Learn Morse, one sound at a time.
Listen to K and M here, or start Lesson 1 right away.
Free. No account. Progress saved on this device.
Try the sounds of K and M.
Take a moment to listen. There’s no rush.
No sound? Check your device volume.
Small lessons. Room to grow.
Listen, identify the character, and get feedback after each answer.
- Listen
Get to know two sounds before adding more. You can listen again whenever you need to.
- Identify the character
Choose the character you heard or type your answer. Replay the sound when you need to.
- Build your skills
Build confidence with each session. New characters unlock as your recognition becomes more consistent.
Built by a radio amateur who was learning CW the hard way — this is the trainer he wanted.