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Homebrewing projects and kits such as DDS, frequency counters, LCD power meter, and sound card inter
Various receivers, transceivers and converters for HF to UHF.
A ham radio exam tool with questions for all three FCC written exams, and three ways to learn Morse
K3WWP's activities in ham radio, including CW, QRP, contesting, homebrewing, award hunting, and DXin
John Coppens provides information about antennas, propagation, chirping, balloons, and satellites. L
Homebrew transceivers and other projects.
Software to prepare for the FCC ham radio, general radio telephone operator license (GROL) and radar
Technical information for HF, remote-control and digital decoding devices, plus a CPU-based hardware
A blog with QRP, 20m, 6m and 2m homebrew projects completed with a SARC news feed.
Homebrewing of transceivers, receivers, transmitters and test equipment. [Italian - English]