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DirecTV is a direct broadcast satellite (DBS) service that transmits digital satellite television and audio to households in the United States and the rest of the Americas. DirecTV is owned by DirecTV Group, which is controlled by News Corporation's Fox Entertainment Group. It's based in El Segundo, CA.
General informationA DIRECTV satellite dish on a roofDirecTV typically uses a fixed 18-inch diameter dish antenna to receive its signals. Slightly larger, 18x24-inch elliptical antennas (which receive signals from three geostationary satellite positions simultaneously) are becoming more common as DirecTV (as well as other DBS services) attempt to squeeze more programming onto their growing systems — particularly local television network affiliate stations, as well as HDTV programming. DTV is now installing a dish that has five LNBs (receives signals from five satellites) for HDTV programming in select markets. DirecTV, officially stylized as "DIRECTV," is often abbreviated as "DTV." However, DTV has recently been used to refer to digital television. Due to this conflict, and the fact that EchoStar is often abbreviated "E*" ("E" for Echo, "*" for star), DirecTV has come to be known as D* on many of the on line message boards. However since DTV is the stock ticker symbol for the DirecTV group the original DTV abbreviation remains the more common of the two. DirecTV receivers (television set-top boxes) originally were referred to as "Digital Satellite Service," or DSS, a blanket term that encompassed services marketed by both DirecTV and USSB. In 1998, after the acquisition of USSB, an American court ruled that the term "DSS" was an already trademarked term that could not be used by DirecTV. DirecTV offers local channels to 93% of U.S. residents (including Alaska and Hawaii). Local channels are transmitted over optical fiber networks to the Castle Rock Broadcast Center, in Castle Rock, Colorado, where they are uplinked. As of November 30, 2005 DirecTV has over 15 million customers in the U.S. and 1.57 million in Latin America. 2005 revenues are $3.15 billion. The Economist has suggested that News Corporation would eventually like to merge DirecTV with Sky, its British satellite operation, and possibly its Asian Star and Australian Foxtel networks to form a global satellite TV company. History
Market adoptionNumber of DirecTV subscribers by yearManagement
Access card historyDirecTV transmits programming with encryption to mitigate signal piracy. The receiver (also known as an IRD, or "integrated receiver-decoder") utilizes ISO7816 smartcards which tell the receiver how to decrypt the programming for viewing. In a continuing effort to combat piracy, DirecTV is now utilizing a fifth generation of access cards.
DirecTV has long been a victim of an active signal piracy underground, but has recently begun to crack down on illegal reception of its signals. On its anti-piracy website, DirecTV claims to have sued over 24,000 end users as of March 17, 2004, including celebrity O.J. Simpson. DirecTV bases its suits on purchase records of ISO-7816 Smart Card devices. Although these devices could be used to rewrite DirecTV's access cards, there are countless legitimate uses for them as well. This has caused controversy, since DirecTV is making the assumption that all purchasers of the devices are pirates. High-definition television (HDTV)DIRECTV's 5-LNB satellite dish A DIRECTV H20 ReceiverLike its competitors, DirecTV also offers high-definition television (HDTV) and interactive services. Its self-branded digital video recorders (DVRs) originally were based upon technology licensed from TiVo in an agreement that has been largely supplanted by a new partnership with News Corporation-owned NDS. To handle the prolifiration of bandwidth-intensive HDTV broadcasting, DirecTV is now broadcasting local HD content using the MPEG-4 AVC/H.264 codec while employing a newer transmission protocol (DVB-S2) over their new SPACEWAY-1 satellite and soon on the SPACEWAY-2 satellite. This allows DirecTV to squeeze much more HD programming over its satellite signal than was previously feasible using the older MPEG-2 compression and DVB-S protocol it has been using. It is speculated (and many say testable) that both DirecTV and their competitor Dish Network have also reduced the quality of their Standard Definition Broadcasts in order to clear more bandwidth for HDTV. Subscribers must acquire a new set-top box (the H20 receiver) and a 5-LNB dish (referred to as a "Ka/Ku" dish) in order to receive the new programming encoded with MPEG-4. DirecTV has contracted with Korea's LG Electronics to manufacture these new boxes. The HD channels offered by DirecTV are:
DirecTV also broadcasts some of the NFL Sunday Ticket in HD for an additional fee. Local stations (CBS, ABC, NBC, FOX, UPN, The WB and i) broadcasts transcoded in MPEG-4 are currently being rolled out in major markets. Where not available through satellite, local HD channels can be received over the air using an antenna. Satellite fleet
Local channelsDirecTV also offers local channels (CBS, ABC, NBC, Fox, PBS, WB, UPN, and some independent stations) for many markets. In the largest markets, the locals are carried on the main satellite. In smaller markets, the locals are carried via another satellite where HD and most Spanish language programming is located, requiring a slightly larger oval dish, capable of receiving from both satellites simultaneously. Generally, this dish will include three LNBs so it can see three satellites. In a few smaller markets, local stations are located on yet another satellite, requiring a second dish pointed in a different direction. In markets that lack a WB affiliate, DirecTV includes WBZL-TV from Miami or KSWB-TV from San Diego; both stations will join the CW network in September, 2006. Subscribers located where they cannot easily receive terrestrial television broadcasts can receive feeds from New York and Los Angeles for CBS, ABC, NBC, and Fox. A national PBS channel is also available. In late 2005 DirecTV began the rollout of HD locals in the largest cities, requiring new set-top boxes and an even larger dish capable of seeing five satellites at once (at 99°W, 101°W, 103°W, 110°W and 119°W). References
See also
External links
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