How does Satellite Television work?
How does Satellite Television work? Satellites have changed the way we humans live. In this article, we will examine how satellite television works and the huge revenue flows associated with this broadcasting business. Towards the end of the post, we will also explain the interesting reason why there is no stream of your TV streaming and how online videos are abused. To better understand satellite TV broadcasting, we must first have a basic knowledge of satellite components.
Satellite Foundation: –
How satellite navigation. As you can see, the Earth orbits the Sun in an elliptical orbit, and the Earth also opens its axis. You can see that this rotating axis does not correspond to the surface of the elliptical orbit but is slightly tilted, as shown.
For satellite TV to work, the satellite must not be compatible with your home. This means that the satellite must orbit at the same speed as the earth. That is, it will take 24 hours to complete one cycle. Let’s work out the equilibrium of the gravitational force and centrifugal while using this speed information.
You can see that the orbitalradius needed to achieve an unrelated motion, because the satellite, is exactly 42,164 kilometers long.
Geostationary Cycle: –
This orbit is known as geostationary orbit. All satellites used for satellite TV purposes must be parked on this route. And this look shows how geostationary belt has become so crowded these days.
Now, find things about the satellite itself. The energy required for satellites comes mainly from solar panels. However, if the satellites do not face the sun, the battery pack helps maintain its functionality. Interestingly, satellites have tiny engines called thrusters.
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The magnetic field that meets the satellite is not the same because of the irregularity of the earth’s surface and the presence of the Moon and the Sun. The thruster produces a very small amount of energy to keep the satellite’s position and position in order.
The most important part of the satellite for communication purposes is the transponder. Transponder signals from the base station simultaneously, amplify signal strength, remove any sound and transmit it to the earth in a different volume. Downlink frequency is always lower than uplink frequency. You can see the horns of different bands of frequency. For D2H, Ku Bandfrequency is widely used.
These Ku Band Signals are powerful, allowing smallersize receiver antenna. In the past, C Band’s signals, low power, were used for telecommunications and that is why big horns were used in those early days. However, the Ku Band signal is affected due to rain. Therefore, scientists must overcome this problem with the development of satellite technology. (How does Satellite Television work?)
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DBS providers: –
Now that we have a basic knowledge, let’s see how hundreds of TV channels reach your home through satellite TV technology. We will consider CNN tv channel, They have a video production center and continue to produce content for public viewing, 24/7. We call them the source of the system.
This channel needs simultaneous access to multiple satellite satellite networks. We call them DBS providers. To achieve this, CNN is simply placing its mark on its transponder init’s geostationary orbit.
It should be noted that prior to video signals, the source of the program places ads as relevant sites and this is the first source of revenue for the channel. CNN signal is now generally available at the same time, and any DBS provider can access the signal when they have entered into a business agreement with the source of the program.
Similarly, DBS provides the collection of signals from many such channels or system sources.In their broadcast center, they combine all of these content together and perform video formats such as MPEG compression, subtitle, and signal encryption. After that, the DBS provider puts a signal to their hired transponder on the satellite.
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The DBS provider hires multiple transponders to handle the large amount of data that must be transmitted. In this way 300-400 channels will be available on a single satellite of the DBS provider.Now the final stage of signal transmission; signal transfer to end user. Here, the end user should wear their feed antenna towards the DBS satellite providers.
You may have noticed that among the various DBS providers, there are different vessel angles. Or the dishes are in one place. This is because different providers may be using different satellites to transmit their signals. The signals received by your dish are nailed to prevent crime, and only a dedicated card in the top box will be able to unlock it and return it. Did you know that live events you watch on your satellite television are actually delayed by a few seconds?
The signal that leaves the broadcasting center must travel hugedistance on two satellites before it reaches you. Even signaltravels with light speed, such a large distance will cause a delay of about 0.5 seconds. In addition, the live broadcaster may also incur certain swearing delays in addition to the usual delays.
comparison between online and satellite videos: –
Now an interesting comparison between online videos and satellite TV. Both television and internet technology transmit information in digital format, such as eggs and those. Why is there no bath on your TV, as you see on YouTube or Facebook videos? On television, the broadcaster offers only 300 to 400 channels or video streams and the user must select just one from this small group.
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However, online, the needs of each user are very different. There are millions of online videos to choose from. This means that the volumeof traffic operated by TV broadcasters is nowhere near the level of the internet, and it is this large levelof traffic on the internet that sometimes creates traffic congestion and blows.
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