amateur radio common abbreviations

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Amateur Radio Common AbbreviationsIn December, 1915, the American Radio Relay League began publication of a magazine titled QST, named after the Q code for "General call to all stations". In amateur radio, the Q codes were originally used in Morse code transmissions to shorten lengthy phrases and were followed by a Morse code question mark (..--..) if the phrase was a question. Q codes are commonly used in voice communications as shorthand nouns, verbs, and adjectives making up phrases. For example, an amateur radio operator will complain about QRM (man-made interference), or tell another operator that there is "QSB on the signal"; "to QSY" is to change your operating frequency. Abbreviations AA AB ABT ADR AGN AM ANT BCI BCL BK BN BUG B4 C CFM CK CL CLD CLG CQ CW DLD DLVD DR DX ES FB FM GA GN GND Meaning All after All before About Address Again Amplitude Modulation Antenna Broadcast Interference Broadcast Listener Break; Break in All between; Been Semi-Automatic key Before Yes Confirm; I confirm Check I am closing my station; Call Called Calling Calling any station Continuous wave (Morse code) Delivered Delivered Dear Distance And fine Business (Excellent) Frequency Modulation Go Ahead Good Night Ground Abbreviations OPR OT PBL PSE PWR PX R RCD RCVR RX REF RFI RIG RTTY SASE SED SIG SINE SKED SRI SSB SVC T TFC TMW TKS TNX TT TU Meaning Operator Old Timer; Old Top Preabble Please Power Press Received as transmitted; Are Received Receiver Receiver Refer to; Referring to; Reference Radio Frequency Interference Station Equipment Radio TeleTYpe Self-addressed, stamped envelope Said Signature; Signal Operator's personal initials or nickname Schedule Sorry Single Side Band Service; Prefix to service message Zero Traffic Tomorrow Thanks Thanks That Thank You

GUD HI HR HV HW LID MA MILS MSG N NCS ND NIL NM NR NW OB OC OM OP

Good The telegraph laugh; High Here; Hear Have How A poor operator Millamperes Millamperes Message; Prefix to radiogram No Net Control Station Nothing Doing Nothing; I have nothing for you No More Number Now; I resume transmition Old Boy Old Chap Old Man Operator

TVI TX TXT UR URS VFO VY WA WB WD WDS WKD WKG WL WUD WX XCVR XTAL XYL YL 73 88

Television interference Transmitter Text Your; You're Yours Variable Frequency Oscillator Very Word after Word before Word Words Worked Working Well; Will Would Weather Transceiver Crystal Wife Young Lady Best Regarde Love and kisses

Military and Commercial Radio Z-Codes.The following list of Z-signals is composed from various sources. The Z code has originally been developed as a service code by Cable & Wireless Ltd. for usage in the commercial communications business. NATO military Z-signals are completely different from the old C&W codes. NATO military Z-signals ZAA...ZXZ are layed out in ACP 131; The series ZYA...ZZZ is reserved for the temporary or permanent assignment of meanings on an intra-military basis by any nation, service or command. * asterisk indicates NATO military usage (ACP-131(E), 1997). & ampersand indicates Russian military usage. In the following list, the Z codes are given in the answer, information or advice form. Z signals shall be read as a question when -- followed by the interrogation signal (IMI) in civil use -or-- preceeded by the prosign (INT) in NATO military use.

Note: numbers 1...5 following a Z signal mean: (1) very slight (2) slight (3) moderate (4) severe (5) extreme. Question ? ZAA* ZAB* ZAC ZAC* ZAD* Answer or Advice You are not observing proper circuit discipline. Your speed key is improperly adjusted. Advise (callsign of) frequency you are reading. Cease using speed key. Your operating signal (made at ...) received as ... (1) not understood; (2) not held. I am unable to receive you. Receipt through ... Will you patch me through to ... (via you I am about to patch you through to ... or ...) ? (via ...). Break .... (1) Go ahead with new text tape; (2) Go back ... feet; (3) Advance your key tape to reference mark number and repeat last transmission (or transmission ...). Unable to relay message ... in present form. (1) not in prescribed format; (2) format lines ... incorrect; (3) no on-line facility available; (4) call signs not encrypted; (5) text not encrypted. We file. Transmit correctly prepared message to all adressees (or to ...). Run ... (1) caller; (2) test tape; (3) synchronizing tape; (4) traffic tape; (5) marking signals; (6) spacing signals; (7) reversals;

