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Military and Commercial Message Z-Codes |
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Military and Commercial Message Z-Codes |
Home | Z-Codes
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ZAA ZAB ZAC ZAC ZAD/x ZAE ZAF ZAH ZAI ZAJ ZAL ZAL ZAN ZAN ZAO ZAP ZAP ZAQ ZAR ZAS ZAT ZAV ZAX ZAY ZBA ZBD ZBE ZBG ZBH ZBI ZBL ZBM ZBN ZBN ZBO ZBP/x ZBQ ZBR ZBR ZBS/x ZBT ZBU ZBV ZBW ZBY ZCA ZCB ZCC ZCD ZCF ZCI ZCK ZCL ZCO ZCP ZCR ZCS ZCT ZCW ZDA ZDB ZDC ZDE/x ZDE ZDF/x ZDF ZDG ZDH ZDL ZDM ZDM ZDN ZDQ ZDS ZDT ZDT ZDV ZDV ZDY ZEC ZED/x ZEF/x ZEG/x ZEI ZEK ZEL ZEN ZEP ZEU ZFA ZFA ZFB ZFB ZFC ZFD/x ZFD ZFF ZFH/x ZFI ZFK ZFO ZFQ/x ZFR/x ZFR ZFS ZGB ZGF ZGF ZGP ZGS ZGW ZHA ZHC ZHM/x ZHS ZHY ZIM/x ZIP ZIR ZIS/x ZJF/x ZKA ZKB ZKD ZKE ZKF ZKJ ZKO ZKQ ZKS ZKW ZLB ZLD ZLL ZLP ZLS ZMG ZMO ZMP ZMQ ZMU/x ZNB ZNB ZNC ZNC ZND ZNG ZNI ZNN ZNO ZNR ZNS ZOA ZOC ZOD ZOD ZOE ZOF ZOG ZOH ZOK ZOK ZOL ZOM ZOR ZOU ZOZ ZPA ZPA ZPC ZPC/x ZPE ZPF ZPO ZPP ZPR ZPS ZPT ZRA ZRA ZRB ZRB ZRC ZRC ZRE ZRF ZRK ZRL ZRM ZRM ZRN ZRO ZRR ZRS ZRT ZRY ZSF ZSH ZSI/x ZSM/x ZSN ZSO ZSR ZSS ZST ZSU ZSV ZTA ZTH ZTI ZUA ZUA ZUB ZUC ZUE ZUG ZUH ZUJ ZVB ZVF ZVP ZVR ZVS ZWB ZWC ZWO ZWR ZWS/x ZWT ZXA ZXC ZXD ZXF ZXH ZXJ ZXK ZXL ZXO ZXP ZXS ZXV ZYA ZYC ZYK ZYM ZYN ZYP ZYR ZYS ZYT ZYX/x ZZF ZZG ZZH |
You are not observing circuit discipline Your speedkey improperly adjusted Advise (Call sign of) frequency you are reading Cease using speed key Signal (1) Not understood (2) Not held Unable to receive you try via ____ Reroute the circuit by patching Unable to relay. We file Run ____ (foxes, RY's, mk, etc.) Have been unable to break you Alter your wave-Length Closing down due to ____ We can receive absolutely nothing Transmit only msgs of above precedence ____ Can't understand voice. Use Telegraph Acknowledge, please Work ____ (simplex, duplex mux sb) Last word received (sent) was ____ Revert to Automatic Relay Rerun tapes run on ____ since ____ Punching tape for transmission Send blind until advised You are causing interference Send on ____ (kcs). Will confirm later Cause of delay is ____ Following was sent ____ (time) Retransmit message ____ to ____ You are sending upper case Make call before transmitting traffic Listen for telephony Do not use break-in Put ____ (speed operator) this frequency Break and go ahead with New slip Your tape reversed I have traffic (1) Characters indistinct (2) Spacing bad When & on what frequency was message received Break circuit. Retuning Shall I send by ____ (method)? Blurring Signals (1) Dots heavy (2) Dots light Count ____ as ____ groups Report communication with ____ Answer on ____ mc I shift (or ask ____) to ____ (kcs) Pull Back your tape one Yard Circuit Affected. Make readable signals Circuit Broken. Signal unheard Collate Code Your collation is Different Check your center frequency, please Circuit Interrupted. Running & available Check Keying Transmit Call Letters intelligibly Your Collation Omitted Conditions Poor, increase to maximum Using concentrator. Make warning signals Cease Sending Send Code Twice Are you in direct communication with ____ ? Hr. formal message, priority ____ Expedite reply to my ____ Diagnosing circuit faults, will advise Message undelivered. (1)Will keep trying (2)Advise disposal (3)Canceling (4) Btr. ads. Message ____ undelivered Frequency is Drifting to degree indicated, 1-5 Message ____ received by addressee at ____ (time) Accuracy of following doubtful Your Dots are too Heavy (long) Your Dots are too Light (short) Your Dots Missing This is a multiple-address message Report disposal of message ____ Message ____ relayed to ____ at ____ by ____ Msg just transmitted erroneous. Correct version is ____ Following Transmitters running Dual Don't Transmit exercise messages until advised Your Dots Varying length please remedy Private message received for ____ . Advise No private messages until ordered Have you received message ____? Experiencing Drop-outs 1-5 We are Experiencing Fill-ins 1-5 We are Experiencing Garbles 1-5 Accuracy of heading doubtful No answer required This message is correction to ____ This message is classified Parts marked ZEP coming later Exercise (drill message) Failing Auto Message intercepted or copied blind Signals are fading badly Pass this message to ____ Check your FSK shift please Depth of Fading is as indicated 1-5 This message is a suspected duplicate Advise when message received by ____ Message for (1) Action (2) Info (3) Comment Reply to message? There is no reply Revert to FSK Signals faded out