This page is a brief summary of selected Q and Z signals.
For the complete listing
go to the ACP 131 pub. This is a PDF file - page 11 for Q sigs and page 42 for Z sigs
Q Signals
(Q Codes)
| QRK | What is the readability of my signals? | The readability of your signals is (1. Unworkable; 3. Difficult; 5. OK (Satisfactory)) |
| QRM | Are you being interfered with? | I am being interfered with (2. Slightly; 3. Moderately; 5. Heavily). |
| QRN | Are you troubled by static? | I am troubled by static (2. Slightly; 3. Moderately; 5. Heavily). |
| QRO | Shall I increase transmitter power? | Increase transmitter power |
| QRP | Shall I decrease transmitter power? | Decrease transmitter power. |
| QRQ | Shall I send faster? | Send faster ( ... wpm). |
| QRS | Shall I send more slowly? | send at slower speed ( ... wpm). |
| QRT | Shall I stop sending? | Stop sending |
| QRU | Do you have any thing for me? | I have nothing for you |
| QRZ | Who is calling me? | You are being called by ... |
| QSB | Are my signals fading? | Your signals are fading. |
| QSD | Is my keing defective? | Your keying is defective. |
| QSG | Can I use batch working? | Send ... messages at a time. |
| QSK | Can you hear me between your Morse Signals ... and ... if so can I break - in on your transmission? |
I can hear you between my signals; --- break-in on my transmission. |
| QSL | Can you acknowledge receipt? | I am acknowledging receipt. |
| QSO | Can you communicate with ... directly (or through...)? | I can communicate with ... directly (or through...) |
| QSV | Shall I send a test signal? | Send a test signal (Usually a series of "V's"). |
| QSY | Shall I change to frequency ... kHz? | Change to frequency ... kHz | QSZ | Shall I send each word or group twice? | Send each word or group twice. |
Z Signals
(Z code)
| ZAA | Maintain proper circuit discipline | |
| ZAI | Run (1. Caller 2. Test Tape 3. Synchronizing tape 4. Traffic 5. Marking Signals 6. Spacing Signals 7. Reversals 8. Run teletypewriter space bar signals) |
|
| ZAX | You are ... (1. causing interference. Listen for sending; 2. Causing interference by inattention to order to wait 3. Sending att the same time as 4. causing delay by slowness in answering 5. Anwering out of turn) |
|
| ZBB | For following message ypu will require ...... total of copies | |
| ZBF | For following message use large message form | |
| ZBH | Make preliminary call before transmitting messages | |
| ZBI | Change to voice transmission and reception | |
| ZBL | I am unable to receive you while I am transmitting. Do not use break - in procedure. |
|
| ZBO | Of what precedence is your message? | I have (or ... has) (numeral followed by precedence prosign for each precedence) message(s) for you (or for ... ) |
| ZBZ | What is the printing accuracy of my signals (or those of ) ? |
The printing accuracy of your signals (or those of) is (1. Tottally currupt 2. Very currupt 3. Partly currupt rendering traffic unacceptable 4. Occasionally currupt but traffic acceptable 5. Perfect .. no curreuption) |
| ZDJ | I have a message containing groups to transmit to you (or to) |
|
| ZDK | Will you repeat message or portion indicated? | Following repetition of is made in accordance with your request |
| ZDO | I could not send message to .... | |
| ZDQ | Message was relayed to (at .... by on .... kc/s) | |
| ZEN | This message has been delivered by a separate transmission to the addressee(s) immediately following this operating signal. |
|
| ZEN1 | This message has been delivered by a Messenger/Courier to the addressee(s) immediatley following this operating signal |
|
| ZEN2 | This message has been delivered by Mail to the addressee(s) immediately following this operating signal |
|
| ZEU | Exercise (drill) message | |
| ZEX | This is a book message and may be delivered as a single address message to addressees for whom you are responsible |
|
| ZFA | Following message has been read (received or intercepted) |
|
| ZFH | This message is passed to you for ... 1. Action 2. Information 3. Comment NOTE The call sign follows the operating signal. e.g ZFH2 ØA is For information of the station ØA |
|
| ZFR | Cancel transmission | |
| ZGE | Make your call sign ... times (number of times indicated) |
|
| ZGF | Make call signs more distinctly | |
| ZGN | When was I (or ....) Last heard? | Nothing heard of you (or ....) (since ....). |
| ZGO | What 18 my call sign and sequence of answering? |
Your call sign is .... Answer after .... |
| ZKA | Who is controlling station net? | I am (or .... is) controlling station on this frequency |
| ZKB | Is it necessary to obtain permission of the controlling station (net control station) before transmitting messages? |
It is necessary to obtain the permission of the controlling station (net control station) before transmitting messages |
| ZDK | Shall I take control of the net (for .... ) (until .... ) |
Take control of the net |
| ZKE | I am reporting into the net | |
| ZKJ | May I close down (Until .... )? | (1. Close down (Until .... ) 2. I am closing down (until .... )) |
| ZNB | What is the authentication? | Authentication is (may Include a time group) |
| ZND | Your authentication is incorrect | |
| ZOE | Can you accept message? | Give me your message, I will for dispose of it. |
| ZOF | Relay this message to now (or at). | |
| ZOK | Relay this message via .... | |
| ZOT | Transmit or handle this message at the lower precedence to the station(s) whose call sign follow(s). |
|
| ZPF | What is the readability of the net (or of .... )? | The readability of the net (or of ....) is (1. Unworkable 3. Difficult 5. OK). |
| ZRC | Shall I tune my Station to ....? (1. Proper frequency 2. Zero beat with your (or ....'s) transmitter? |
Tune your station to (1. proper frequency 2. Zero beat with my (or ....'s) transmitter |
| ZRF | Will you send a tuning signal on your present frequency, (or on .... kc/s)? |
I am about to send a tuning signal on my present frequency, (or .... kc/s) |
| ZRN | Do you intend to transmit on: 1. Upper sideband; 2. Lower sideband; 3. Both sidebands indepently? |
I intend to transmit on: 1. The USB; 2. The LSB; 3. Both Sidebands independently |
| ZTD | Shall I use .... | Use .... |
| ZTG | (Class of emission/type of transmission, See ACP 131). |
|
| ZUA | Request time signal now (or at .... Hrs.). | Time signal will be transmitted now or at .... Hrs. |
| ZUE | Affirmative (Yes). | |
| ZUG | Negative (No). | |
| ZUH | Unable to comply (or can first comply at ... Z (hrs)) | |
| ZUI | Your attention is invited to | |
| ZUJ | Stand by | |
| ZUK | Appointment title desire personal conversation with (e.g. Fetch Sunray) |
Requested person (Appointment title) now ready ... (e.g. Sunray Speaking) |
| ZXY | transmit this message to the addressees indicate by the numerals. |
|
| ZXT | Tune antennas. | |
| ZYU | Change to frequency shift telegraphy (Shift c/s). |
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