Practice

Interactive drills

Short, repeatable repetitions. Every attempt is logged so your mastery figure on the course overview reflects real practice, not reading time.

Drill 01

Flashing light — receive

Watch the lamp and write down what you read. Speed is adjustable; 8 words per minute is the fleet standard for training.

Lamp off

Streak

0

Correct

0/0

Accuracy

—

Drill 02

Flashing light — send

Key the character below using the space bar or the key button. A dot is one unit (150 ms at 8 WPM), a dash is three.

Send this character

A

.-

Your keying

—

    Streak

    0

    Correct

    0/0

    Accuracy

    —

    Drill 03

    Semaphore recognition

    Signaller

    Which letter is the signaller making?

    Streak

    0

    Correct

    0/0

    Accuracy

    —

    Drill 04

    Flag and pennant recognition

    Alfa

    Streak

    0

    Correct

    0/0

    Accuracy

    —