| Q CODES |
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| QRL |
Is this frequency busy? Used almost exclusively with Morse code, usually before transmitting on a new frequency |
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| QRM |
Man-made interference There's another QSO up 2 kHz that's causing a lot of QRM |
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| QRN |
Natural interference, e.g.static crashes The band is noisy today; There's a lot of QRN |
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| QRO |
High- or full-power transmission (usually 100 W or more up to licence limit) I need to QRO when propagation is poor. |
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| QRP |
Low-power transmisssion (usually 5 or 10 W, or less) I'm using a QRP transmitter here, running only 3 watts |
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| QRS |
Send Slower Please QRS, I'm new to Morse code |
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| QRT |
Stop sending I've enjoyed talking to you, but I have to QRT for dinner now |
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| QRV |
I am Ready Will you be QRV in the upcoming contest? |
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| QRX |
Hang on a minute, I'll be right back Please QRX one |
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| QRZ |
Who is calling me? QRZ? You're very weak. (only someone who has previously called should reply) |
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| QSA |
Signal strength Your QSA is 9 |
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| QSB |
Fading of signal There's QSB on your signal |
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| QSD |
Your Keying is Defective You are QSD, check your Transmitter |
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| QSK |
Break-in I can hear you during my transmission, you may QSK |
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| QSL |
I Acknowledge receipt QSL your last transmission. Please QSL via the bureau (i.e. please send me a card confirming this contact) |
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| QSO |
A conversation Thanks very much for the QSO |
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| QSP |
Relay Please QSP this message to my friend |
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| QSX |
I am Listening on ... frequency I QSX 14200 to 14210 kilohertz |
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| QSY |
Shift to Transmit on ... Let's QSY up 5 kilohertz |
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| QTA |
Disregard last message QTA, I didn't mean that |
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| QTH |
Location My QTH is Manila, Philippines |
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| QTR |
Exact time QTR is 2000 Z |
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