The unit codes are different which makes the calculations bothersome. 5 level ITA2: 45 baud = 60 wpm 50 baud = 67 wpm 75 baud = 100 wpm 6 level TTS: 51 Baud = 60 wpm 8 level ASCII 110 Baud = 100 wpm 150 Baud = 150 wpm 300 Baud = 300 wpm