Anatomy of a QSO
Type in your callsign and watch a real CW contact unfold: the call, the answer, the reports, the farewell. Every transmission is broken into parts and sounds as it would on the air.
The code tree
The Morse alphabet drawn as a printed board: type any text and watch the transmission run down the branches, with a timing diagram and sound.
Timing
Online CW calculator — the length of a dot, a dash and the gaps from the speed in WPM, Farnsworth spacing, the necessary bandwidth to ITU-R SM.1138 and the noise-bandwidth advantage over SSB.
Decoder
A neural CW decoder right in the tab: audio from the sound card becomes text, with nothing to install and nothing sent to a server.