Which character did you hear?
Lesson 1 signals: K, M, R, S. This quiz uses only this lesson’s characters.
0 of 9 correctUnlimited tries. Wrong answers do not lower your count.
Press Play Signal, listen, then choose the character you heard.
RADIO COMMUNICATIONS COURSE
Learn Morse Code by sound.
Learn at your own pace. All six lessons, practice activities, and the final test are open. Start anywhere and revisit any lesson.
A practical beginner course for aspiring Morse code operators and people exploring specialized radio communications.
COURSE PROGRESS0 of 6
Lessons complete automatically after sound practice and 9 correct quiz answers.
A dedicated Morse-operator or instructor role requires this skill. Some radio, signals-analysis, emergency, military, maritime, and communications positions may also use or value it, but requirements vary.
Hear the rhythm
Begin with only four sounds. Listen first, then answer. Do not count dots and dashes.
Incomplete
Finish this lesson
- ○ Hear every sound: 0 of 4 practiced
- ○ Get 9 listening quiz answers correct: 0 of 9 correct
Use the Listening Quiz below. Try as many times as you like until you get 9 correct answers. Wrong answers never subtract from your count. You may retry the same signal; it earns one point when answered correctly. Completion saves automatically after both requirements are met.
Go to Listening Quiz ↓Turn text into Morse
... --- ... / .... . .-.. .--.
COMPLETE CHARACTER PRACTICE
All 26 letters and 10 numbers
Every alphabet letter and number is included. Select any character to hear it again.
0 of 36 individually practicedFINAL LISTENING TEST
OPEN TO EVERYONELetters and Numbers Test
Hear every letter A–Z and every number 0–9 once. The 36 questions appear in a different order each time.
A ROUTINE THAT WORKS
Practice for 15 minutes a day.
Review sounds you already know.
Copy random characters without pausing.
Review mistakes, then stop before fatigue.
EDUCATIONAL COURSE
Training requirements vary.
This course introduces Morse code but does not provide a professional license, government qualification, amateur-radio license, or employer certification. Verify the requirements for the role you want.