Frequency shift your signal is ____ cps Rapidity of Fading is as indicated, 1-5 Cancel transmission ____ Signals are Fading Slightly Send ____ (answer) ____ signals good for ____ wpm Make call signs more distinctly Please Give Priority Your signals getting stronger Your signals getting weaker How are conditions for Auto reception? How are your receiving conditions? Harmonic radiation from transmitter Send High Speed auto ____ wpm We are Holding Your ____ Industrial or Medical interference 1-5 Increase Power You have strong Idle Radiation Atmospheric interference; 1-5 Frequency Jumping to degree indicated 1-5 Who is controlling station? or I am ____ Permission necessary before transmitting messages Take control of net ____ or shall I ____ I (or ___ ) reports into circuit (net) Station leaves net temporarily Closing down (until ____ ) Revert to On/Off Keying Say when ready to resume What Stations Keeping watch on ____? Keying weight is ____ (percent) Give Long Breaks, please We are getting Long Dash from you Distorted Land Line control signals Low (minimum) Power We are suffering from lightning Storm Magnetic activity Stand by moment MisPunch or perforator failure Stand by for ____ Multipath making ____ mark bias No Breaks we send twice Authentication is ____ No communications with ____ All stations authenticate You are misusing authenticator Receiving conditions No Good for code No call letters (identification) heard All clear of traffic Not On the air Not Received Here New Slip Have checked ____ (call-letters) OK Relay to your sub-stations Observing ___ will transfer when better Act as radio link between me and ____ Can you accept message? (or) Give me message Relay this message Transmit your message (give info.) What traffic have you On Hand? We are receiving ok Relay this message via ____ OK. On Line Mail delivery permissible Transmit Only Reversals Give instructions for routing traffic Obtain retransmission of message ___ Printer line Advance not received Your speech distorted Printer Carriage-return not received Signals fading 1-5 Punch Everything Printer motor Fast Send plain Once Punch Plain only Rerun slip at Present Running Printer motor Slow Send Plain Twice Reverse Auto tape My frequency OK? Your frequency is ____ Relayed signal bad, adjust receiver Check your frequency on this circuit Can you Receive Code? Shall I, or tune your transmitter to ____ Hear you best on ____ (kcs) Send tuning signals on present frequency Reversed Keying Rerun slip before one now running Please remove modulation from ____ I receive ____ (usb, lsb, isb's) Rough Note Are you receiving ok? Run Reversals Rerun message No. ____ Revert to Traffic Run test slip please Send faster Static heavy here Please furnish Signal intensity Microvolt input to receiver is ____ Give SINPO report on ____ Transmit Slips Once Your signals strong & Readable Send Slower Transmit Slips Twice Your signals are unreadable Your Speed Varying Transmit by Auto Transmit by Hand Transmission temporarily interrupted Conditions Unsuitable for Automatic recording Timing signal will be transmitted We have been unable to break you Unable to comply. Will do so at ____ Affirmative (yes) Negative (no) Unable to comply Wait. Stand by Varying Bias Signals Varying in Frequency Send V's Please Pass at once to sub-stations Signals Varying in intensity Name of operator on watch Wipers or Clicks here Send words once Your signals weak but readable Wavelength (frequency) is Swinging 1-5 Send words twice Adjust to receive speeds ____ (RADIOFAX) Pix ____ Conditionally accepted (RADIOFAX) Send Dashes please (RADIOFAX) You are Floating Fast (RADIOFAX) Limits High, reduce ____ cycles (RADIOFAX) You are Jumping out of phase (RADIOFAX) Is your synchronizing correct? (RADIOFAX) Limits are Low increase ____ cycles (RADIOFAX) Last run defaced due to ____ (RADIOFAX) Go ahead with Pix (RADIOFAX) You are floating Slow (RADIOFAX) Your modulation is Varying (RADIOFAX) Cease traffic send A's on A channel (MULTIPLEX) Cycling on ARQ, errors stored your end (MULTIPLEX) Check Your Keying on channel ____ (MULTIPLEX) Change from single printer to Multiplex (MULTIPLEX) Make bias Neutral (MULTIPLEX) Change from multiplex to single Printer (MULTIPLEX) Please put ____ on MUX revolutions (MULTIPLEX) What is your speed of transmission? Check Your Thyratrons (MULTIPLEX) Revert to MUX frames ____ channels (MULTIPLEX) Incorrect You are correct Try again |
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Revised: June 08, 2017
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