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Archive for August, 2007

Why Satellite TV is better than Cable TV

Friday, August 31st, 2007

Satellite TV is Making the Cable Companies Run Scared

Satellite TV holds a great advantage over the cable TV companies. Not only is the picture and sound quality superior, but there’s more choice in what to watch. If you said to yourself ‘there’s nothing on TV’, switch to satellite. The differences couldn’t be more obvious.

Cable quality vs. Satellite quality

With the limited bandwidth that cable offers, it’s no wonder the quality is poor. First, the cable wire comes from a hub transmission system somewhere near your home. At source, the signal is passable, but by the time it runs through your community, splitting to each house, the signal has degraded. As the cable is RF (radio frequency) based, it has converted from an audio/video signal (at source) to RF and then needs to re-convert back into audio/video for your television. Along the way, anything broadcasting through the air has tried to get into the cable line and will appear as noise on your TV screen.

Unfortunately, we are our worst enemy as well. Look at your cables and splitters inside your house. Poor quality RG6 or RF cable can cause great loss of signal too. Turn on your TV and have someone bend your cable in half and watch for ghosting on your picture. If it is ghosting, you have unshielded cables! Replace them with something better like Monster Cable. RF cable has a tough time producing stereo sound too, so don’t expect great audio. Another culprit of poor cable quality is the cable splitter. Most splitters have just a positive and negative wire inside (it’s a noise box). Throw it out and again replace with a good splitter (Monster Cable makes quality ones).

Satellite signals stay digital until the receiver. That means better picture and audio. The picture can be 2-3 times better resolution from your cable picture. The sound from the satellite receiver is true stereo and can be Dolby Digital surround depending on the program you are watching. Plus there are many more channels to choose from.

By the way, if you have a digital box from the cable company, you have only a handful of digital channels, the rest are the same if you remove the cable box.

Satellite companies like Direct TV (or DirecTV) and Dish Network, provide national satellite service with hundreds of digital stations. The picture is clear and crisp, especially if you spring for a high definition receiver to match your HD ready TV. While most cable signals are below 150 lines of interlaced resolution, standard satellite can approach DVD quality (480i) and HD content will be sent at either 1080i or 720p (progressive). A regular 27″ TV has the capability of no more than 500i while a HD television can produce the full range.

What are interlaced and progressive signals? Interlaced broadcast was developed from the old NTSC format where the designers in the 1920’s and 30’s couldn’t get the TV to scan every line from the top of the screen to the bottom fast enough. They needed to cheat by having the TV scan all the odd lines; 1, 3, 5 etc. then go back and scan the even lines; 2, 4, 6 etc. The result is thick black lines running horizontally across your screen and only half the picture appearing. These flickering lines prevented you from sitting close to the television without getting eye strain. As the TVs got bigger, you sat farther away.

The new HD televisions scan all the lines progressively and refresh the screen much quicker. It is like looking through your front window with horizontal blinds. Turn the rod so the blinds are half open. The street outside is now half covered like interlaced pictures and you only see half the picture at one time. Now pull the cord to fully open the blinds. You now see the entire window unobstructed or like a progressive signal.

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DirecTV vs. Dish Network — Which Is Better?

Thursday, August 30th, 2007

The satellite TV systems and services offered by DirecTV and Dish Network are almost identical — both offer more than 250 program channels, all-digital programming, HDTV (high definition TV) options, and DVR (digital video recording) capabilities.

So when you compare DirecTV to Dish Network you’ll discover the biggest differences between them are the subscription fees and programming.

Here is a blow-by-blow comparison of DirecTV vs. Dish Network …

Satellite TV Equipment

<> Direct TV offers free satellite TV equipment (the dish and receivers), and free installation in up to four rooms of your home. If you want a DVR receiver you will be charged an additional $49.99. The charge for HDTV receivers is $299.99.

<> Dish Network gives you free satellite TV equipment and free installation in up to four rooms of your home. You can get a DVR receiver or an HDTV receiver at no charge.

Satellite TV Programming

<> DirecTV offers 255 program channels, including movie channels, music channels, pay-per-view movies and events, sports packages, and international programming. Programming packages start at $41.99 per month for 115 channels.

<> Dish Network offers 256 program channels, including movie channels, music channels, pay-per-view movies and events, sports packages, and international programming. Programming packages start at $31.99 per month for 60 channels.

Customer Service

<> DirecTV has excellent customer service with 24/7 online support, and 24/7 toll-free telephone support.

<> Dish Network also has excellent customer service with 24/7 online support, and 24/7 toll-free telephone support.

Customer Satisfaction

<> DirecTV is ranked #2 in customer satisfaction among all the cable and satellite TV providers.

<> Dish Network is ranked #1 in customer satisfaction among all the cable and satellite TV providers.

The Bottom Line

Both DirecTV and Dish Network offer top-of-the-line satellite TV equipment and all-digital programming for the best picture and sound available.

Dish Network’s basic programming package is cheaper than DirecTV’s, but DirecTV’s Total Choice has a more channels.

Dish Network has more movie packages and foreign programming, while DirecTV offers more sports packages.

Brian Stevens is a professional freelance writer and webmaster who has written extensively on DirecTV and Dish Network. Click the following link for more information on DirecTV vs. Dish Network.Article Source: http://EzineArticles.com/?expert=Brian_Stevens

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How Does Satellite TV Work?

Wednesday, August 29th, 2007

How does satellite TV work? To understand this, you should know that satellite television works in the same way that a regular TV works. Radio signals are constantly transmitting programming that is received from a satellite that orbits our earth.

The satellites are orbited at approximately 22,000 miles above the earth, which is at about the same speed as the earth itself. This is called geosynchronous orbit and it means that the orbits of the satellites match the rate at which the rate at which the earth rotates. To a person on earth, it would appear as though the satellites aren’t even moving. This 22,000 mile distance also allows the satellites to remain stationary over certain areas, which in turn is the reason that your smaller satellite dish does not have to move at all.

Each satellite in the sky receives signals transmitted from a satellite provider and then re-transmits them to earth over a wide geographical area.

No matter which satellite provider you choose, they all have their own private satellites. Each and every satellite provider has broadcasting facilities and this is where they gather all of their programming from content providers. Content providers are companies like NBC, HBO, CNN, etc. The satellite providers check signals for quality, encrypt them for security and then transmit these signals back up to the satellites. The information is then in a way deflected back to your dish. Your satellite dish then gathers this information and sends all the signals back to your satellite receiver. Your receiver then processes these digital signals and converts them into digital and audio output for your television.

Satellite TV enables the viewer to receive access to hundreds of channels. With satellite television, you are able to choose the channels you would like to have programmed into your system; you can also remove certain channels if you choose not to have them. Satellite TV is a great way to have clear picture, great audio and a varied choice of programming.

For lots of information on dish network and other satellite tv related topics, visit Your Satellite TV Guide at http://www.yoursatellitetvguide.com/Article Source: http://EzineArticles.com/?expert=Ken_Wilssens

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