It is a very long time since we have posted interesting things about satellite TV service. today we will let you know, why India’s biggest DTH service, Dish TV DTH uses an Elliptical Antenna?, As we know The Elliptical Antenna is used by only Dish TV DTH, the other DTH uses using vertical shape DTH antenna. So let’s understand it.
An elliptical antenna, also known as an elliptical waveguide antenna, is a type of antenna that is characterized by its elliptical shape. This shape is specifically designed to provide certain advantages in terms of radiation pattern and polarization. Elliptical antennas are used in dish TV India (direct-to-home satellite TV service).
Here are some key features and characteristics of elliptical antennas:
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Radiation Pattern –
The elliptical shape allows for a more controlled radiation pattern compared to some other antenna types.
Dish TV Gain –
Elliptical antennas can be designed to achieve high gain, making them suitable for receiving gain from one or more satellites. meaning they can capture and amplify weak satellite signals more effectively. This is especially beneficial in Dish TV reception, where signals from satellites in geostationary orbit are relatively weak by the time they reach Earth.
Frequency Range –
The elliptical antennas can be adapted to operate over a wide frequency range. It makes signals suitable for receiving signals from different satellites broadcasting in various frequency bands. You can find Dish TV’s latest frequency list here.
Horizontal Polarization –
Elliptical dish antennas are designed to provide the best horizontal polarization coverage. it helps mitigate the effects of signal fading and polarization mismatch that can occur due to the rotation of the satellite and other factors.
Focused Beam –
The elliptical shape allows for a more focused beam, concentrating the received signal and reducing interference from other sources. This focused reception is crucial for maintaining a strong and clear signal in Dish TV signal reception.
Improved Performance in Inclement Weather –
The focused beam and high gain of dish TV elliptical antennas contribute to better performance during adverse weather conditions, such as rain or snow. This is important for maintaining a reliable dish TV signal in various environmental conditions.
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