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Created May 14, 2023 02:59
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simple_ax25_sequence.md 
sequenceDiagram
  participant A as Alice's Computer
  participant AR as Alice's Radio
  participant BR as Bob's Radio
  participant B as Bob's Computer
  B ->> B: Starts recording audio Line Input
  AR ->> AR: Press PTT
  A ->> A: Plays message-to-broadcast.wav on audio output
  A ->> AR: Audio Output, TX cable (Microphone)
  AR -->> BR: Transmits AX.25
  BR ->> B: RX cable (Speaker), audio Line Input
  A ->> A: Media play ends
  AR ->> AR: Releases PTT
  B ->> B: Records audio
  B ->> B: Saves recorded-broadcast.wav
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