2.3| Ch2. Mind Map - Mind Map

2.3| Ch2. Mind Map

The Role of government

The FCC has long been interested in preserving radios localism. Over the years, agency's have encouraged radio stations to serve the community. The fcc has also granted licenses hundred LPFM station across the U.S.

Copyright laws

The COPYRIGHT ACT OF 1907. The ASCAP collected|
royalty fees , payments for the right to use a product such as songs etc on behalf of the composers and authors of songs and other owners the copy right material.

AM & FM radio

AM RADIO is a method of combining audio information
with basic carrier wave that is sent from brodcast antenna to a receiving antenna.

FM RADIO audio quality was superior to AM
because the frequency of each wave was modulated by sound rather than the amplitude of each wave .

Satellite radio

In 2001, XM satellite radio began sending satellite signals
to cars and homes equipped with special satellite receivers.

Internet radio

Internet Radio began in the late 1990s when the
when streaming the internet became feasible method of transmitting music.

Important early inventors, inventions and events

IN 1835, Samuel F.B Morse sent the first
electronic magnetic signal thu wires.

March 10, 1876 Alexander Graham Bell
made the first phone call.

Christmas Eve ,1906 Reginald Fessenden transmitted
the first

Important early legislation

The government considered the electronic magnetic
spectrum as a scarce resource . Therefore it was subject to regulation by the federal government. The government wanted prevent monopolistic use and squandering of the electronic-magnetic spectrum in particular.

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