Procedure Words (Prowords)

To keep voice transmissions as short and clear as possible, radio operators employ procedure words (prowords)—a word or phrase limited to radio telephone procedure, used to facilitate communication by conveying information in a condensed standard form. The following is a list of commonly used prowords.

all after.....................................	I authenticate........................	silence
all before...................................	I read back.............................	silence lifted
authenticate.............................	I say again.............................	speak slower
authentication is.......................	I spell.....................................	this is
break........................................	I verify....................................	time
correct.......................................	message................................	to
correction..................................	more to follow........................	unknown station
disregard this transmission—out............................................	out.........................................	verify
do not answer..........................	over.......................................	wait
exempt......................................	priority...................................	wait out
figures.......................................	read back...............................	wilco
flash..........................................	relay to..................................	word after
from..........................................	roger......................................	word before
groups......................................	routine...................................	words twice
immediate.................................	say again...............................	wrong
info............................................	service...................................