ITU T.50 - History

History

At the beginning was the International Telegraph Alphabet No. 2#ITA2, a five bits code.

IA5 is an improvement based on seven bits bytes.

International Telegraph Alphabet No. 2#ITA2

  • 5 T.50 (09/1992) In force
  • 4 T.50 (11/1988) Superseded
  • 3 T.50 (10/1984) Superseded
  • 2 V.3 (11/1980) Superseded
  • 1 V.3 (10/1976) Superseded

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