When you buy a cheap ham radio handy-talkie, you usually get a little “rubber ducky” antenna with it. You...
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Have you ever thought about getting into digital modes on the ham bands? As it turns out, you can get...
Meshtastic is a way to build mesh networks using LoRa that is independent of cell towers, hot spots or traditional...
OK, it’s official: the Quansheng UV-K5 is the king of hackable ham radios — especially now that a second version of...
Morse code, often referred to as continuous wave (CW) in radio circles, has been gradually falling out of use for...
We’ve said it before and we’ll say it again: being able to build your own radios is the best thing...
You have an old radio — in the case of , a Stromberg Carlson — and it needs new knobs....
Making a software defined radio (SDR) receiver is a relatively straightforward process, given the right radio front end electronics and...
Everyone who deals with electronics knows that grounding is important. Your house has a copper rod in the ground. But...
Doing electronics in the 1910s was rather rough, with the radio probably the pinnacle of hi-tech. Despite this, with some...
At one point, the Motorola 6809 seemed like a great CPU. At the time it was a modern 8-bit CPU...
We’ll admit to not fully knowing what has planned for the pair of RTL-SDR Blog V4 software defined radios (SDRs)...
The germanium point contact diode, and almost every semiconductor device using germanium, is now obsolete. There was a time when...
Although much of the software that runs on the ESP32 microcontroller is open source, the Wi-Fi driver is not. Instead,...
We’ve all been there. You left your Walkman at home and only have your trusty Game Boy. You want to...
Today is another board from a friend, , who wants to convert a Yaesu FRG7700 radio to USB-C PD power. It’s yet...
found a schematic for a grid leak radio online and decided to throw together a few tubes on a...
Stay in the amateur radio hobby long enough and you might end up with quite a collection of antennas. With...
Helicopters are perhaps at their coolest when they’re being used as flying cranes — from a long dangling cable, they...
Something that all radio amateurs encounter sooner or later is the subject of impedance matching. If you’d like to make...
In the 1960s, if you were a teenager in the United States, a big part of your life was...
For many decades, the USA has been at the forefront of astronomy, whether with ground-based telescopes or space-based observatories like...
has been busy creating version two of a homebrew all-band ham radio transceiver. The unit has a number of features you...
You have an hour to kill, and you like old communication technology. If you happen to be in Windsor, Connecticut,...
The Altoids tin has long been the enclosure of choice for those seeking to show off their miniaturization chops. This...
