CW Resources


Note: CWops provides these resources for the benefit of all members. We take no responsibility for accuracy, content, or objectionable material. If you have a resource that you think should appear on this page, email: Kurt Zoglmann, AD0WE.


Morse Code Training

 CWOps Resources Web Browser
 G4FON Morse Trainer Windows
 RufzXP Windows
 Morse Runner Windows
 Just Learn Morse Code Windows
 LCWO Web Browser
 CWops Morse Code Trainer
Web Browser
 Lockdown Morse
Web Browser
 Morse Camp Web Browser
 ebook2cw Windows, Mac, Linux
Morse Code Ninja Code Course and Practice
NA0N Iambic Master
 AA9PW Code Practice
Web Browser
 K7QO Code Course MP3 Player
 Morse Toad
 Ham Morse iOS
 IZ2UUF Morse Koch CW Android
 Morse Machine Windows
 AE0S Claus’ Morse Trainer Android
 Deep Morse (Puzzles) Web Browser
 Koch Morse Trainer Pro Android
 Morse Machine for Ham Radio Android
 Continuous Wave Alexa Skill
 Seiuchy Web Browser
 QRQ Linux, Mac, Windows
Caller name in Morse code Android
KG9E Morse code trainer 10, 15, 20, 25, 30WPM Android
KG9E Practice Oscillators (Japaneese) Android
CW Teacher Windows
CyberCW Contest Windows

On-air Practice
One hour min-contests sponsored by CWOps! They are held every Wednesday starting at 13, 19, and 03 UTC.
NCCC Sprint (NS)
The Northern California Contest Club sponsors Thursday evening contest practice sessions of 30-minute duration.
SKCC Sked Chat
Create an account and request a scheduled contact. SKCC (Straight Key Century Club) members are friendly and will generally bend over backward to help out guys and gals trying to get started with on-air practice.
ARRL W1AW Broadcast
Code sent at 5 to 35wpm on a schedule. Content taken from QST magazine.

Operating Technique
Many of us have elmered new hams and DXers. The following resources are listed for our members as a library of good publications on the topic:

IARU: Resolutions & Policies

Interactive Online Resources
CW Academy
Excellent opportunity to get free and personalized assistance in learning Morse code. CWOps sponsor this program! Sessions are held Jan-Feb, Apr-May, and Sep-Oct. Classes fill up fast, so signup early!

Long Island CW Club Training
Classes are held most weekdays and are available at beginner, intermediate, and advanced levels.

Discord CW WW
Daily practice at 7:30 pm Pacific time (1:30 or 2:30 UTC depending on daylight savings time).
Online Morse code chat channels. The keyboard is used as a straight key.

CW over Internet Protocol. High quality. Allows hooking up physical paddle/keyer to the computer.

Morse Power
Software uses USB to serial adapter to hook up a paddle/keyer.

Morse over IP. Software uses Serial to USB or Bluetooth to hookup a paddle to the computer. Software runs on Arduino, Linux, iOS, OS X, and Windows.

General purpose video conference solution that is known to work well for online Morse code practice. For the best audio, disable “Automatically adjust microphone settings.” In addition to a computer and microphone, you will need a paddle, key, and way to generate a sidetone.

General purpose audio bridge that is known to work well for online Morse code practice. It is free and open source. In addition to a computer and microphone, you will need a paddle, key, and way to generate a sidetone.

Hardware for learning Morse Code
Full-featured standalone learning tool. It is a multifunctional Morse code device that can be used as a practice trainer, keyer, file player, and Morse code decoder. It has built-in capacitance paddles and speaker. Check out this review video. Also works as a LoRa transceiver on 430MHz!

K1EL Morse Tutor Keyer Kit
Trainer and built-in capacitance keyer. It can be used for standalone practice. Or practice with a buddy by connecting an RCA cable between two kits!

MFJ-418 Code Tutor with LCD Display
Pocket-sized and convenient

W8BH Morse Tutor
The W8BH Morse Tutor is a great project for learning programming, for learning about hardware, for beginners to learn the Morse code, and for people who already know the Morse code to increase their speed, both in copying and sending, with either paddles or a straight key. You can build the Morse code tutor for $20 in parts. Check out Bruce’s website for other interesting projects. If you wish to use the Mega2560 instead of the ESP32 or STM32, checkout KM4NFQ’s port of the code. Here is a short video clip demonstrating how to use two of them for practice with two people across the room.

K3NG CW Keyer
Open source Arduino based CW keyer that has an incredible amount of features and flexibility, including K1EL’s WinKeyer compatibility. It can be used as a keyer and to learn Morse code. It can be used for send practice, and receive practice with Keyboard or Receive/Transmit Echo Practice.

CW Trainer
A combination of Windows software and firmware that runs on the Begali CW Machine. It also supports connecting to another user over the internet.

OZ1JHM Timing Keyer
An open hardware and open source keyer that allows you to precisely diagnose any timing errors in your keying. Check out the review video. The software for it can be found here.

Resources for software and hardware developers
K3NG CW Keyer
It is open source and would make a great platform to further develop and extend. It is Arduino based.
Python program used to translate text to Morse code

Keyer and tutoring tool built on ESP32. It is open source and written using the Arduino IDE. It is a complete platform.

MOAK (Mother of All Keyers)
Based on Arduino with supporting Java application. Interesting and detailed write up along with provided hardware schematic and source code.

Morse C.O.D.
Target enemies by tapping out their designation. Runs on Windows, OS X, and Linux.

Morse (The Game)
Break the bitter attribution of the Great War using timing, tactics, and telecommunications in Morse code. Runs in a Web browser.

