Types Of Satellite TV Systems - TVRO And DBS
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You may think that there is only one type of satellite TV
system...but you're incorrect. There is, in fact, two different
formats of satellite TV: TeleVision Receive Only (TVRO) and
Direct Broadcast Satellite (DBS). Each satellite TV system is
built differently and functions in its own fashion. Dish
Network, for example, is a DBS system. However, not all
satellite TV systems are DBS.
Below is a break down of each system. Read through it and gain a
better understanding of the TVRO and DBS satellite TV systems.
TVRO - TeleVision Receive Only
TVRO was the first satellite system available for home viewing
of satellite TV. It required a relatively big dish of 3 to 6
feet in diameter and worked in C-Band. Frequencies of around 4 G
Hertz are called C-Band and require bigger dishes because the
wave length of these frequencies is longer than in Ku-Band which
requires a much smaller dish of about 18 inches. Ku-Band is at
12 to 14 G Hertz.
TVRO systems also need a movable dish because it needs to get
all the channels of many satellites. C-Band satellites have much
less channels available than Ku-Band satellites and therefore
more satellites are needed to provide enough channels.
Possibilities that exist with TVRO systems is that
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you can also
receive free channels and independent feeds from for instance
news companies. You could for instance receive the unedited
material that is broadcasted from a news crew somewhere in the
coverage area of the satellite. They transmit their materials to
their headquarters using a C-Band satellite. Many of these types
of feeds are not scrambled and are available to everyone with
the proper equipment.
TVRO systems are often referred to as Big Dish TV, C-Band
Satellite TV and BUD (Big Ugly Dish).
DBS - Direct Broadcast Satellite
Satellite TV via DBS is done in the Ku-Band. These satellites
work on higher frequencies and can transmit higher power
signals. This means that much smaller dishes can be used to
receive the signal. A small dish of 18 inches is already enough
to receive all satellite TV by Satellite TV. This makes it
possible to have satellite TV from an apartment on the 10th
floor, if you have a clear line of sight to the south. This is
the system used by Dish Network and other satellite TV providers.
DBS is for everyone. The satellite dish is so small that it is
not an obstacle like with for instance the TVRO dishes of 3 to 6
feet. Once installed the dish needs no maintenance since it is
aimed at just
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one satellite. Some dishes actually have 2 or more
feeds which makes it possible to receive the signals from more
than 1 satellite.
There are no free channels available on DBS satellites as these
are often owned and used by the satellite TV provider it self,
such as Dish Network, while TVRO satellites often are used by
those who rent space on the satellite for a limited time. TVRO
systems are meant for, for instance, transport of unedited
materials between continents, but also within one continent.
DBS is meant for everyone with a simple, low cost installation
of the system. Often the installation is for free as it really
is very easy to do. The only thing that is needed is a bit of
knowledge of where to find the satellite and the tools that make
this even easier. A qualified installer will find the satellite
and point it to maximum reception within minutes.
About the author:
I am first and foremost an observer of life. I enjoy analyzing
and exploring all aspects of life on planet Earth, and
expressing my personal perspective on the nitty gritty of it
all. As a result of my observations, I have become a freelance
writer. http://www.dish-n
etwork-satellite-tv.ws/
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