Building and launching Satellites are costly business.  Making a satellite can cost from  $290 million upwards, while a single satellite launch can range in cost from a low of about $50 million to a high of about $400 million.  Any fault could lead to making billion dollar satellite useless  and …

The electromagnetic spectrum is a series of frequencies ranging from radio waves to microwaves, visible light, X-rays, and gamma rays. As the wavelength of the electromagnetic radiation shortens, the waves have a higher frequency—how quickly electromagnetic waves follow each other—and therefore more energy.   Radiofrequency is a type of electromagnetic …