TECHNOLOGY
Radio technology Radio has transformed the society about three times,not to mention giving birth to the entire field of electronics.At the end of 19th century ,when the radio was arrived few thoughts that 'wireless'communication .The early inventors studied the work of Scottish physicist James clerk Maxwell ,who has formulated a set of equations.Radio is the technology of using radio waves and to carry about the information may be as sound etc. Radio system needs a transmitter to modulate some properties of energy produced to impress a signal on it.example.angle modulation.Radio system also needs the antenna to convert the current into radio waves and radio waves into electric current.An antenna is a substance that can be used for transmitting and receiving.Radio frequency occupy the range from a 3 kHz to 300 GHz.Radio can be used a...