Arthur C. Clarke 's Vision
Sir Arthur C. Clarke is widely credited with the concept of assembling
using geostationary orbit to transmit communications signals around
the world. In his honor, sometimes they are called Clarke orbits. A
Geosynchronous orbit simply means that the satellite is at an altitude of
Ecuador 22.300 miles over the Earth and moving at the same speed as the Earth's rotation
speed. This keeps the satellite in the same place on earth at any time.
Clarke wrote an article entitled "Alien Liaison", which was published
in Wireless World magazine in 1945. In his article Clarke, considered
three "space platform" placed at 22.300 miles over the earth and the world
and communications could be made.
Father of Satellite TV
However, H. Howard Taylor A professor at the University of Stanford and former NASA scientist
Emeritus, which is generally acknowledged as the "Father
satellite television. Howard has designed and built the first satellite antenna and receiver
San Andreas, California garage in 1976. Howard died in a plane crash in 2002
at the age of 70. Now, 32 years after the invention Howards is doubtful that the
could have predicted the quantum leap that technology of satellite television ha.
The first satellite – Sputnik
The first satellite in Earth orbit was Sputnik, launched
by the Union Soviet, October 4, 1957. The launch of Sputnik began what is commonly
called the space race. The United States responded successfully
launch of Explorer I on 1 January 1958. Later that same year, NASA was established on 1 October 1958 to perform civilian research related with space flight and aeronautics.
The first satellite – Syncom II
The first communications satellite, called Syncom was developed by a group of companies and government entities in 1963. Syncom II orbit of 22,300 miles over the Atlantic, the first of
real satellite was July 26, 1963, between a vessel of the United States Navy in Lagos,
Nigeria and the U.S. Army station in the Navy Lakehurst, New Jersey. However, there was
until 1978 that the television industry has begun using satellite communication
television. In 1975, a BBC engineer by the name Stephen Birkill
built an experimental system for receiving Satellite Instructional Television.
Over the next three years continued working Birkill on your system and in 1978
Bob Cooper met a reporter from the cable television technology and amateur radio enthusiasts in the U.S.
and Cooper invited Birkill an operator of cable television conference and exhibition CC) S-78.
He has been in the amateur-satellite show that many decided Help Birkill
with their experiments. Also on 1 March 1978, the Public Broadcasting Service (PBS),
Public television has introduced the satellite and technology Serivce Satellite
improved, it has increasingly used by broadcasters.
The direct broadcast (satellite DBS)
In 1980, the FCC established the direct broadcast satellite (DBS), a new service
it was a broadcast satellite in geostationary orbit, the facilities
signal transmission to the satellite and receiving equipment (black box) are needed for people to access the signals. A In turn, broadcasters developed methods of encoding their signals,
forcing consumers to buy a decoder or Direct To Home (DTH), satellite receiver
a satellite program provider. Before this signal can be received by any person
level with a balance. Both DISH Network and DirecTV is direct broadcast satellite
suppliers. Shortly after starting in 1981, in the 1990s the market's plate "has grown larger considerably.
You can see these big ugly dishes mile away. But they are heavy and very
difficult to install.
At this stage of development satellite television, which was much easier to
only have cable television. Also pruchasing the average cost of a satellite dish and system of
10,000 in 1980 was amazing. In 1985, the cost has decreased over
$ 3000., But still a high price to pay. In 1984, Congress passed in 1984,
Cable law. This law has allowed cable providers to jam their communication signals
thus ending the days of free satellite television. In summary, the 1984 law passed by cable
It is illegal to steal satellite signals without paying for programming.
TV Satellite – DirecTV and Dish Network Access
In the 1990s, four major cable companies teamed up to launch a direct
Broadcast Satellite Company called Primestar. In June 1994, Hughes DIRECTV
System satellite was launched. DIRECTV acquired Primestar later.
DIRECTV pioneer in developing the mini-dishes, 18 small "diameter plate.
Today, DIRECTV has more than 16 million households with DIRECTV service. In 1996, the Company's DISH Network a division of EchoStar Communications Corporation DISH was formed and now has more than 13 million U.S. households with Dish Network Satellite Service. The two companies have
offer hundreds of channels of programming to watch and each offers more than 70 national channels
High-Definition (HD). DirecTV and Dish Network also offers dozens of satellites
radio channels and two have achieved by providing high-speed Internet service.
When only the antennas dishes, once a cost of $ 10, .000., two satellite giants Today
provide satellite systems, including free parabola.
TV satellite transmitting worldwide to Arthur C. Clarke dream a reality.
G Alan Davis is owner of Digital Dish, has over five years experience in the satellite TV business, selling both DIRECTV and DISH Network and has written numerous articles on the subject.
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