The following diagram depicts a 5-unit Baudot Code. A hole in the appropriate bit position indicates a Mark (logic 1). The lack of a punched hole indicates a Space (logic 0). The smaller holes in the middle of the tape fit over a sprocket which feeds the tape through the Tape Punch or Tape Reader.
The characters depicted are the Baudot letters "W", "K", and "D". The "W" (the top character) is sent or received first.
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