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Why Do People Say Roger That On Their CBs? | Don't Be Dumb

Key Facts In This Video

  1. Astronauts and HAM radio communicators say "Roger" as voice procedure. 00:14

  2. People would type "R" to denote that a telegraph has been received. 00:42

  3. The American army and navy formed an alphabet that assigns a word to every letter. 01:04