Collaborate Disseminate
Amateur radio is a hobby that is often thought of as being exclusive to those with a healthy expendable income. In recent years however, the tides have turned. Cheap microcontrollers …read more Continue reading Four Band Digital HF SDR Transceiver Offers High Performance for Only $60
When [Pete Juliano] sat down to design a sideband transceiver for the 20 Meter (14 MHz) ham radio band, he eschewed the popular circuits that make up so many designs. …read more Continue reading PSSST! Here’s A Novel SSB Radio Design With Only Seven Transistors
In the 125 years since Marconi made his first radio transmissions, the spectrum has been divvied up into ranges and bands, most of which are reserved for governments and large …read more Continue reading The Low-Down on Long-Wave: Unlicensed Experimental Radio
If there’s one instrument that hams and other radio enthusiasts covet, it’s the venerable Bird 43 Thruline wattmeter. The useful RF tool has barely changed in the nearly 70 years …read more Continue reading Homebrew Wattmeter Pays Homage to Sturdy Original
Probably the most interesting facets of amateur radio in 2021 lie in the realm of digital modes. Using the limitless possibilities of software defined radios has freed digital radio communication …read more Continue reading The Simplest FT8 Transceiver You’ll Ever Build
The last thing an astronaut or cosmonaut on the International Space Stations wants to hear from one of their crewmates is, “Do you smell plastic burning?” But that’s apparently what happened …read more Continue reading Hackaday Links: September 12, 2021
Our Hackaday team is spread across the world, but remains in easy contact through the magic of the Internet. A number of us hold amateur radio callsigns, so could with …read more Continue reading Building A Hundred-Year-Old Radio Transmitter
A substantial part of gaining and holding an amateur radio licence relates to the prevention of radio interference. In days past this meant interference to analogue television broadcasts, but with …read more Continue reading The Curious Case Of The Radio Amateur And The Insulin Pump
Amateur Radio as a hobby has a long history of encouraging experimentation using whatever one might have on hand. When [Tom Essenpreis] wanted to use his 14 MHz antenna outside …read more Continue reading Surplus Syringes Make Satisfactory Tuner for Amateur Radio Experimentation
Amateur radio operators have a saying: When all else fails, there’s ham radio. And that’s true, at least to an extent — knock out the power, tear down the phone …read more Continue reading Hackaday Links: August 1, 2021