ZAE* ZAF*

ZAG*

ZAH*

ZAI*

(8) teletypewriter space bar signals; (9) Date1 test at ... bd. ZAJ* ZAK ZAK* ZAL ZAL* ZAM* ZAN ZAN* ZAO* ZAP Shall I Work ... (1) simplex; (2) duplex; (3) diplex; (4) multiplex; (5) single sideband; (6) with automatic error correction system; (7) without automatic error correction system; (8) with time and frequency diversity modem ? I have (or ... has) been unable to break you. Transmission interrupted at ... hrs. Transmission on ... kHz (or ... MHz) suspended until ... (or was suspended at ...) on account of electrical hazards (or ...). Alter your wavelength. I am closing down (until ...) due to ... I am unable to obtain reply from teleprinter switchboard ... (for connection to ...). Request you call switchboard (or other intermediate switchboard) for me. We can receive absolutely nothing. Transmit only messages of and above precedence ... I cannot understand your speech, use radiotelegraph. Acknowledge, please. Work ... (1) simplex; (2) duplex; (3) diplex; (4) multiplex; (5) single sideband; (6) with automatic error correction system; (7) without automatic error correction system; (8) with time and frequency diversity modem. The last word (or group) (1) received from you (2) transmitted to you was ... Revert to automatic relay. This is my ... request (or reply) (1) first; (2) second; (3) third; etc. Rerun all tapes run on ... since ... (1) your present frequency; (2) ... kHz (or MHz);

ZAP*

ZAQ* ZAR ZAR* ZAS*

(3) call sign ...; (4) this channel or ... channel. ZAT* ZAU* ZAV* ZAW* What is teletype range taken on my signal(s) ? I am preparing traffic (perforating tape) for transmission. Teletype range taken on your signal(s) is ... to ... Transmit traffic for me (or for ...) by broadcast method until further directed (or until ...). Shall I transmit 12 inches of blank tape Transmit 12 inches of blank tape as short as short intervals at ... words per minute ? intervals at ... words per minute. You are ... (1) causing interference. Listen before sending; (2) causing interference by inattention to order to wait; (3) sending at the same time as ... (call sign); (4) causing delay by slowness in answering; (5) causing delay by slowness in answering my service or procedure messages; (6) answering out of turn. Transmit traffic to me (or to ...) on ... kHz (or MHz) without waiting for receipts. I (or ...) will confirm receipt for traffic later (on ... kHz (or MHz)). One or more transmitters, simultaneously keying on this broadcast, are defective but transmission will continue on remaining transmitters. Traffic so transmitted will be repeated when full service is restored. What is cause of delay (or of bad transmission) ? Delay (or bad transmission) due to ... Make ... copies of the following msg. For following message you will require a total of ... copies. You are transmitting a continuous ... (1) mark; (2) space. Will you repeat what you (or ...) sent (at ...) ? Following is what I (or ...) sent (at ...). Retransmit message ... to ... (for ...) (1) action; (2) information.

ZAX*

ZAY*

ZAZ*

ZBA* ZBB ZBB* ZBC* ZBD* ZBE*

ZBF ZBF* ZBG* ZBH* ZBI*

Use large message formula for the following telegram. For following message use large message forms. You are transmitting in UPPER CASE. Make preliminary call before transmitting traffic. Listen for radio telephony. The estimated errors per thousand printed characters in your signals (or those of ...) is ... (1) greater than 13; (2) 7 to 12; (3) 1 to 6; (4) nil. I am receiving your traffic ... (1) clear (2) garbled. I am unable to receive you while I am transmitting. Do not use break-in procedure. Place ... on watch on this frequency: (1) a qualified speed key operator; (2) a competent operator. Break and go ahead with new slip. Your ... is reversed: (1) tape; (2) mark and space. Of what precedence(s) and for whom is (are) your message(s) ? I have (or ... has) ... (numeral followed by precedence prosign for each preprecendece) message(s) for you (or for ...). Your ... (1) characters are indistinct; (2) spacing is bad. When and on what frequency was message ... received ? Shall I send by ... (1) direct (R) method; (2) broadcast (F) method; (3) intercept (I) method; (4) repeat back (G) method ? Message ... was received at ... on ... kHz (or MHz). Break circuit, retuning. Send by ... (1) direct (R) method; (2) broadcast (F) method; (3) intercept (I) method; (4) repeat back (G) method. Blurring signals,

ZBJ*

What are the estimated errors per thousand characters in my signals (or those of ...) ?

ZBK*

Are you receiving my traffic clear ?

ZBL*

ZBM* ZBN ZBN*

ZBO*

ZBP* ZBQ* ZBR

ZBR*

ZBS

(1) dots heavy (2) dots light. Your ... (1) dots are too heavy; (2) dots are too light; (3) dots are varying in bias; (4) dot spacing is bad; (5) dots are missing; (6) dots are blurring. How do you count following text group(s) ... ? Text group(s) ... should be counted as ... group(s). Report when you are in radio communication with ... Answer me (or ...) on ... kHz (or MHz). Will you shift (or ask ... to shift) to transmit on ... kHz (or MHz) ? Will you shift (or ask ... to shift) to receive on ... kHz (or MHz) ? I am (or ... is) shifting to transmit on ... kHz (or MHz). I am (or ... is) shifting to receive on ... kHz (or MHz). Break, pull back your tape one yard. Pass ... (1