Hurricanes can cause widespread destruction, so early forecasting of their strength is important to protect people and their homes. The...
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There’s an old saying in the amateur radio community that when it comes to antennas all you need is a...
It is one of Murphy’s laws, we think, that you can’t get great things when you need them. Back in...
Between World War II and Y2K, shortwave listening was quite an education. With a simple receiver, you could listen to...
Among the 8-bit home micro boom from the late 1970s through early 1980s, the introduction to computing for many wasn’t...
Unless you hold a First Degree RF Wizard rating, chances are good that coax stubs seem a bit baffling to...
had a Unelco shortwave receiver as a kid. This was a typical simple radio for the 1960s using germanium and silicon transistors....
For a long time, a Morse code proficiency was required to obtain an amateur radio license in many jurisdictions around...
You might think of the smartwatch era as beginning with Apple, relatively recently. Or, you might think back to those...
Navigating aircraft today isn’t like the old days. No more arrows painted on a barn roof or rotating airway beacons....
had a project in mind: replacing a common vacuum tube with a solid-state equivalent. The tube in question was an EABC80...
If amateur radio has a problem, it’s that shaking off an image of being the exclusive preserve of old men...
The good old fashioned game of football used to be a simple affair. Two teams of eleven, plus a few...
Reverse-engineered schematics are de rigeur around these parts, largely because they’re often the key to very cool hardware hacks. We don’t get...
We’ve often thought that while going to the moon in the 1960s was audacious, it was just the flashiest of...
We’ve all been there. You are on a flight, there’s WiFi, but you hate to pay the few bucks just...
When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen...
It’s said that “Golf is a good walk spoiled,” so is attaching an amateur radio to a bike a formula for spoiling...
Ever since the beginning of the Space Age, the inner planets and the Earth-Moon system have received the lion’s share...
Welcome to the Design Review Central! sends us their board, and it’s a HAB (High Altitude Balloon) tracker board. It’s...
has pulled off a true feat of Meccano engineering: building a Meccano Hellschreiber machine. The design is a close replica of...
Like many of us, had a lot of electronic toys growing up. In a video you can watch below, he...
In the days before integrated circuits became ubiquitous, providing advanced functionality in a single package, designers became adept at extracting...
A tuned circuit formed by a capacitor and an inductor is a familiar enough circuit, and it’s understood that it...
When you buy a cheap ham radio handy-talkie, you usually get a little “rubber ducky” antenna with it. You...
