How Radio Signals Work: All the Basics Plus Where to Find Out More - Tapa blanda

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Jim Sinclair is a shortwave radio expert and a former broadcast operator with A.P.O./Telecom Australia, where he has installed, operated, and tested thousands of receivers and other pieces of radio and communications equipment.

De la contraportada

Understand Today's Communications- No Technical Background Required.Radio waves poer not only radios, but TVs. They make our cell phoneswork. They enable the airplane we ride and the ships we sail to navigate in unfamiliar locales. Radio waves are even at the heart of our most powerful telescopes, permitting scientists their clearest look into deep space. Most of us use radio waves every single day -and most of us have very little idea of how they work. In a reader-friendly style requiring no technical or mathematical background, this concise and clearly-written book explains the basics of radio signaling. You'll learn how:Energy carries information.Messages are imprinted on energy.Signals move across space.Signals are detected and amplified.Electrons, watts, amps, volts, and other "mysterious beasties" owrk.If you're curious about the phenomena that make modern communications work...if you want a fascinating, across-the-board tour of the entire field of radio communications, including career posibilities... or if you want to buttress a radio license application, you've found the right book. How Radio Signals Work is the most pleasant path to enlightenment in the Age of Communications.