CW practice oscillator

Listen, copy what you hear, then check it. Start with a few characters and add more as they become automatic.

What to send

Content Group size How many groups Characters learned (Koch order): 6

Signal

Character speed: 18 WPM Overall speed (Farnsworth): 12 WPM Tone: 650 Hz Noise & static: 20% Fading signal (QSB)

Press Play new to start.

Sent message

Your copy