Morse Code Cheat Sheet
Everything you need on one page: every letter, number and punctuation mark, the prosigns, the timing rules, and the abbreviations and Q codes you will hear most on the air. Print it, or choose Save as PDF in the print window.
Letters
Numbers
Punctuation (ITU)
Prosigns (sent as one signal)
Timing
A dot is 1 unit. A dash is 3 units. The gap inside a letter is 1 unit, between letters 3 units, between words 7 units. At 20 WPM a unit lasts 60 ms (1200 divided by the WPM).
Common abbreviations
| CQ | −·−· −−·− | Calling |
| K | −·− | Invitation to transmit |
| KN | −·−−· | Over to you; only the previously named station should respond |
| AR | ·−·−· | End of transmission |
| SK | ···−·− | Out |
| BK | −··· −·− | Break |
| R | ·−· | Received as transmitted |
| TU | − ··− | Thank You |
| PSE | ·−−· ··· · | Please |
| AGN | ·− −−· −· | Again |
| ES | · ··· | And / [ & ] / also / et |
| FB | ··−· −··· | Good |
| 73 | −−··· ···−− | Best regards |
| 88 | −−−·· −−−·· | Love and kisses |
Common Q codes
| QRL | I am busy (in contact with ____ ). Please do not interfere. |
| QRM | I have interference. |
| QRN | I am troubled by static. |
| QRQ | Send faster (____ wpm). |
| QRS | Send more slowly (____ wpm). |
| QRT | Stop sending. |
| QRZ | You are being called by ____ on ____ kHz (or MHz) |
| QSB | Your signals are fading. |
| QSL | I will acknowledge receipt. |
| QSO | I can communicate with ____ direct (or by relay through ____ ). |
| QSY | Change to transmission on another frequency (or on ____ kHz (or MHz)). |
| QTH | My position is ____ latitude ____ longitude. |
Sources
Letters, numbers and punctuation follow ITU-R M.1677-1, the international standard. Abbreviations and Q codes are from the English Wikipedia lists of Morse code abbreviations and Q codes. The full lists are on the abbreviations and Q codes pages.