Something to do with the military would make more sense to me https://archive.is/pnUS4
https://answers.yahoo.com/question/index?qid=20070208042808AAITwHA
What's 5 by 5 mean in the military?
Comes from the old military manual for communications. When sending morse code, they would use short forms that always started with Q, called..... Q-Signals. The two key ones were QRK and QSA for What is my Readability and How good is my Signal. The answers were sent back on a scale of 1 bad to 5 very good. So when a Radio check is done and the answer comes bad 5 by 5 it is the same as saying signal is very strong, message is very readable.
" "5 by 5" or "5 square" means loud and clear."
Thanks for the in-depth breakdown! That sounds so much better than Gabriel blowing the first trumpet.
Did not know that - thank you.
Spot on, this is the correct answer.
The answers were sent back on a scale of 1 bad to 5 very good. So when a Radio check is done and the answer comes bad 5 by 5 it is the same as saying signal is very strong, message is very readable.
Further, 5 by 1 means the signal is strong, but the message content is not understandable. 1 by 5 means the content is completely understandable, but the signal is very weak
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