Crossword answers for clue: this is only radio message

• ATEST_{"This is only ___!" (radio message)}

• ATEST_{"This is only ___" (radio message)}

• IRIS_{"Message" is its message}

• EMAILTHREAD_{Message that includes the original message and all succeeding replies}

• OVER_{Radio-message "period"}

• OVER_{Radio message ending}

• READS_{Understands, as a radio message}

• APB_{Police radio message: Abbr.}

• SOS_{Radio message.}

• AEROGRAM_{Radio message}