Collaborate Disseminate
The Braun TS2 radio was a state-of-the art tube set in 1956. Today it still looks great, but unsurprisingly, the one that [Manuel Caldeier] has needed a little tender loving …read more Continue reading Braun TS2 Radio Turns 68, Gets Makeover
If you need an amplifier, [Hans Rosenberg] has some advice. Don’t design your own; grab cheap and tiny RF amplifier modules and put them on a PCB that fits your …read more Continue reading A Universal RF Amplifier
Old radios often had selenium rectifiers to convert AC to DC. The problem is that the old units, dating back to 1933, are prone to failure and to release dangerous …read more Continue reading Replacing Selenium Rectifiers
For as useful as computers are in the modern ham shack, they also tend to be a strong source of unwanted radio frequency interference. Common wisdom says applying a few …read more Continue reading Ferrites Versus Ethernet in the Ham Shack
[MIKROWAVE1] claims he’s not a radio repair guy, but he agreed to look at a malfunctioning Hallicrafters S-120 shortwave receiver. He lets us watch as he tries to get it …read more Continue reading Repairing a Hallicrafters S-120
When you think of Sony, you probably think of a technology company that’s been around forever. However, as [Asianometry] points out, it really formed in the tough years after World …read more Continue reading How Sony Mastered the Transistor
With as cheap and versatile as RTL-SDR devices are, it’s a good idea to have a couple of them on hand for some rainy day hacking. In fact, depending on …read more Continue reading Portable Multi-SDR Rig Keeps Your Radios Cool
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
Radar made a huge impact when it was first invented, allowing objects to be detected using radio waves which would normally be difficult or impossible to observe through other means. …read more Continue reading Adding Human Detection to Home Automation
The United States and a few other countries have an astounding array of homeowners’ associations (HOAs), local organizations that exert an inordinate influence on what homeowners can and can’t do …read more Continue reading Hidden Gutter Antenna Keeps HOA Happy