Satellite TV usage has grown tremendously over the last few years. This is due to the features and the big variety of channels it provides: High definition quality, provides more than 350 channels to watch. This is why it is more used than cable TV. It gives you access to music channels, sports channels, movies, international channels etc.There are two kinds of programming sources: local channels (like Fox, NBC, ABC etc..) and national turnaround channels (such as CNN, HBO and ESPN). Most of the turnaround channels provide programming for cable TV, and the local channels display their content over the airwaves. These are not the only differences between local channels and turnaround channels.Turnaround channels usually use satellite systems to provide their content to the customers. The broadcast center uses large dishes to receive and emit analog and digital sources from several sources.Local stations don't use satellites. They use small local facilities that are composed of a few racks of communications equipment.Then, the broadcast center converts these signals into a high-quality stream. Since this stream is high-quality, it will contain a lot of data. So to transmit the signal, the broadcast center has to compress it.Cable vs SatelliteCable and Satellite TV are the two main contenders in the TV industry. As a customer, you will need to choose either a satellite TV provider or a Cable provider.Here are the advantages and disadvantages of each one of them:Satellite advantages: Satellite offers a bigger variety of channels. It also provides high-quality audio and video streams and is accessible in rural areas.Satellite disadvantages: It's expensive, especially if you want to buy all the equipment needed. You have to pay extra fees if you want satellite TV in multiple rooms. One of the biggest disadvantages is that satellite TV is affected by weather conditions.Cable advantages: Improved audio and video quality at a low cost. Can be easily setup in multiple rooms. Cable may be more suitable for renters and people who do not want to commit to a long-term contract. Cable TV hardly loses the reception signal, unless the whole system goes bad or cable lines are cut off somewhere along the route into the house.Cable disadvantages: Limited access in rural areas and extra cost if the provider updates his equipment. Also, service costs are affected by taxes.What to choose between cable and satellite TV?If you are renting or your place of residence is not permanent, you should choose cable TV. If you are well off financially, want high-quality or live in a rural area, you should choose satellite TV.DISH vs DIRECTV DISH has more variety in movies and shows and has more HD programming while DIRECTV has more sports program packages including the NFL Sunday Ticket.DISH is known for better customer service, but with 185 HD channels, DIRECTV has the most HD offerings.If you are concerned with price and storage capacity, DISH will be the choice for you. If you are a die-hard sports fan, you should go for DIRECTV.