Since the 1930s, the Federal Communications Commission (FCC) has controlled the radio frequency energy spectrum. They license segments to particular users in particular geographic areas. A few, small, unlicensed bands were left open for anyone to use as long as they followed
Electromagnetic radiation (EM), the disturbance in space that propagates by itself in the space has both electric and magnetic field components that oscillate in perpendicular to each other in phase and to the direction of energy. Spectrum scarcity is one of the
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