General
read back
What does read back mean?
A procedure word meaning "repeat this entire transmission back to me exactly as received," used to confirm critical information such as coordinates or frequencies was copied correctly.
""Fire mission grid, read back.""
Origin
Standard radiotelephony procedure word for verifying accurate receipt.
Frequently asked questions
What does 'read back' mean on the radio?
It's an instruction telling the receiving station to repeat the entire transmission back exactly as received, to confirm it was copied correctly.
When is 'read back' used?
For critical information where errors could be dangerous — such as grid coordinates, frequencies, or a fire mission — so the sender can verify accuracy.
What's the difference between 'read back' and 'say again'?
'Read back' asks the other station to repeat what you just sent them so you can check it; 'say again' asks them to repeat what they sent you because you missed it.
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