Collaborate Disseminate
Everyone who deals with electronics knows that grounding is important. Your house has a copper rod in the ground. But [Kristen K6WX] has news: the idea of ground is kind …read more Continue reading Ham Busts the Myth of Ground
We’ve all been there. You left your Walkman at home and only have your trusty Game Boy. You want to take a break and just listen to some tunes. What …read more Continue reading Orange FM Brings Radio to the GameBoy
[Stephen McNamera] found a schematic for a grid leak radio online and decided to throw together a few tubes on a piece of wood and see how it worked. As …read more Continue reading Grid Leak Radio Draws the Waves
Stay in the amateur radio hobby long enough and you might end up with quite a collection of antennas. With privileges that almost extend from DC to daylight, one antenna …read more Continue reading Passive Diplexer Makes One Antenna Act Like Two
In the 1960s, if you were a teenager in the United States, a big part of your life was probably music. There was a seemingly endless supply of both radio …read more Continue reading Radio Caroline at 60
Something that all radio amateurs encounter sooner or later is the subject of impedance matching. If you’d like to make sure all that power is transferred from your transmitter into …read more Continue reading A Tiny Tuner For The Low Power Ham
[Alex R2AUK] has been busy creating version two of a homebrew all-band ham radio transceiver. The unit has a number of features you don’t always see in homebrew radios. It …read more Continue reading GitHub Hosts Ham Radio
The Altoids tin has long been the enclosure of choice for those seeking to show off their miniaturization chops. This is especially true for amateur radio homebrewers — you really …read more Continue reading Matchbox Transceiver Pushes the Spy Radio Concept to Its Limits
If you don’t know Morse code, you probably think of a radio operator using a “key” to send Morse code. These were — and still are — used. They are …read more Continue reading Ham Radio Paddles Cost Virtually Nothing
Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or …read more Continue reading DIY Passive Radar System Verifies ADS-B Transmissions