These days, we are spoiled for choice with regard to SDRs for RF analysis, but sometimes we’re more interested in...
Makers
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...
If you’ve been following the world of mobile phone technology of late, you may be aware that Apple’s latest IPhones...
What do you do with floral wire and balloons from Dollar Tree? If you are , you make a ham radio...
LoRa is great for sending short data packets over long ranges but is not normally suitable for voice communications. is...
In the grand scheme of things, it wasn’t all that long ago that the entire body of knowledge of our...
It’s easy to get caught up in a build and forget that the final version usually needs some sort of...
There’s no shortage of cheap weather stations on the market that pull in data from several wireless sensors running in...
Your airplane has crashed at sea. You are perched in a lifeboat and you need to call for help. Today...
IEEE Spectrum had an interesting read about circuits using silicon carbide as a substrate. and colleagues say that circuits based on...
If you’ve got 10 minutes, how about a quick break to watch a video about renewable clean electric power? Must...
There’s no doubt that the RTL-SDR project has made radio hacking more accessible than ever, but there’s only so far...
The disappearance of Malaysia Airlines flight MH370 after an unexplained course change sent it flying south over the Indian Ocean...
In a world with software-defined radios and single-chip receivers, a superheterodyne shortwave radio might not exactly score high on the...
I was having a chat recently with someone, and it surprised me that she had an amateur radio license. I...
With the profusion of cheap RTL-SDR devices and the ever-reducing prices of more capable SDRs there might seem to be...
If you are a ham radio operator, the idea of sending pictures and data over voice channels is nothing new....
Artificially constrained designs can be among the most challenging projects to build, and the most interesting to consider. The amateur...
