National 10-4 Day

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Across
  1. 3. After first being used by police, ten-codes soon began being used by others who communicated by radio, such as by those using citizens band (CB), like _______ and radio enthusiasts.
  2. 7. Ten-codes, also known as ten signals, were invented to improve quick and clear _________.
  3. 8. use the code "10-4" when responding in the _____________.
  4. 10. Ten-Four Day salutes radio _____________.
Down
  1. 1. Ten-four (10-4) is an affirmative expression used in radio communications that translates to "_______ _______" (2 words)
  2. 2. you can hear ten-codes used by the police officers on the television series _____ _______ (2 words).
  3. 4. CBs are still used by truckers, Jeep enthusiasts, and those who drive out of _______ range.
  4. 5. Radio technology was new in the 1930s, and there were a limited amount of police channels, meaning that communication had to be _______.
  5. 6. ten-4 is one of the ten-codes, which were created by Illinois State Police Communications Director Charles _______ between 1937 and 1940.
  6. 9. They were put out by the Association of Public-Safety Communications Officials-International (APCO) to be used in radio communication between _______ officers.