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Arduino Projects for Amateur Radio by Dennis Kidder, Jack Purdum

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CHAPTER 9

A PS2 Keyboard CW Encoder

In 2006, the Federal Communications Commission (FCC) dropped the Morse code requirements for amateur radio licenses. People have different views about dropping the code requirement as part of becoming a licensed radio amateur. It seems reasonable to assume that the disappearance of the requirement probably did bring more people into amateur radio. However, not knowing Morse code has its downside, too.

First, you can buy a low power continuous wave (CW) transceiver for less than $50, making the entry cost into the hobby fairly inexpensive. Second, CW affords more “miles per watt” than other transmission modes. With a good antenna system and favorable band conditions, QRP rigs that output a couple of watts are ...

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