Answer: tenfour

AnswerCrossword Clue
TENFOUR

CB sign-off

TENFOUR

Start of a sign-off phrase

TENFOUR

"Roger"

TENFOUR
On-air acknowledgment
TENFOUR
CBer's sign-off
TENFOURPolice radio affirmative
TENFOURCBer's affirmative
TENFOURCB O.K.
TENFOURO.K., to a CBer
TENFOURTrucker's approval
TENFOUR"Message received"
TENFOURCBer's "roger"