Wednesday, January 20, 2010

Satelite Internet

There was a time when satellite internet meant a lot of expenses, a huge reception modem, in addition to a huge effort and cost in maintenance. But, in this modern world, these modems have become compact and highly efficient for which they are available in almost every home. As satellite internet can capture signals anywhere on earth, it is better for those who stay out of the coverage of terrestrial modem or cable services. Normally, the regular modem uses radio waves which travel in straight line to transmit the signals. And also, you need to have your own internet modem in direct line with the main station terrestrial modem in order to receive these signals. But, in the case of satelite internet, the signals are sent from the main modem to the satellite, which acts as both a receiver and transmitter. As the satellite orbits the earth once exactly every 24 hours making it stationary according to the movement of the earth, it made possible for the satellite to distribute the signals to an immensely large area by its mere positioning. The best is that the satellite internet allows individuals to fast connections, making even in rural and remote areas where DSL lines are not available.

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