Yeah, LCWO is the gold standard for Koch training on the web, and I'd second the suggestion for CW Academy. Having a commitment to learning with other people te

Yeah, LCWO is the gold standard for Koch training on the web, and I'd second the suggestion for CW Academy. Having a commitment to learning with other people tends to help you ride out the rough patches. To help with my own learning, I built a mobile friendly web app/game which includes Koch as an option. It's also open source - https://github.com/mdp/morse.mdp.im https://github.com/mdp/morse.mdp.im - morse.mdp.im