🎯 Code Group Training

Random code groups for effective Morse code practice

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To use Code Group Training and save your progress, please login or register.

📻 Training Display

Ready to start...

Session Time

00:00

⌨️ Your Answer

💡 Tip: Use spaces to separate code groups. Type in UPPERCASE.

📊 Stats

Groups Sent

Characters

Progress

⏱️ Duration

2 min

1 min 5 min 10 min

⚙️ Current Parameters

Loading parameters...

🎯 Session Results

📈 Performance Summary

Final Accuracy

WPM (PARIS)

CPM

Total Errors

🔍 Accuracy Analysis

Group-Aligned Accuracy

Strict group-by-group comparison

Levenshtein Accuracy

Edit distance based (more forgiving)

ℹ️ Final accuracy uses the better of the two methods (LCWO standard)

🎨 Character Error Heatmap

Perfect

Some errors

Many errors

🔍 Character-by-Character Comparison

See exactly where you made mistakes - Green = correct, Red = error

⚠️ Most Missed

✅ Best Performance

🔤 Mode & Character Selection

Training Mode

📝 Letters

A-Z (26 chars)

🔢 Figures

0-9 (10 chars)

🔀 Mixed

A-Z + 0-9 (36 chars)

⚙️ Custom

+ Punctuation (58 chars)

Select Characters

0 characters selected

Training Parameters

Duration

2:00

1 min 5 min 10 min

Group Length (characters)

2 5 7

🎵 CW Speed & Audio Settings

CW Speed Settings

Character Speed (WPM)

5 WPM 30 WPM 60 WPM

Effective Speed (WPM) - Farnsworth

Same

Same 15 WPM 35 WPM

Extra spacing between words when lower than character speed

Audio Settings

Pitch (Hz)

600

400 Hz 650 Hz 900 Hz

Volume

60%

10% 50% 100%

Signal & Noise

Audio Filter (Hz)

700

QRM Interference