Some helpful information when choosing a satellite dish.
The satellite dish serves as an satellite antenna and its purpose is to reflect the signals received from the satellite to the vocal point of the satellite dish. Satellite dishes comes in different designs and sizes. The surface finish and the shape of the satellite dish has an big impact on the gain of the signal. The average size of the satellite dish used for satellite television in the ku band is between 60cm to 1,2m in diameter.
Satellite dishes are mainly made of 4 different materials
Entry level: The Mild Steel Dish
The dish last for approximately 3-5 years,its the most affordable dish, but not recommended in areas close to coast lines as it corrodes slowly. The dish also come in different sizes in diameter for better signal reception.
Second Line: The Aluminium Dish
This dish is very light and not suitable for windy areas due to satellite bending in strong winds and pixelation caused by wind and rain.
Third in line:The Fibreglass Dish
Mostly recommended in Cape Town’s windy and rainy conditions. They also differ in sizes.
Last but not the least: The Stainless Steel Dish
The dish will last you a lifetime, is somewhat more expensive, but will give you excellent performance.
These dishes also vary in sizes, the size of the dish depends on the performance required for a specific installation.
Its always advisable to install a bigger satellite dish, as it increases the signal reflection and therefor a better picture.