Communication Procedure Signals
4. Instructions for Operators.
A. These prosigs shall not be used unless required in the
conduct of authorized communication and for station
B. Plain language shall not be used with these signals
except as prescribed and necessary for certain signal
C. IMI (?) May be used following a signal to indicate an
interrogatory sense when a signal with the desired
interrogatory meaning is not listed. The signal "ZZB" may be
used preceding a signal to give a negative sense in case a
signal with the desired negative meaning is not listed.
D. All blanks, except those within parentheses, must be
filled in; use of blanks in parentheses is optional. Data for
blanks shall appear in the same order as the blanks in the
signal. Stations, addresses, and locations shall normally be
indicated by call signs. Time shall be indicated by a
four-numeral group. Dates may be indicated by numerals
separated from the dispatch identification data by a slant (/)
sign. Signals and numerals in signals may be separated by
slant (/) signs to prevent misinterpretation.
ZAD Answer me on
NERK V K2WI ZAD 7045 K
ZCA Are you in communications with
NERK V K2WI ZCA ? NEPL K
ZCB I am in communications with
K2WI V NERK ZCB NEPL K
ZCC Call me again at ____ (on ____kc)
ZCJ You (or____) were sending at the same time as ____
ZCM Collective callsign ____ for the present includes ____
ZCS Did you (or ____) hear____ at ____ ?
ZCV General call
ZEQ How is my note?
ZER Your note is 1-Good, 2-Poor, 3-Rising and Falling,
ZES Your dots are ____ 1-Too Heavy, 2-Too Light
ZET Your transmitter is not keying properly.
ZFA I must shift to work another station (or _____)
ZFB Frequency _____ mc.
ZFC Frequency _____ mc.
ZFD Send Vís on this frequency (or _____ kc.)
ZFE I am (or _____ is) shifting to transmit on _____kc (at
ZFF I am (or _____ is) shifting to receive on _____ kc (at
ZFG I am (or _____ is) able to receive on on _____ kc.
ZFH I am (or _____ is) able to transmit on on _____ kc.
ZFK Shift (or direct _____) to transmit and receive on
ZFL What frequency are you (or is _____) using (to work
ZFM How does my frequency check?
ZFN Your frequency is correct.
ZFO Your frequency is too high (or is _____ kc too
ZFP Your frequency is too low (or is _____ kc too low).
ZFQ Your frequency is _____ kc.
ZFR Adjust your transmitter frequency to zero beat with
mine (or with _____ ).
ZFS Adjust your transmitter to proper frequency (or to
ZFT Transmit on _____ kc. If you do not answer within 20
minutes I will shift back to present frequency.
ZFU I am going to transmit on _____ kc. If you do not
answer within 20 minutes I will shift back to present
ZFV Measure your (or _____) frequency on this circuit (or
on _____ kc.)
ZLA CW mode
ZMJ Following received from ____
ZOA Send at speed of ____ wpm
ZRC Act as relay between me (or ____) and ____
ZSA Can you receive ____ ? If so what is his
ZSB I can receive ____ reability ____
1-Unreadable, 2-Poor, but readable, send plain lang. Twice,
code unreadable, 3-Fair, send plain lang. Once slowly, code
twice, 4-Readable, plain or code once, 5-Perfectly readable.
ZSC Your signals fade (from strength ____ to ____)
1-Very weak-hardly audible, 2-Moderately weak, 3-Medium
strong, 4-Moderately strong, 5-Strong
ZSD Decrease strength of signals
ZSE Increase strength of signals
ZSF What is my signal strength?
ZSG What is my readability?
ZZA Stand by.
ZZB Negative, no, not.
ZZC Affirmative, yes.
ZZD Meaning of your (or _____ís) procedure signal (or
procedure sign) is not understood.