[AA]--(Separation between parts of address or signature.)AA--All after (use to get fills).

AB--An before (used to get fills).

ADEE--Addressee (name of person to whom message addressed).

[ADR]--Address (second part of message).AR--End of message (end of record copy).

AR is used at the end of a transmission when calling a specific station before the two-way contact has been established. Use it in place of K or KN when answering a CQ, or calling someone for a sked.

ARL--(Used with "check," indicates use of ARRL numbered message in text).

[AS]--Stand by; wait.

B--More (another message to follow).

BK--Break; break me; break-in (interrupt transmission on cw. Quick check on phone).

[BT]--Separation (break) between address and text; between text and signature.

C--Correct; yes.

CFM--Confirm. (Check me on this).

CK--Check.

DE--From; this is (preceding identification).

[HH]--(Error in sending. Transmission continues with last word correctlysent.)

HX--(Handling instructions. Optional part of preamble.) Initial(s). Single letter(s) to follow.

[IMI]--Repeat; I say again. (Difficult or unusual words or groups.)

K--Go ahead; over; reply expected. (Invitation to transmit .)

N--Negative, incorrect; no more. (No more messages to follow.)

NR--Number. (Message follows.)

PBL--Preamble (first part of message)

R--Roger; point. (Received; decimal point.)

SIG--Signed; signature (last part of message.)

[SK]--Out; clear (end of communications, no reply expected.)

SN--Soon

TU--Thank you.

WA--Word after (used to get fills.)

WB--Word before (used to get fills.)