Morse Code Reference
Complete reference guide with common phrases and prosigns
0
-----
1
.----
2
..---
3
...--
4
....-
5
.....
6
-....
7
--...
8
---..
9
----.
A
.-
B
-...
C
-.-.
D
-..
E
.
F
..-.
G
--.
H
....
I
..
J
.---
K
-.-
L
.-..
M
--
N
-.
O
---
P
.--.
Q
--.-
R
.-.
S
...
T
-
U
..-
V
...-
W
.--
X
-..-
Y
-.--
Z
--..
.
.-.-.-
,
--..--
?
..--..
'
.----.
!
-.-.--
/
-..-.
(
-.--.
)
-.--.-
&
.-...
:
---...
;
-.-.-.
=
-...-
+
.-.-.
-
-....-
_
..--.-
"
.-..-.
$
...-..-
@
.--.-.
SPACE
/
Common Phrases
Emergency
SOS
Distress signal
... --- ...
MAYDAY
Emergency call
-- .- -.-- -.. .- -.--
HELP
Request assistance
.... . .-.. .--.
Greetings
HELLO
Greeting
.... . .-.. .-.. ---
HI
Informal greeting
.... ..
GOODBYE
Farewell
--. --- --- -.. -... -.-- .
BYE
Informal farewell
-... -.-- .
Responses
YES
Affirmative
-.-- . ...
NO
Negative
-. ---
OK
Acknowledgment
--- -.-
ROGER
Message received
.-. --- --. . .-.
Common Words
THANKS
Gratitude
- .... .- -. -.- ...
PLEASE
Polite request
.--. .-.. . .- ... .
SORRY
Apology
... --- .-. .-. -.--
LOVE
Affection
.-.. --- ...- .
Prosigns
Procedural signals used in morse code communication
AR
.-.-
End of message
AS
.-...
Wait
BT
-...-
Pause/Break
CL
-.-..-..
Going off the air
CT
-.-.-
Start copying
KN
-.--
Invitation to transmit
SK
...-.-
End of contact
SN
...-.
Understood
Timing Rules
Dot Duration
1 unit
Dash Duration
3 units
Gap Between Dots/Dashes
1 unit
Gap Between Characters
3 units
Gap Between Words
7 units
Learning Tips
- •Start with common letters: E, T, A, O, I, N
- •Learn the rhythm, not just dots and dashes
- •Practice daily for best retention
- •Use mnemonics to remember patterns
For letter-by-letter lookup, open the Morse Code Chart. For structured lessons, use Learn Morse Code. To build consistency, try the Daily Challenge.