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CW decoder using a PIC microcontroller. This is a morse code decoder made using a PIC(16F88) microcontroller, this project supports displays with multiple controller chips

Several belgian hams will be qrv from Jersey between the 24 till 30 may 2013 , the aim is to be qrv on 2 M, 6 M, from 10m to 160 m , SSB and CW, PSK with an emphasis on the higher bands , conditions permitting

An home madek Audio CW Filter made simply using SMD Components

This article is designed as an introduction to some of the more popular digital modes. From HSCW to FT8 and interesting article with detailed information on popular and historical amateur radio digital modes.

QRPhamradiokits is an online shop for custom amateur radio kits including QRP transceiver kits, tuners, cw keyers, VFO DDS, part and components

This online web application allows you to train the decoding of Morse code by copying random QSO sentences that can be looped or even mixed.

July 2017 DXpedition to Miquelon SSB, CW, RTTY - 80M - 10M

Personal page of the Dutch Amateur Radio Station PA1CW

All HF Bands CW/SSB/DIGI CQ WW CW anb Online log St. Eustatius DXpedition

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

A simple 3D Paddel CW Key made of plastic with a standard 3d printer

This blog article introduces an updated repeater controller project utilizing the Arduino UNO. It includes a CW identifier, and the ID message can be customized using hex codes. The author offers a Windows command line program for easier message coding and provides a link for download. The controller features three adjustable timers for IDer, Timer-out, and Squelch-tail. The article also mentions the use of an audio switch to control audio levels between the receiver and transmitter. Detailed instructions and code files are available on the author's website for both version 1 and version 2 of the Arduino repeater controller. The project aims to enhance repeater functionality and audio management in ham radio operations.

IOTA NA-018, 2012 Sep 11 - 2012 Sep 16 Mainly CW

Simple soundcard interface that can satisfy several requirements like totally isolated AF interface, Totally isolated PTT and CW Key interface, Extend Accessory connector to interface to allow easy connection of TNC and provide a solid PTT or SEND connection

VA3SRC CW Beacon 28.185 MHz from Burlington, Ontario

A multi section article on learning the morse code for beginners. The article include a list of tips the author consider to be uesful when someone want to begin the trip to learn the morse code.

Harald with be QRV from Kigali, Rwanda from 5th to 24th June 2018 He will be running CW, SSB, RTTY and the new FT8 Mode

Members of the Low Bands Contest Club (OM7M) will take part in an DX-pedition to Pemba Island AF-063 from 6.2 – 18.2. 2020. They will be on air from 160-10m CW, SSB, RTTY & FT8. Also participation in the ARRL DX CW and CQ WPX RTTY contests. The licence is issued and callsign will be 5H4WZ.

Discover the creation of a robust 2-meter, 3-element Yagi antenna using PVC pipe and window line. Designed for durability and portability, this innovative Yagi demonstrates enhanced signal strength, making it ideal for SSB and CW operation on the go.

Michigan Mighty Mite is a QRPP CW transmitter that is easy to built, with a rated power from 200mW to 800mW.

This article introduces an Arduino-based QRP CW Transceiver designed for lower HF bands. The journey begins with the Wotduino, evolving from a keyer to a multi-mode beacon. The development includes a QRP transmitter and culminates in a receiver inspired by Roy Lewallen design. The transceiver, controlled through a control bus features a signal path, modulation, filtering, and adjustable frequency settings. Despite initial testing intentions, successful QSOs on 80 and 40 meters showcase its functional capabilities.

11-20 December 2019 A5B HF Bands 160 - 6m CW SSB FT4 FT8

A review of the most popular and traditional methods to learn morse conde and a different method that foreseen to learn 100 most common words in CW

This project uses an inexpensive Teensy microcontroller as the core of a flexible interface that provides a high-fidelity sound card and VOX functions for controlling the radio.The interface firmware supports variable VOX delay, CW and RTTY keying via audio (such as is available from Fldigi), and RTS and DTR control of any keying function, all via a single USB connection to the PC.

A home made CW keywer based on the W5UHX board.

The CWJF Group began in the 80's with the ideas of an excellent telegrafist, our dear friend Julio (PY4AG) who with customary cordiality taught those interested in practice of morse code.

2020 Jan 6 - 2020 Feb 29 By DJ4KW as V31YN and DK9GG as V31GW; 160-10m; CW FT8 SSB; see Web for full QSL and operational details QSL via LoTW.

