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More info on : DIRECTV

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How Does DIRECTV Satellite TV Work?

DIRECTV satellites are placed into a geosynchronous orbit about 37,000 km (22,300 miles) above the earth and always remain above the same point on the earth's surface so that all DIRECTV dishes on the earth can be pointed at a fixed satellite location.

DIRECTV shows, movies, music, etc. are broadcast from an "uplink center" where programming from cable television networks and local programming from broadcast networks is collected and encrypted so that the programming cannot be intercepted by non-paying users. The uplink facility uses a dish that is 9 to 12 meters wide to accurately send a high-strength signal to the orbiting DIRECTV satellite.

The DIRECTV satellite converts the signal to a different microwave frequency band to ensure that the downlink to a subscriber's dish is not affected by uplink interference.

After traveling more than 50,000 miles, the DIRECTV signal reaches your dish on the outside of your home, office, or facility. The signal received is focussed by a bowl-shaped parabolic dish onto a device in the center of the dish called a "feed horn", which channels the signal to a "low-noise block downconverter" (LNB) which filters out unwanted interference, and sometimes converts it to another frequency before amplifying it and sending it to the satellite receiver box located inside your house, office, or facility through a coaxial cable.

A DIRECTV satellite receiver box converts the signal to television, audio, and/or data signals and may be may be equipped to decrypt the coded signal itself. You may be supplied with a "smart card" as well to decode the signal.

DIRECTV receivers also include integrated digital video recorders (DVRs) that allow you to rewind and pause live television and to record and store shows on a built-in hard drive. In addition, DIRECTV receivers offer high-definition television (HDTV), pay-per-view events and movies, interactive television channels, and video-on-demand (VOD) channels.



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 ATT T1 Network = Reliability

Written by: Patrick Oborn - Sep 7, 2008

So reliability is important to you in your search for a connection? You may want to consider an ATT T1. ATT T1 lines have one of the highest SLA of any major carrier and the service is backed by an organization that has been in telecommunications for 113 years. If you're looking for superior quality, reliability and customer service consider buying a T1 line from ATT.

As mentioned in previous articles in the publication reliability is critical when setting up lines that will be the lifeline of your company. AT&T is among the world's premier voice, video and data communications companies, serving consumers, businesses and government. In 2000, AT&T had annual revenues of nearly $66 billion. Backed by the research and development capabilities of AT&T Labs, the company runs the world's largest, most sophisticated communications network, and is the largest cable operator in the U.S. The company is a leading supplier of data and Internet services for businesses and offers outsourcing, consulting and networking-integration to large businesses.

If you're convinced that ATT is a good solution for you but don't want to pay the price we have found another alternative. ACC Business, a division of ATT will sell the same service over the same network for a lower price! How is this possible? It's much like buying a generic brand and getting the same quality as the name brand. ACC was a reseller of ATT products until they were acquired by ATT in 1996. Now ACC provides the same ATT products under their own brand at a lower cost! If you want the security of a large company and the personable service of a small company, take a look at ACC Business.