Lightning is a powerful and seemingly mysterious force of nature, capable of releasing huge amounts of energy over relatively short...
Makers
We like regenerative receivers. They perform well and they are dead simple to create. Example? modified a few existing designs...
A substantial part of gaining and holding an amateur radio license relates to the prevention of radio interference. In days...
Hopefully by now most of us know better than to rent a modem from an internet service provider. Buying your...
Had the pandemic not upended many of this summer’s fun and games, many of my friends would have made a...
We think of radio navigation and direction finding as something fairly modern. However, it might surprise you that direction finding...
Most of us don’t spend that much time thinking about lightning. Every now and then we hear some miraculous news...
Amateur Radio as a hobby has a long history of encouraging experimentation using whatever one might have on hand. When...
Cheap, easy to use SDR dongles are an immensely powerful tool for learning about radio technology. However, building your own...
The days when software defined radio techniques were exotic are long gone, and we don’t miss them one bit. A...
Amidst the recent news about the Hubble Space Telescope’s troubles (and triumphant resurrection), it is sometimes easy to forget that although...
In 2021 all our electronics are solid state, in that they exclusively use semiconductor devices as their active components. Some...
knows there are at least two things wrong with the cheap antennas you get with most SDR dongles. First, they...
We don’t normally embrace the supernatural here at Hackaday, but when the topic turns to the radio frequency world, Arthur...
A significant event in the history of technology happened yesterday, and it passed so quietly that we almost missed it. The...
Dipoles are a classic builder’s antenna, after all they are usually little more than two pieces of wire and a...
These days, we are spoiled for choice with regard to SDRs for RF analysis, but sometimes we’re more interested in...
The arrival of LoRa a few years ago gave us at last an accessible licence-free UHF communication protocol with significant...
An SDR add-on for the Raspberry Pi isn’t a new idea, but the open source cariboulite project looks like a great...
For the first time since its inception, the Korea Communications Commission this week revoked the regulatory approvals of 1,696 telecommunications devices from...
Before smartphones and Internet of Things devices were widely distributed, the Automatic Packet Reporting System (APRS) was the way to...
Some of you may remember a recent project that featured on these pages, a 555 timer reproduced using vacuum tubes....
In the annals of technical achievement originating from the United Kingdom there lies a forgotten success story that should have...
The 90s were a dark time for audio equipment, literally and figuratively. Essentially the only redeeming quality from the decade...
A Baofeng radio is often one of the first purchases a new ham radio operator makes these days due to...
