day-to-day life. What we are enjoying in the comfort of our homes has been made possible, because of satellite communication. Satellite Radio like World Space, Weather Forecasts, Cable TV, DTH (Direct to Home) TV, Internet, Mobile Telephony, Automatic Navigation of vehicles with GPS have been possible because of this unique system. With Google Map, we can access map of any locality in any town, in any country on the globe. Besides this, with GPS System, a car-rental company can monitor precise position. In addition to the above, very small Aperture Terminal Systems and financial transactions can be undertaken, on a real-time basis. Large business organizations can centrally monitor sale data on real-time basis to efficiently run the organization. An understanding of basic functioning of communication satellite and some of the applications like GPS system, Communication system, Forecasting will be Direct Broadcast System (DBS) for TV, with immense help in understanding these systems and exploiting full potential of these applications.
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