Last week, I covered the ridiculously low barriers to entry to amateur radio, both in terms of financial outlay and the process of studying for and passing the FCC examination. You’ve had seven days, ...

Love them or hate them, the crop of cheap hand-held amateur radio transceivers is here to stay. They’re generally horrible radios, often smearing spurious emissions across the spectrum, but they’re ...

Just when one might think there’s nothing new in the world of ham radios, along comes digital, and it’s being embraced due to its flexibility and is less bulky. Ham radio is a popular term for ...

This rugged power supply is based on the popular LM338 3-pin voltage regulator. The LM338 is capable of supplying 5 A over an output voltage range of 1.2 V to 32 V with all standard protections like ...

'kv4p HT' is an amateur radio transceiver that can be used in combination with an Android smartphone, and can send and receive voice and text messages. kv4p HT is developed with all open source ...

While working in the Amateur Radio department at Heathkit, I was given the task of seeing a new two-meter ham transceiver through the system. The kit design had already been finalized, but the project ...