Collaborate Disseminate
SDRs have been a game changer for radio hobbyists, but for ham radio applications, they often need a little help. That’s especially true of SDR dongles, which don’t have a …read more Continue reading Junk Box Build Helps Hams with SDR
When all else fails, there’s radio. Hurricane Helene’s path of destruction through Appalachia stripped away every shred of modern infrastructure in some areas, leaving millions of residents with no ability …read more Continue reading Hackaday Links: October 20, 2024
The Hackaday comments section is generally a lively place. At its best, it’s an endless wellspring of the combined engineering wisdom of millions of readers which serves to advance the …read more Continue reading Is That Antenna Allowed? The Real Deal on the FCCs OTARD Rule
For a long time, a Morse code proficiency was required to obtain an amateur radio license in many jurisdictions around the world, which was a much higher bar of entry …read more Continue reading CW Not Hard Enough? Try This Tiny Paddle
Unless you hold a First Degree RF Wizard rating, chances are good that coax stubs seem a bit baffling to you. They look for all the world like short circuits …read more Continue reading Coax Stub Filters Demystified
When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen a lot of simple low-power receivers using a single …read more Continue reading Tiny Transceiver Gets It Done with One Transistor
It’s said that “Golf is a good walk spoiled,” so is attaching an amateur radio to a bike a formula for spoiling a nice ride? Not according to [Wesley Pidhaychuk …read more Continue reading Going Ham Mobile on a Bicycle
OK, it’s official: the Quansheng UV-K5 is the king of hackable ham radios — especially now that a second version of the all-band hardware and firmware mod has been released, …read more Continue reading UV-K5 All-Band Mod, Part 2: Easier Install, Better Audio, and Two Antennas
We’ve said it before and we’ll say it again: being able to build your own radios is the best thing about being an amateur radio operator. Especially low-power transmitters; there’s …read more Continue reading A Super-Simple Standalone WSPR Beacon
Stay in the amateur radio hobby long enough and you might end up with quite a collection of antennas. With privileges that almost extend from DC to daylight, one antenna …read more Continue reading Passive Diplexer Makes One Antenna Act Like Two