GUEST OPINION: A Citizen's Band (CB) radio is a public two-way individual radio service. In contrast, a 10 meter radio is an amateur or ham radio that can transmit frequencies hundreds of kilometers ...

This amateur radio hack is not for the faint of heart! With only three transistors (and a drawer-full of passive parts), [Peter Parker, vk3ye] is able to use a broken-looking AM car radio to receive ...