LeapFrog USA on Instagram: "What's the date today? 10-4, good buddy! But why do we say "ten four" to mean "understood?" It's from old radio codes! 📻📻📻 #LeapFrog #DidYouKnow #LetsRecordMusicPlayer"
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What's The Difference Between “10-4”, “Roger”, And “Copy” In Radio Language? (Detailed) – All The Differences
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Alvin ISD Police Department - Every wonder what the radio lingo 10-4 means? APCO 10 code signals: 10-4 is code for "I understand your transmission”, the codes were developed in the 1930's
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![What does `10-4`- - -"Ten-Four" mean? - Definition of `10-4`- - -"Ten-Four" - `10-4`- - -"Ten-Four" stands for "OK, Roger that:message received"*`citizens radio` expression:. By AcronymsAndSlang.com What does `10-4`- - -"Ten-Four" mean? - Definition of `10-4`- - -"Ten-Four" - `10-4`- - -"Ten-Four" stands for "OK, Roger that:message received"*`citizens radio` expression:. By AcronymsAndSlang.com](http://acronymsandslang.com/acronym_image/2395/0999424d74090f51cf38ebf55d90bd82.jpg)
What does `10-4`- - -"Ten-Four" mean? - Definition of `10-4`- - -"Ten-Four" - `10-4`- - -"Ten-Four" stands for "OK, Roger that:message received"*`citizens radio` expression:. By AcronymsAndSlang.com
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