five by five

Loud and clear. From military erminology. Old radios had two readings. Loudness and clarity rated from 0-5. Thus five by five means literally loud and clear.

How's my signal?

Five by five.

351👍 83👎

6

Behind. From aviation terminology where 12 oclock is straight ahead and 6 oclock is behind.

Bandits on my six!

245👍 150👎