A five-by-five report rates a transmission for clarity and signal strength on two five-point scales. A full score means the message is both clear and strong. The explanation includes a caveat that the two numbers might have been given in reverse order. The exchange occurs during an audio check and defines the radio shorthand directly.
Notable Point · 3:42-4:03
What a five-by-five signal report means
A five-by-five report indicates full clarity and signal strength, although the order of the two ratings is left uncertain.