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Morse Code Flashcards: A–Z and 0–9 in Both Directions

Learn International Morse Code with 72 two-way visual-recall cards covering every letter A–Z and digit 0–9 from character to pattern and pattern to character.

By author Flashcards Open Source App

About this deck

Recommendation ITU-R M.1677-1 lists Morse signals for the 26 letters A–Z, the accented letter é, and the ten figures 0–9. This deck deliberately uses the A–Z and 0–9 subset, turning those 36 character mappings into 72 visual-recall cards: each character asks for its dot-and-dash pattern, and each pattern asks for its character.

The cards use one deterministic mixed sequence instead of alphabetical or numeric runs. Every reverse pair is separated by at least 32 cards, and one-step-confusable patterns are kept at least three positions apart, so nearby prompts don’t hand over the next answer.

Scope stays narrow: no punctuation, accented characters, prosigns, timing rules, words, callsigns, mnemonics, audio, cut numbers, or sending/key technique. The deck trains visual recall of individual character mappings. It doesn’t replace listening to real CW (continuous-wave Morse) or practicing transmission.

Source: Recommendation ITU-R M.1677-1, International Morse code, in force. Original wording, order, metadata, and cover are dedicated under CC0-1.0.

Cards in this deck

  1. Card 1

    Question

    · · · − → character

    Answer

    V

  2. Card 2

    Question

    O → Morse

    Answer

    − − −

  3. Card 3

    Question

    − − · · → character

    Answer

    Z

  4. Card 4

    Question

    R → Morse

    Answer

    · − ·

  5. Card 5

    Question

    − − − − · → character

    Answer

    9

  6. Card 6

    Question

    4 → Morse

    Answer

    · · · · −

  7. Card 7

    Question

    · − → character

    Answer

    A

  8. Card 8

    Question

    · − − · → character

    Answer

    P

  9. Card 9

    Question

    C → Morse

    Answer

    − · − ·

  10. Card 10

    Question

    · · · − − → character

    Answer

    3

  11. Card 11

    Question

    1 → Morse

    Answer

    · − − − −

  12. Card 12

    Question

    I → Morse

    Answer

    · ·

  13. Card 13

    Question

    − · − → character

    Answer

    K

  14. Card 14

    Question

    X → Morse

    Answer

    − · · −

  15. Card 15

    Question

    − · · · · → character

    Answer

    6

  16. Card 16

    Question

    H → Morse

    Answer

    · · · ·

  17. Card 17

    Question

    · − − → character

    Answer

    W

  18. Card 18

    Question

    D → Morse

    Answer

    − · ·

  19. Card 19

    Question

    · − · · → character

    Answer

    L

  20. Card 20

    Question

    7 → Morse

    Answer

    − − · · ·

  21. Card 21

    Question

    − − − − − → character

    Answer

    0

  22. Card 22

    Question

    G → Morse

    Answer

    − − ·

  23. Card 23

    Question

    · → character

    Answer

    E

  24. Card 24

    Question

    U → Morse

    Answer

    · · −

  25. Card 25

    Question

    − · − − → character

    Answer

    Y

  26. Card 26

    Question

    5 → Morse

    Answer

    · · · · ·

  27. Card 27

    Question

    − − → character

    Answer

    M

  28. Card 28

    Question

    Q → Morse

    Answer

    − − · −

  29. Card 29

    Question

    · · − − − → character

    Answer

    2

  30. Card 30

    Question

    8 → Morse

    Answer

    − − − · ·

  31. Card 31

    Question

    S → Morse

    Answer

    · · ·

  32. Card 32

    Question

    − · · · → character

    Answer

    B

  33. Card 33

    Question

    N → Morse

    Answer

    − ·

  34. Card 34

    Question

    · − − − → character

    Answer

    J

  35. Card 35

    Question

    F → Morse

    Answer

    · · − ·

  36. Card 36

    Question

    · − · → character

    Answer

    R

  37. Card 37

    Question

    T → Morse

    Answer

    −

  38. Card 38

    Question

    V → Morse

    Answer

    · · · −

  39. Card 39

    Question

    − − − → character

    Answer

    O

  40. Card 40

    Question

    A → Morse

    Answer

    · −

  41. Card 41

    Question

    · · · · − → character

    Answer

    4

  42. Card 42

    Question

    Z → Morse

    Answer

    − − · ·

  43. Card 43

    Question

    · − − − − → character

    Answer

    1

  44. Card 44

    Question

    3 → Morse

    Answer

    · · · − −

  45. Card 45

    Question

    − · − · → character

    Answer

    C

  46. Card 46

    Question

    P → Morse

    Answer

    · − − ·

  47. Card 47

    Question

    − · · − → character

    Answer

    X

  48. Card 48

    Question

    K → Morse

    Answer

    − · −

  49. Card 49

    Question

    · · · · → character

    Answer

    H

  50. Card 50

    Question

    W → Morse

    Answer

    · − −

  51. Card 51

    Question

    · · → character

    Answer

    I

  52. Card 52

    Question

    6 → Morse

    Answer

    − · · · ·

  53. Card 53

    Question

    − · · → character

    Answer

    D

  54. Card 54

    Question

    9 → Morse

    Answer

    − − − − ·

  55. Card 55

    Question

    − − · · · → character

    Answer

    7

  56. Card 56

    Question

    L → Morse

    Answer

    · − · ·

  57. Card 57

    Question

    − − · → character

    Answer

    G

  58. Card 58

    Question

    · · − → character

    Answer

    U

  59. Card 59

    Question

    0 → Morse

    Answer

    − − − − −

  60. Card 60

    Question

    − − · − → character

    Answer

    Q

  61. Card 61

    Question

    E → Morse

    Answer

    ·

  62. Card 62

    Question

    − − − · · → character

    Answer

    8

  63. Card 63

    Question

    M → Morse

    Answer

    − −

  64. Card 64

    Question

    · · · → character

    Answer

    S

  65. Card 65

    Question

    B → Morse

    Answer

    − · · ·

  66. Card 66

    Question

    − · → character

    Answer

    N

  67. Card 67

    Question

    J → Morse

    Answer

    · − − −

  68. Card 68

    Question

    · · · · · → character

    Answer

    5

  69. Card 69

    Question

    2 → Morse

    Answer

    · · − − −

  70. Card 70

    Question

    · · − · → character

    Answer

    F

  71. Card 71

    Question

    Y → Morse

    Answer

    − · − −

  72. Card 72

    Question

    − → character

    Answer

    T

A brass telegraph key beside glowing dot-and-dash pulses on a dark blue background.

72 cards

Morse Code Flashcards: A–Z and 0–9 in Both Directions

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