Collaborate Disseminate
Software-defined radios or SDRs have provided a step-change in the way we use radio. From your FM broadcast receiver which very likely now has single-application SDR technology embedded in a chip through to the all-singing-all-dancing general purpose SDR you’d find on an experimenter’s bench, control over signal processing has moved …read more
Fast radio bursts (FRBs) are one of the most puzzling mysteries of the space age. These one-off, millisecond-long signals pour in from all corners of the cosmos, and so far nobody’s been able to figure out what causes them or where they’re ev… Continue reading Astronomers pinpoint location of mysterious radio signal across the universe
Quite sure you’ve read about the Global Navigation Satellite System attack by now, but did you have the time to read the company’s blog for the details on the GPS whack? Strongly suggested to do so. Today’s Interesting Watch.
The post Regulus Demos New… Continue reading Regulus Demos New Attack: GPS Vector, All The Things
Amateur radio is a pursuit with many facets, some of which hold more attention than others for the hacker. Though there have been radio amateurs for a century it still has boundaries that are being tested, and sometimes they come in surprising places.
A recent first involved something you might …read more
Continue reading A Two Metre Bridge Across The Atlantic For The First Time
Before the invention of transistors, vacuum tubes ruled the world. The only way to get amplification or switching (or any electrical control of current) back then was to use tubes. But some tube design limitations were obvious even then. For one, they produce an incredible amount of heat during normal …read more
Before everyone had a cell phone alarm to wake them up in the mornings, most of us used clock radios that would faithfully sit by our beds for years. You could have either a blaring alarm to wake you up, or be gently roused from slumber by one of your …read more
Taking an old piece of gear and cramming it full of modern hardware is a very popular project. In fact, it’s one of the most common things we see here at Hackaday, especially in the Raspberry Pi era. The appeal is obvious: somebody has already done the hard work of …read more
If you want to talk about antennas, the amateur radio community has you covered, with one glaring exception. Very low frequency and Extremely Low Frequency radio isn’t practiced very much, ultimately because it’s impractical and you simply can’t transmit much information when your carrier frequency is measured in tens of …read more
Continue reading Piezoelectric Antennas For Very, Very Low Frequencies
For many people, phone and Internet connectivity are omnipresent and always available. It’s possible to upload selfies from a Chinese subway, and search for restaurant reviews in most highway towns, all thanks to modern cellular connectivity. However, in emergencies, we’re not always so lucky. If towers fail or user demand …read more
Continue reading Emergency Neighbourhood Communications Courtesy Of HELPER
Classix Philly One Oh Seven Nine is your home for Philly soul right at the top of the dial, and now you know why this writer isn’t allowed on the Hackaday podcast. That phrase, ‘top of the dial’ doesn’t mean much these days because we all have radios with a …read more