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CW Decoder provides a robust solution for amateur radio operators aiming to decode Morse code directly on their computer. The software processes incoming audio, presenting the decoded CW as text on the screen, which can be particularly useful during crowded band conditions or for those refining their copying skills. Additionally, it offers the capability to generate a sidetone, allowing operators to monitor the decoded audio in real-time. The application features a **spectrum display** of the audio input, complete with a sliding cursor. This visual aid enables precise selection of a specific audio frequency for decoding, helping to isolate desired signals from QRM. My field experience with similar decoders confirms that a clear visual representation of the signal greatly improves decoding accuracy, especially when dealing with weak signals or multiple stations. Beyond decoding, the program integrates a **keying function**, allowing users to transmit CW directly from their keyboard. This feature supports full CW break-in operation, which is essential for efficient contesting and DXing, providing immediate switching between transmit and receive modes without manual intervention.

This resource provides access to the 59+ software collection, specifically highlighting the **59+ CW** module. The software enables the generation of Morse code signals for transmission through a COM port to a transceiver, or for audio output via a computer speaker, facilitating both keying and listening practice. Users can customize various parameters, including CW speed, tone frequency, dash/dot ratios, and PTT line delay, alongside defining keyboard shortcuts for common QSO fields such as callsign, QTH, name, and RST. The collection also includes the 59+ Logbook, which operates smoothly on Windows XP according to testing notes, though the CW application experienced startup issues on the same OS. The software was originally designed for older Windows operating systems, specifically Windows 95, 98, ME, and 2000. It is noted that the original idealog.net site is no longer active, and development for the 59+ suite appears to be discontinued. Analyzer and converter modules within the collection require registration and do not function in trial mode.

based on the famous Curtis family of morse keyer chips and has a proven record of dependability.

EhoCw is a freeware morse keyer software and a morse code generator and even a morse code decoder. It runs on your PC under windows (from NT to Vista, windows 7). This software can be used efficiently by any telegraphist, confirmed or beginner who wants to use his personnal computer as a memory keyer, you can use it to learn morse code and you can use it to decode morse code

CWLab02 demonstrates a Windows-based software solution for Morse code enthusiasts, enabling both CW and CCW (Computer-Generated CW) sending and receiving within a single, integrated window. The program incorporates an improved CW interface, aiming to simplify the process of decoding and generating Morse code signals. It provides a straightforward method for hams to practice their CW skills or integrate computer-generated code into their operations, supporting real-time interaction with Morse code transmissions. The software's design focuses on ease of use for CCW operations, allowing operators to quickly generate and transmit code. While specific technical details on its decoding algorithms or WPM range are not provided, the emphasis on an "improved CW" suggests refinements in its signal processing capabilities. The ability to send and receive in the same window streamlines the user experience, offering a practical tool for training, casual QSOs, or integrating into a digital shack setup.

Open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, often rivaling commercial keyers.

Morse Code ultra lite touch paddles and keyer, Touch Paddle plus built-in electronic keyer

The CW Decoder program facilitates copying Morse code with a computer, displaying decoded CW as text, and generating a sidetone. It incorporates a spectrum display of the audio, allowing operators to select a specific audio frequency for decoding via a sliding cursor. This utility also enables keyboard-based transmitter keying, supporting full CW break-in operation for efficient QSO management. Developed by WD6CNF, the software is a Windows-compatible application designed to assist amateur radio operators in their CW activities. Its features cater to both decoding received signals and transmitting via keyboard input, streamlining the CW operating experience. Functionality includes real-time audio analysis and signal processing, providing a visual representation of the CW signal. The program's integrated keying capability offers a direct interface for transmitting, enhancing its utility as a comprehensive CW station tool.

The **Black Cat CW Keyer** is a macOS application designed for amateur radio operators to transmit Morse code directly from their computer. It provides functionality for typing text to be sent, either immediately or buffered, and allows for the creation and transmission of pre-defined messages via single-key shortcuts. This software addresses the need for a flexible and accessible CW keying solution, particularly for Mac users who might find fewer dedicated ham radio applications compared to other operating systems. It integrates basic text-to-CW conversion, offering a straightforward interface for generating Morse code signals. Operators can utilize the Black Cat CW Keyer for various CW activities, including casual QSOs, contesting, or beacon operation. Its ability to buffer text allows for smoother transmission, while the single-key macro feature streamlines repetitive message sending, such as CQ calls or contest exchanges. While specific comparisons to other CW keying software are not detailed, its macOS focus provides a niche solution for Apple users. The program's utility lies in its direct approach to computer-based CW transmission, making it a practical tool for those seeking a dedicated **CW keyer** on the Macintosh platform.

The PIC-MORSE is an electronic iambic keyer, integrating a generator of Morse code and a sidetone. It is built with a microcontroller PIC16C711. In French

Morse Code Keyers / Processors and other PIC products. CW RTTY serial and usb interfaces and keyers kits.

Generating Morse code audio files from text input is the primary function of _MorseGen v1.2_, a utility designed for amateur radio operators. The software allows users to specify the tone frequency and words-per-minute (WPM) speed for the generated CW. A key feature is its ability to create a WAVE audio file containing the Morse code, which can then be used in various applications. The program also supports repeating the generated CW sequence at user-defined intervals, making it particularly useful for creating station identification signals or beacons. The practical application of this tool extends to automated station identification, especially for repeaters or digital mode gateways that require a CW ident. By producing a standard _WAVE file_, the output is compatible with most audio playback systems and software. This functionality provides a straightforward method for integrating custom Morse code messages into existing amateur radio setups, eliminating the need for external hardware keyers for simple identification tasks. The adjustable parameters offer flexibility to match specific operational requirements or personal preferences for CW characteristics.

