Back then in 2006 we heard of a possible change in the mode of broadcasting worldwide. June 17, 2015 is said to be a day of global revolution in broadcasting.
Nigeria and most developing countries yet broadcast on analogue transmission. With analogue transmission, signals from the TV stations like NTA Channel 5 Lagos or Channel 6 Aba is transmitted via radio waves which are then picked up by aerials and sent down to receiver in our TV set to be converted into moving pictures and sound respectively. This we learn from