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U.S. Armed Forces Institute Basic Radio Code

Recordings of 78-RPM Morse Code training records
from archive.org

Recordings of 78-RPM Morse Code training records, prepared by the U.S. "Special Service Division, S.O.S., War Department". Manufactured by Allied Record Mfg Co., Hollywood, Calif. (See images of record labels.) There is no date on the recordings but judging by the content ("CORREGIDOR... Get the message through!...") the estimated year of manufacture is probably 1942 or 1943.

The recorded material consists of a code aptitude test, introduction to Morse Code letters and numbers, and training at various speeds up to 16 WPM. There were originally 22 records (44 sides) in the collection but the final one is missing here.

These re-recordings of the original phonograph records have been processed in order to remove some of the disc surface noise.

  1. Side 1A - Signal Corps Code Aptitude Test (3.7Mb)
  2. Side 1B - Signal Corps Code Aptitude Test (4.2Mb)
  3. Side 2A - Signal Corps Code Aptitude Test (3.7Mb)
  4. Side 2B - Introduction to Teaching and Practice (4.9Mb)
  5. Side 3A - Introduction (Cont.) and Unit I Single (4.8Mb)
  6. Side 3B - Unit I Single (Cont.) (4.8Mb)
  7. Side 4A - Unit I Groups of Two (4.4Mb)
  8. Side 4B - Unit I Groups of Two (Cont.) (5.1Mb)
  9. Side 5A - Unit II Single (4.9Mb)
  10. Side 5B - Unit II Single (Cont.) (4.7Mb)
  11. Side 6A - Unit II Groups of Two (4.3Mb)
  12. Side 6B - Unit II Groups of Two (Cont.) (4.7Mb)
  13. Side 7A - Unit I and II Single (4.8Mb)
  14. Side 7B - Unit I and II Single (Cont.) (4.5Mb)
  15. Side 8A - Unit I and II Groups of Two (4.7Mb)
  16. Side 8B - Unit III Single (4.8Mb)
  17. Side 9A - Unit III Single (Cont.) (4.8Mb)
  18. Side 9B - Unit III Groups of Three (4.9Mb)
  19. Side 10A - Unit IV Single (4.7Mb)
  20. Side 10B - Unit IV Single (Cont.) (4.7Mb)
  21. Side 11A - Unit IV Groups of Four (4.8Mb)
  22. Side 11B - Unit I-III Groups of Three (4.6Mb)
  23. Side 12A - Unit I-III Groups of Three (Cont.) (4.9Mb)
  24. Side 12A - Unit I-III Groups of Three (Cont.) (2.4Mb)
  25. Side 12B - Unit I-IV Groups of Four (4.5Mb)
  26. Side 13A - Unit I-IV Groups of Four (Cont.) (4.9Mb)
  27. Side 13B - Unit V Single (4.8Mb)
  28. Side 14A - Unit V Single (Cont.) (4.7Mb)
  29. Side 14B - Unit V Groups of Five (4.5Mb)
  30. Side 15A - Unit I-V Groups of Five (4.5Mb)
  31. Side 15B - Unit I-V Groups of Five (Cont.) (4.6Mb)
  32. Side 16A - Six Words Per Minute (4.7Mb)
  33. Side 16B - Six Words Per Minute (4.7Mb)
  34. Side 17A - Eight Words Per Minute (4.7Mb)
  35. Side 17B - Eight Words Per Minute (4.7Mb)
  36. Side 18A - Ten Words Per Minute (4.8Mb)
  37. Side 18B - Ten Words Per Minute (4.3Mb)
  38. Side 19A - Ten Words Per Minute (4.7Mb)
  39. Side 19B - Twelve Words Per Minute (4.6Mb)
  40. Side 20A - Twelve Words Per Minute (4.6Mb)
  41. Side 20B - Sixteen Words Per Minute (4.6Mb)
  42. Side 21A - Sixteen Words Per Minute (4.7Mb)
  43. Side 21B - Sixteen Words Per Minute (4.6Mb)

MP3 files hosted by archive.org.