The LNB converts the signals from electromagnetic or radio waves to electrical signals and shifts the signals from the downlinked C-band and/or K u-band to the L-band range.
This feedhorn is essentially the front-end of a waveguide that gathers the signals at or near the focal point and ‘conducts’ them to a low-noise block downconverter or LNB. Mounted on brackets at the dish’s focal point is a device called a feedhorn.
The parabolic shape of a dish reflects the signal to the dish’s focal point. Schematics of reflection principles used in parabolic antennas.
LIST OF SOME RECEIVABLE SATELLITE RECEIVABLE IN AFRICA. Bonus tip: how to use your DStv decoder to track DStv channels. How to set up a DiSEqC switch for multiple dishes on a single decoder. How to set up Your Digital satellite Receiver after installing the Dish. How to Manually track MBC on Eutelsat 7E. How to manually point your Dish to DStv Eutelsat 36B at 36✮ satellite in Africa. General tips on how to manually or Finetune your satellite Dish for maximum channels reception. General tips on how to Install Satellite TV System. Determine the best location for your satellite dish. How to install a Ku band/offset dish Manually. How to Manually Assemble Your Satellite Dish. Required dish Components/Parts to Manually track a Satellite Dish. Tools needed to manually track a satellite dish. Before you can manually track a satellite dish, you need to consider other factors. Pre-requisites to manually track a satellite dish. 
Satellite TV system setup: preparatory stage.Other Types of Satellite TV Antennas/Dishes.
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