CW abbreviation · Greetings & sign-off
TU in Morse code
Shorter form of 'thank you'. Often the final word of a contest QSO.
Morse rendering
- ..-
Sent letter-by-letter with standard inter-letter gaps.
Meaning
TU — Thank you
When this is used
TU is preferred in contests where every keystroke matters; TNX is more conversational. A contest exchange typically ends 'TU QRZ?' meaning 'thanks, who's next?'
Examples
| On the air | Plain English |
|---|---|
| TU QRZ? | Thank you, who's calling next? |
| TU 73 | Thank you, best regards. |
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