Morse Mania
A game designed to help you master Morse code while advancing through a number of levels. It teaches one letter at a time. Runs on Android devices.

Morse Code Books
The Art and Skill of Radio-Telegraphy by William Pierpont (N0HFF). This is a free book available for download as a PDF. It is filled with practical advice and history. And it is a great read!

Zen and the Art of Radiotelgraph by Carlo Cosoli (IKYG). Another free book available for download as a PDF. It has a recommended approach to learning Morse code.

How To Learn Morse Code and Make Contacts by David Gonzalez (EA7HYD). Step-by-step manual with example QSOs. (Also available from Amazon.)

Morse Code Operating for Amateur Radio by Rob Brownstein (K6RB) and Jim Talens (N3JT). Covers the basics. Well rounded introduction to operating CW and learning Morse Code. Available from the ARRL Store.

Morse Code for Radio Amateurs by Roger Cooke (G3LDI). Published by the Radio Society of Great Britain (RSGB). Written to show how to learn Morse code and get the maximum enjoyment from using it. (Also available from Amazon.)

The CW Geek’s Guide to Having Fun with Morse Code by Dan Romanchik (KB6NU). Practical guide to learning and using Morse Code. Available from Amazon as a Paperback or Kindle edition.

DITS and DAHS: The ABC’s of Morse Code Operating by Ed Tobias (KR3E). Sold by CQ Magazine.

The FOC Guide to Morse Code Proficiency by Gary Hinson (ZL2IFB). Longer PDF that covers timing, pitch, swings and fists, a morse quality metric, and more!

The Road to CW by Gary Hinson (ZL2IFB). Free book on how to learn Morse code.

Compendium of Automatic Morse Code by Ed Goss (N3CW). It is an excellent hardback book with informative text and over 1,100 high-quality photos covering Morse code devices from the early 1800s to today. (The link provided goes to Amazon, but it is available from other retailers.)

The Code Book: Morse Code Instruction Manual by Robert Betts (N1KPR). Bok on how to approach learning Morse code and getting unstuck.

Social Media
CW Academy
Official Facebook group for CW Academy

CWOps Members
Facebook group for the members of CWOps

Dit Dit Podcast
Popular podcast focused on Morse code

Learning CW Code
Facebook group. Great for connecting with others learning Morse code.

CW Morse Code Fans
Perhaps the largest and most active Facebook group focused on Morse code.

Straight Key Users of Morse Code
Facebook group

Open UZ2M Morse Runner contest
Facebook group with friendly competition. See who can get the largest score in Morse Runner in 10 minutes.

Produced between 1965 and 1970. It is a delightful music video about morse code.  Words and music by the late Maurice Durieux, VE2QS, symphony conductor, arranger, and violinist, VE2BR, Noel Marcil. Vocals by Ms. Joyce Hahn.

Morsum Magnificat: The Morse Magazine
Archive for Morse code magazine that ran from 1986 to 2004

Society of Wireless Pioneers
Program of the California Historical Radio Society. Lots of high-quality historical pictures.

K5RW’s The Telegraph Office
Collectors paradise of information and pictures

Distant Writing
A History of the Telegraph Companies in Britain between 1838 and 1868

Telegraph History
Stories about the men and companies of the old land line telegraph days.

Portishead Radio – GKA
Interesting stories & history of coastal station GKA

U.S. Early Radio History
Covers from 1830s to 1940s  — telegraph up to WWII era.

J-38 Keys
More than you ever wanted to know about the venerable J-38

Sparks Telegraph Key Review
Info and pictures of old keys.  Check out The Virtual Spark Transmitter for a nice explanation of how the old spark gap transmitters worked.

Iambic Keying – Debugging The Myth  by Marshall Emm (N1FN). Iambic or “squeeze” keying is one of the “Great Expectations” in CW operation. Good or Bad idea?

Go with the Flow  by Nancy Kott WZ8C (Silent Key) on why hams fall in love with CW.

Instant Recognition  by Nancy Kott WZ8C (Silent Key) on A Better Method Of Building Morse Code Speed

Key Manufacturers (Active)

Chevron Morse Keys


N3ZN Keys

QSK, llc

Vibroplex Company

The International Morse Preservation Society

First Class CW Operator’s Club

Long Island CW Club

North American QRP CW Club

Straight Key Century Club

CW Abbreviations

K9YA Telegraph
The K9YA Telegraph is a free, monthly, general interest amateur radio publication read by hams in more than 100 countries.

Sign Man of Ohio
Order your CWOps member badge.

Morse Code Ring Tones
Making Morse ring tones for any cell phone that uses MP3 files.

Morse Code Translator
Excellent online CW training resource.  Text-To-Morse Code or the reverse.  Fun learning tool.

For Sale
Morse code related items for sale. Most of them are on eBay.

Morse Code Ninja
Modern, mobile-friendly site with many Morse code resources and references. Quick access to 300+ Morse code practice videos.

PA3WBK’s Ultimate Morse Code Website
Collection of links to other CW sites, including many EU CW clubs.

Steampunk Workshop
This guy builds his own sounder, then builds an interface to send Morse from an RSS feed coming into his computer.

Telegraph Keys, Clockmaking and Modelmaking – William R. Smith
Restoration of Telegraph Keys

A Simple and Effective Approach to Station Grounding
Every station needs a grounding plan — here’s one approach.
(Author: Jim Talens, N3JT)

Cycle 24 Aluminum Tubing
Aluminum tubing and antenna-related products.

A new ham radio callbook server database by Petr (OK2CQR), Dan (OK1HRA), and Martin (OK1RR).

Submit your favorite photo(s) for a custom QSL card in five easy steps.