Morse code is generally used when other forms of communication are not possible. Also known as CW (Continuous Wave).
Alphabet
A DiDah (•–)
B DahDiDiDit (–•••)
C DahDiDahDit (–•–•)
D DahDiDit (–••)
E Dit (•)
F DiDiDahDit (••–•)
G DahDahDit (––•)
H DiDiDiDit (••••)
I DiDit (••)
J DiDahDahDah (•–––)
K DahDiDah (–•–)
L DiDahDiDit (•–••)
M DahDah (––)
N DahDit (–•)
O DahDahDah (–––)
P DiDahDahDit (•––•)
Q DahDahDiDah (––•–)
R DiDahDit (•–•)
S DiDiDit (•••)
T Dah (–)
U DiDiDah (••–)
V DiDiDiDah (•••–)
W DiDahDah (•––)
X DahDiDiDah (–••–)
Y DahDiDahDah (–•––)
Z DahDahDiDit (––••)
Numerals
1 DiDahDahDahDah (•––––)
2 DiDiDahDahDah (••–––)
3 DiDiDiDahDah (•••––)
4 DiDiDiDiDah (••••–)
5 DiDiDiDiDit (•••••)
6 DahDiDiDiDit (–••••)
7 DahDahDiDiDit (––•••)
8 DahDahDahDiDit (–––••)
9 DahDahDahDahDit (––––•)
0 DahDahDahDahDah (–––––)
Procedure signals
AR - End of Message (•– •–•)
AS - Wait (Stand by) (•– •••)
BK - Break. I wish to interrupt transmission (–••• –•–)
BT - Pause (–••• –)
CL - Closing down (going off air) (–•–• •–••)
CQ - Calling any station (–•–• ––•–)
K - Go ahead. Invite any station to transmit (–•–)
KN - Invite specific station only to transmit (–•– –•)
R - All received OK (•–•)
SK - End of contact (sent before final callsign lDs) (••• –•–)
Special characters
Full stop . DiDahDiDahDiDah (•–•–•–)
Comma , DahDahDiDiDahDah (––••––)
Colon : DahDahDahDiDiDit (–––•••)
Question mark - Repeat ? DiDiDahDahDiDit (••––••)
Apostrophe ‘ DiDahDahDahDahDit (•––––•)
Hyphen - Dash – DahDiDiDiDiDah (–••••–)
Fraction Bar / DahDiDiDahDit (–••–•)
Parenthesis (left hand) ( DahDiDahDahDit (–•––•)
Parenthesis (right hand) ) DahDiDahDahDiDah (–•––•–)
Quotation marks “ DiDahDiDiDahDit (•–••–•)
Error DiDiDiDiDiDiDiDit (••••••••)
@ DiDahDahDiDahDit (•––•–•)
Spacing and length
A dash is equal to three dots.
The space between the dots and dashes which form the same character is equal to one dot.
The space between two characters is equal to three dots.
The space between two words is equal to seven dots.