A contact between two amateur radio operators in Morse code follows various conventions with all sorts of variations. This page generates a complete, self-consistent contact in any of the common formats, and says what every over and every abbreviation in it means.
The conventions themselves, and where they come from, are set out in CW QSO Formats and Conventions; to practise copying contacts like these, with a log card that marks what you copied, use Ultimate QSO.
The QSO format
Your station
The QSOs are addressed to you, so they need your callsign at least. This is stored in your browser and shared with the other trainers on this site; it is never sent to the server. The boxes the selected QSO format uses are highlighted; anything left empty is invented for you.
Who you talk to
The QSO
Play one over with the button beside it, or click any word to hear it on its own. Set the speed and pitch with the .
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