Open Source Ham Radio Software

A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.

The Ground Station Software Suite projects aims at providing free, useful software tools for ham radio operators. Currently, this projects hosts the Grig communication radio control. The source repository has been moved over to github.

SDRLive (formerly LinuxSDR) is a linux live cd based on Ubuntu 18.04, and configured for use with software defined radios. A large selection of software has been preinstalled, such as GNURadio, dump1090, GQRX, cubic-sdr, etc. View the changelog on the wiki for a list of installed applications.

Morse Code Madness - Helps you learn Morse Code. Morse Code Trainer, Morse Code Translater, Morse Code QSO Practice, Morse Code Transceiver. Sharpen your Morse Code skills.

This is a simple application that converts text to Morse code and audio. It has minimal dependencies and is very lightweight. It does not yet offer the ability to transcribe Morse code and save the output to an audio file. It's a useful tool for amateur radio operators and radio operators.

Easy to use CW Trainer for Linux. Adaptable for both the Koch and Farnsworth method of learning Morse Code. Makes random tests or can read text from a file. Sample QSO's included. Uses QT user interface. Licensed under the GPL.

This program provides a simple user input for capacitor numeric or color codes so the electronics technician can determine the components value.

Aldo has moved to www.nongnu.org/aldo

Enhanced Machine Controller-based Antenna Range (EMCAR) EMCAR employs LinuxCNC based machine control (linuxcnc.org) coupled with open source software to implement a measurement system for antenna radiation pattern data (i.e. an antenna range).

EggsHam is a PalmOS application that generates (and grades) _practice_ amateur radio licensing exams. It is for people interested in obtaining an amateur radio license in the US, who want to practice for the Technician, General, or Extra written exam.

HTML_testsystem is a fairly flexible system for taking tests at no cost at all, except for the eventually needed webhosting. It is written entirely in HTML code and JavaScript. An Excel workbook is provided to enter questions in a comfortable way.

JMorseTrainer helps you to learn or improve Morse code.

This small python script will generate mp3 and corresponding text files for learning / training the morse code. It follows the method of Koch for teaching the characters and the method described in N0HFFs book for improving the skills even more.

Our goal is to develop a cross-platform application utilizing Java to aid in learning Morse Code.

The FCC publishes pools of questions for each of the three Amateur Service (Ham Radio) license exams. Two of my programs clean and parse the files and put the questions and answers into a small lightweight database (SQLite) file. The third program generates practice tests which you can focus on particular areas of the exam or randomly select across the pool. The db file in the project is up to date as of February 3rd, 2020. When the FCC issues new/updated exam pools you can use the cleaning and parsing programs to update the database information. The project includes source code files. You may use them in your projects but you must give me attribution according to the GNU License Version 3.

The purpose of this software is to help people that want to learn Morse code. It aims to be simple and easy to use. It will offer different ways to learn morse code: - contest style (radiograms with 5 character groups transmitted at increasing speed) - free text transmission - sending information from different sources (web sites, files, executable output, etc) The application will generate a PCM sound that will be played via the sound card. It will act as a Morse trainer and can easily be adapted to every need

linCWT is a clone of the old (DOS) morse tutor CWT.