Satellite dish is a dish antenna which is in the shape of the parabola. These dishes are used to transfer the information and these make use of the radio waves in their transformation. Most commonly the satellite dish as the name represents are used to transfer the data to and from the satellite. The satellite dish is not a new technology but it is considered as one of the classical form of the technology. The earliest use of satellite dish was the dish antenna TV and this is the era of the 1970 when the satellite dish technology was in its earliest and was not as latest as it is today. Go here for more information about antenna.
The first TV which used the satellite dish transmission for its channel is the HBO. The various companies came after that and started using the satellite dish transmission to send their channels online. However, the quality was not as fine as it is today but still it was a big achievement for that time. The satellite dish Noosa introduced the concept of the cable and since these became this much famous that the manufacturer lifted the prices and not only was this expensive but it was a huge metal piece and only those people who were rich enough to afford both the expense and the space of the satellite dish purchased these. After some time, the trend for putting the satellite became obsolete and the prices of these decreased and then only the people belonging to such area where there was no cable TV made use of the satellite dish for getting the cable. But cable TV had its limitations and over the time the company manufacture and the IT sector realized the issues and problems which could easily be covered by the satellite dish. Due to this reason, the companies moved back to the manufacturing and usage of satellite dish. Now a days, almost every home in the USA is using the satellite dishes. Obviously, these are not the same as these were in the era of 1970. Their size has been reduced and the quality and number of channels have been increased.
There is still much more to the satellite dish and the technology is still in its phases of evolving but even with this much evolution many people have transferred from cable TV to satellite TVs already. The working of the satellite dish is similar to the broadcast TV and it is also a wireless system which provides the transmission in the house directly.