Design of transmission and reception block schemes software. Provided with examples of applications.

Manual for getting started with VOACAP, an ionospheric prediction program.

Turn your Mac into a VOX operated audio recorder. Perfect for unattended recording of stations.

Macintosh software, specializing in the fields of amateur radio, scientific applications, and health and nutrition.

HF communications analysis and radio related software and prediction tools for amateurs and communications professionals.

Educational and utility software for radio amateurs. NuMorse, NuTest and other ham programs are available for download.

Contest logging software. Includes FAQ and testimonials.

Hardware and software open source project about the use of software defined radio for amateur radio (HAM).

Software to automate and animate your antenna modeling and propagation predictions. Has built-in links to the public domain NEC-2 and VOACAP engines.

A free, open source contest logging program.