Since the emergence of satellite TV way back in early 1960s, the trend has gained large usability among different users. Gone are the days of early technology when the only way to get a signal was with a huge and ugly dish sitting on the roof of your house, which was characterized by poor picture quality. Today's picture is crystal crisp, which is commonly produced by today's satellite technology.
Satellite TV works by means of communication between a satellite dish, a satellite receiver and the global communication satellite. About 35,000 km away from the surface of the earth the whole set communicates via the use of signals transmitted by solar orbits in space.
All the fun begins when a station, sometimes referred to as an "uplink station", send its signal by using an extremely powerful and expensive antenna toward the row of satellites that are nested in the sky. The satellite dishes that are used are very large in radius and diameter so as to increase the accuracy to the orbiting station receiving the signals. After that, the transponder resends the signals back to the earth for your satellite TV.
As a result of technology and very smart scientist and engineers, satellite TV, especially the quality of the picture, has improved tremendously since its inception. In the beginning, the signal and picture quality were poor, largely a result of poor reception and the atmosphere. As improvements in technology surfaced, there came such equipments as parabolic receiving dishes which put an end to poor signal quality. In the early days, there was a major problem with the sound not being in sync with the picture. However, satellite TV experts came up with low noise amplifier to tune in the sound-image accompaniment.
Another aspect that has changed about satellite TVs is that the costs of equipments; and the expenditure of installation has tremendously gone down. This is due to the cheaper alternatives that have been employed as far as technology is concerned.
Digital technology has emerged as a game changer in this arena over the last few years. Satellite TVs have gone digital too. This is an improvement to the previous standards like PAL and NTSC. As this technology continues to grow you will see an increased number of people subscribing to some form of digital TV. Soon watching satellite TV on your computer and connecting the signal to your HDTV will be the next big trend.
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