O'Reilly logo

Essential Guide to Telecommunications, The, Third Edition by Annabel Z. Dodd

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Spectrum Allocation

Aviation, marine, trucking and emergency public agencies all use different portions of the spectrum, or airwaves, to communicate over wireless radio frequencies. The term spectrum refers to a range of frequencies or the portion of the radio waves allocated for particular applications such as satellites or cellular service. A frequency is the number of times each second that each radio wave completes a cycle. As mentioned in Chapter 1, each cycle looks like a resting letter S. A cycle is complete when a radio wave passes through the highest and lowest portions of the wave. The term hertz refers to one cycle of a radio wave.

The allocation of spectrum is administered on both an international and national level. The International ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required