I recently got my basic amateur radio certificate. It was a lot of fun and I want to share some of what I've learned. I found this information hard to find or scattered, so I'll take a run at it. This blog post explains how CW works conceptually, not how to build a CW transmitter or receiver. What's CW? CW stands for "continuous wave", which is a bit of a misnomer. We use it to send Morse code by interrupting the radio wave. We send Morse by tapping a key. A short press is a 'dit' and a long ...