The CW Projects and Resources of Mike Maynard, K4ICY. Includes a brief history and overview of Morse Code and many interesting resources on telegraph

An online version of a fully automatic morse code teaching machine. This morse machine permit to select several different options including speed, volume, tone and set of characters. This version works works with any HTML5 browser.

4S7GWG and 4S7RTG 40-6m; CW SSB RTTY 2016 Mar 2 - 2016 Mar 18

Analysis, design and construction of a simple & useful SWR meter from yesteryear! Schematic diagram, pictures and instructions to build a Monimatch style SWR Meter

This project revisits a minimalist software-defined radio (SDR) receiver built using a Raspberry Pi Pico, now optimized for simplicity and affordability. Designed for breadboard assembly with through-hole components, the receiver covers 0–30MHz, supporting CW, SSB, AM, and FM modes with an OLED display and spectrum scope. Key improvements include enhanced frequency accuracy, reduced op-amp saturation, and lower-cost components. Powered by three AAA batteries, it delivers standalone operation for global signal reception. Ideal for hobbyists, the design fosters experimentation and is documented with firmware and schematics available online.

The CW typewriter is a compact adapter board that transforms Morse code into ASCII characters using an Iambic key. It connects to a computer via USB, emulating the keyboard. The device features inputs for Iambic keying and a WPM speed potentiometer, and outputs for a key and a speaker for side tone. The device can be used with various software and online typing games for practice, offering a unique and interactive way to learn and use Morse code.

1-watt 17-meter cw transmitter that was originally done about 10 years ago as a club project for RAMS, the Radio Amateur Megacycle Society. It uses a VXO, rather novel at the time. It also uses a bandpass filter at the output rather than the usual lowpass

2019 Nov 14 - 2019 Nov 2 IOTA OC-035 By RZ3FW R4WAA fm Efate I (IOTA OC-035); 160-17m; CW SSB RTTY FT8: QSL via TBA

Learning CW using the SuperMorse Software Package, an excellent tool for implementing the Koch Method of learning Morse Code. Configuring the software, learning all characters, tips and tricks on choosing the right order.

6m mainly EME, some SSB CW; September 12-30, 2017, October 1-21, 2017 Indian Ocean 6m EME DXpedition VK9CGJ VK9XGJ

A simple DIY project for a remote cw key connected to your Flex Rig (actually it can be any other rig). On the remote side it uses and Arduino Uno board and a cheap HanRun Enc28J60 ethernet shield. On the local side it uses a key (better a keyer) connected to a serial port of your pc

The Sputnik regenerative receiver is a compact and efficient project for amateur radio enthusiasts, tailored to the 40m band and adaptable for other HF bands. Designed for beginners, it supports AM, SSB, CW, and FM reception. The project emphasizes simplicity while delivering reliable performance, incorporating innovative features like diode tuning and a smooth regeneration control. Its small size, efficient power usage, and flexible design make it a popular choice for experimentation and learning in the homebrew radio community.

DXPedition to Tonga A35EU IOTA OC-049 Tongatapu group, Operation will be 10-160 meter in CW/SSB/RTTY and some FT8

TN5R will be active from March 9th to March 19th, from 10 to 160 meter on CW, SSB and RTTY

Notes, hints and tips on starting with morse code, how to approach learning the code, how and when to get on the air, learning and using abreviations, common Q-Codes and a sample morse code QSO.

A Trapped dipole inverted V antenna for lower HF Bands. Construction details are for temporary installation. Permanent installations will require additional ruggedising and waterproofing however the basic electronics concepts remain the same. This project includes SWR plots for the three bands and pictures details of the homemade traps.

A CW contest running every Monday, from 1630 UTC to 1729 UTC on 40 and 80 meters band

Reviving the spirit of early ham radio experimentation, the CW Flea is a contemporary Morse code transmitter. Utilizing an Arduino Nano, Si5351 clock generator, and innovative design, this open-source project offers simplicity, flexibility, and easy tuning for aspiring radio enthusiasts.

Pititico CW QRPP transceiver designed by PY2OHH. One of the smallest and simplest transceivers designed around a 2N2222 transistor.

The SW-3B is a Three-band CW QRP transceiver, Weight 180g, output power 5W at 12v, 2W at 9v, works on 40 30 and 20 meters band

Official web site of URE contests including the King of Spain HF CW and SSB Contest

CW Morse Nano QRP and Micro Keys. CW Morse PCB Keys. Morse Keyers

QRP is a Q-code originally meaning reduce power, but now has come to mean operating a radio that outputs 5 watts or less for CW or 10 watts for SSB.