This is the international Q-code as every ham should have learned in order to get his license, even if there could be slight differences between different countries.
It's a subset of the full international Q-code designed for maritime communications. For everyday amateur radio use, the informal Q-code is often enough.
| QRA | Q: | What is the name of your station? |
| A: | The name of my station is ... | |
| QRB | Q: | How far are you from my station? |
| A: | The distance between our stations is ... nautical miles (or km). | |
| QRG | Q: | Will you tell me my exact frequency (or the one of ...)? |
| A: | Your exact frequency (or the one of ...) is ... kHz (or MHz). | |
| QRH | Q: | Does my frequency vary? |
| A: | Your frequency varies. | |
| QRI | Q: | How is the tone of my transmission? |
| A: | The tone of your transmission is ... (1: good, 2: varies, 3: bad). | |
| QRK | Q: | What is the intelligibility of my signal (or the one of ...)? |
| A: | The intelligibility of your signal (or the one of ...) is ... (1: bad .. 5: excellent). | |
| QRL | Q: | Are you busy? |
| A: | I am busy (or I am busy with ...). Please do not interfere. | |
| QRM | Q: | Are you being interfered with? |
| A: | I am being interfered with. | |
| QRN | Q: | Are you troubled by noise? |
| A: | I am troubled by noise. | |
| QRO | Q: | Shall I increase transmit power? |
| A: | Please increase transmit power. | |
| QRP | Q: | Shall I decrease transmit power? |
| A: | Please decrease transmit power. | |
| QRQ | Q: | Shall I send faster? |
| A: | Please send faster (... words per minute). | |
| QRS | Q: | Shall I send more slowly? |
| A: | Please send more slowly (... words per minute). | |
| QRT | Q: | Shall I stop sending? |
| A: | Please stop sending. | |
| QRU | Q: | Have you anything for me? |
| A: | I have nothing for you. | |
| QRV | Q: | Are you ready? |
| A: | I am ready. | |
| QRX | Q: | When will you call me again? |
| A: | I will call you again at ... hours (on ... kHz (or MHz)). | |
| QRZ | Q: | Who is calling me? |
| A: | You are being called by ... (on ... kHz (or MHz)). | |
| QSA | Q: | What is the strength of my signal (or the one of ...)? |
| A: | The strength of your signal (or the one of ...) is (1: very weak .. 5: very strong). | |
| QSB | Q: | Is my signal fading? |
| A: | Your signal is fading. | |
| QSD | Q: | Is my keying defective? |
| A: | Your keying is defective. | |
| QSK | Q: | Can you hear me between your signals, and if so can I break in on your transmission? |
| A: | I can hear you between my signals; break in on my transmission. | |
| QSL | Q: | Can you acknowledge receipt? |
| A: | I am acknowledging receipt. | |
| QSM | Q: | Shall I repeat the last telegram which I sent you (or some previous telegram)? |
| A: | Repeat the last telegram which you sent me (or telegram(s) number(s) ...). | |
| QSN | Q: | Did you hear me (or ...) on ... kHz (or MHz)? |
| A: | I heard you (or ...) on ... kHz (or MHz). | |
| QSO | Q: | Can you communicate with ...? |
| A: | I can communicate with ... | |
| QSP | Q: | Will you relay to ...? |
| A: | I will relay to ... | |
| QSS | Q: | What working frequency will you use? |
| A: | I will use ... kHz (or MHz). | |
| QSU | Q: | Shall I send or reply on this frequency (or on ... kHz (or MHz))? |
| A: | Please send or reply on this frequency (or on ... kHz (or MHz)). | |
| QSV | Q: | Shall I send a series of "V" on this frequency (or on ... kHz (or MHz))? |
| A: | Please send a series of "V" on this frequency (or on ... kHz (or MHz)). | |
| QSX | Q: | Will you listen to ... on ... kHz (or MHz)? |
| A: | I am listening to ... on ... kHz (or MHz). | |
| QSY | Q: | Shall I change transmission frequency (to ... kHz (or MHz))? |
| A: | Please change transmission frequency (to ... kHz (or MHz)). | |
| QSZ | Q: | Shall I repeat each word (or group) several times? |
| A: | Please repeat each word (or group) several times. | |
| QTC | Q: | How many telegrams have you to send? |
| A: | I have ... telegrams for you (or for ...). | |
| QTH | Q: | What is your position (in latitude and longitude)? |
| A: | My position is (... latitude, ... longitude). | |
| QTR | Q: | What is the correct time? |
| A: | The correct time is ... hours. |
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