meaning - Why does "do you read me" mean "do you hear me"?


Why does "Do you read me?" mean "Do you hear me?"


This phrase is used (in movies) during radio communication, for example.



Answer



The use of the word "read" in spoken radio transmissions was used to ask "how well is my message being received"


When using electronic voice communication, it is useful to know the quality of the signal being received. So the question "how (well) do you read (my transmission)" is asking for an indication of quality. The speaker wants to know if he needs to speak slower or louder to insure the message is received.


This is all part of voice procedure



Voice procedure communications are intended to maximize clarity of spoken communication and reduce misunderstanding. It consists of signalling protocol such as the use of abbreviated codes like the CB radio ten-code, Q codes in amateur radio and aviation, police codes, etc., and jargon.



A typical response might be "I read you 5 by 5" where the first number indicates the strength of the signal on a scale of 1 to 5 and the second number indicates the quality of the signal (how much noise there is).


"I read you five by five" means "I read you loud and clear" which implies "I hear and can understand everything you are saying"


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