SignalPrep
Basic Qualification · B-003 Station assembly, practice and safety · B-003-014-002

How does an electronic keyer help form good Morse code characters?

  1. ABy ensuring that the dots and dashes have the same amplitude
  2. BBy regulating the lengths of the dits and dahs
  3. CBy eliminating key clicks
  4. DBy improving the tone of the CW signal

Correct answer: B — By regulating the lengths of the dits and dahs. From the official ISED question bank, verified word for word.

Why

An electronic keyer helps form good Morse code by automatically controlling how long each dot (dit) and dash (dah) lasts, ensuring they stay consistent with the rhythm you set. The full explanation — and one for every question — is in Pro.

Practise this section

Station assembly, practice and safety is section B-003 of the Basic exam: Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.

Drill B-003 — free, no account

Cette question en français · All B-003 questions