A simple circuit which will generate a 700 Hz tone into any FM transceiver allowing an amateur to practice CW with another amateur on a 2 meter simplex frequency.

CWQSO allows you to practice sending and receiving CW in a real QSO!

Ham Radio Kits, morse keyers, Morse code voltmeter / DC switch / battery saver

Key your transmitter from the tone output of a Morse Code generator program

Home made twin paddle morse code key designed by Steve Taylor G4EDG.

This circuit stores a single morse code message as bits in an EPROM chip, the message is sent to a relay which can key a CW transmitter.

Demonstrates the capabilities of CW_Shark, a dedicated 32-bit Windows application for Morse code operations. This software facilitates the analysis, decoding, and encoding of CW signals, providing hams with a versatile tool for various aspects of amateur radio communication. It supports four distinct modes: Decode Only, Keyboard QSO, Straight or Paddle Key QSO, and Straight or Paddle Key Practice, catering to different user needs from passive listening to active keying. Operators can utilize the Decode Only mode for signal analysis, while the Keyboard QSO mode allows for text-based interaction. The Straight or Paddle Key QSO mode offers a direct interface for traditional keying, enabling real-time communication. For skill development, the Straight or Paddle Key Practice mode provides a structured environment to hone Morse code proficiency. CW_Shark integrates essential functions for CW enthusiasts, supporting both learning and active participation in Morse code exchanges. Its focused design aims to assist operators in mastering and enjoying the art of _CW communication_.

an homemade ultra lightweight Morse code keyer paddle that can be used as a manual straight key

Marshall G. Emm, N1FN, meticulously examines iambic keying, dissecting its historical introduction in the late 1950s with transistorized electronic keyers and its purported advantages. The resource defines keying systems, electronic keyers, and various paddle types, including single-lever and dual-lever paddles, clarifying the distinction between iambic keyers and the iambic sending technique itself. It details the two main types of squeeze keying: true squeeze for alternating dot-dash strings and character insertion for specific elements within a character. N1FN critically evaluates the actual efficiency gains of iambic keying, referencing Chuck Adams, K7QO's, keystroke analysis. While a straight key to bug transition yields a 34.1% reduction and a bug to non-iambic keyer offers 16.1%, iambic keying provides only an 11% theoretical improvement. However, considering typical QSO text and Morse code's inherent optimization for common letters, the practical efficiency gain is estimated at a modest 4-6%. The article also highlights how iambic keying's reliance on precise timing gates can impose a speed limit, making it less effective above 40 WPM, where many operators revert to non-iambic methods or single-lever paddles.

CW Keyer Kit with capacitive touch paddle, with a lot of nice features. Easily expandable to a Morse code decoder

A Picaxe Morse Code keyer project with source code and links to useful resources by K6ACJ

An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.

Article appeared on 73 amateur radio today in 1999 on how to unlock the secrets of sending precise Morse Code. Article contains hints on how use the stright key and the sideswiper key, but even the electronic keyers or the semiautomatic keys.

This circuit stores a morse code message as bits in an EPROM chip, the message controls a relay that keys a CW morse code transmitter. An Arduino processor can also be used in place of this circuit, that eliminates the need to build the circuit and program an EPROM.

Successor to the Metamorserino, this is a multi-functional Morse code machine (Keyer, Generator, Trainer) that includes also a transceiver using LoRa on the 70cm band.

The K3NG Keyer is an open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, rivaling commercial keyers which often cost significantly more.

An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.

Book on CW paddles, history of keyers, keyboards, oscillators, and all things related to automatic Morse code.

The author recounts their journey in ham radio, including the initial experience with Morse code. Now retired, he has rekindled his interest in ham radio and CW. Here share his project of constructing an Iambic Keyer with Arduino. The project includes a memory keyer and speed adjustment. Additionally, the author provides resources for an Arduino enclosure available on Thingiverse, enhancing the project aesthetics and functionality.

In his journey to improve Morse code skills, the author developed a straightforward device named the Tiny Keyer using Arduino. Tailored for Morse code enthusiasts and ham radio operators, this project utilized the budget-friendly Arduino ATTiny 85 Kickstarter board. With straightforward setup procedures in the Arduino IDE, the Tiny Keyer's small size and low cost make it accessible for beginners and hobbyist clubs interested in Morse code exploration.

SW Keyer for remote operations. This is a simple tool based on the Morse Code Iambic and Semi-Automatic Keyer from the Morse-Code-Tools projects. You can use your key, bug or Iambic Paddle stright connected to your personal computer without a hardware morse keyer.

A voice keyer for Morse Code written for Arduino

A low-cost Arduino project expanding on the button tutorial, where three inputs act as "buttons" generating Morse code on a WOTDUINO. This keyer, costing around £4, offers learning potential and hints at more complex ham radio applications.

This page presents a project involving attaching an amateur radio transceiver to an Arduino to create a 'fox' signal for radio direction finding practice. This project can be used to practice direction finding skills by locating a radio transmitter in a hidden location. The project involves transmitting the station ID using Morse code and can be a fun and educational activity for students or hobbyists interested in radio direction finding. The author shares their experience with radio direction finding and provides instructions on how to build the project using a Baofeng UV-3R radio and an Arduino Uno.