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Nuts & Volts Magazine (March 2017)

Wireless Modes — Part 1

By H. Ward Silver    View In Digital Edition  

As you tune around the ham bands with a radio or spectrum analyzer, you can hear and see a lot of different signal types. These different signals are called “modes” by hams — each with its own purpose, strengths, and weaknesses. This column is the first of a two-part series. Up first is an overview of fundamental modes used in communication systems. Next time, we’ll cover more advanced modes used for data transmission.


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