International Morse Code & Prosigns

International Morse Code & Prosigns

Letters A–Z, Numbers 0–9, and the most common CW procedural signals (prosigns).


Letters

A·–N–·
B–···O–––
C–·–·P·––·
D–··Q––·–
E·R·–·
F··–·S···
G––·T
H····U··–
I··V···–
J·–––W·––
K–·–X–··–
L·–··Y–·––
M––Z––··

Numbers

1·––––6–····
2··–––7––···
3···––8–––··
4····–9––––·
5·····0–––––

Punctuation

Period (.) = ·–·–·– Comma (,) = ––··–– Question (?) = ··––·· Slash (/) = –··–· Equals (=) = –···–


Prosigns for Morse Operation

ProsignMeaning / Use
AR (·–·–·)End of message
AS (·–···)Wait / Standby
BT (–···–)New paragraph / Break
CT (–·–·–)Start of transmission (calling sign)
KN (–·–·–)Invitation to a specific station to transmit
SK (···–·–)End of contact (“Silent Key” closing)
BK (–···–)Break in transmission / quick exchange
CL (–·–··–··)Going off the air / closing station

“Keep this code handy — every dot and dash carries the Amateur’s spirit.”

Creative Commons License
This work by Richard Bailey (KB5JBV) and The Resonant Frequency Podcast is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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