When is the speed of light not the speed of light? Of course, that’s a…
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via HACKADAY: Getting Started with Radio Astronomy
There are many facets to being a radio hobbyist, but if you’ve ever had the…
Read morevia HACKADAY: Crystal Radio Kit from the 1970s
If you read the December 1970 issue of Mechanix Illustrated, you’d be treated to [Len Buckwalter]’s…
Read morevia HACKADAY: Voice Control for a Vintage Heathkit Radio
Most modern ham rigs have a voice activated transmission (VOX) mode, although we don’t know…
Read morevia HACKADAY: WSPR To The Wind With A Pi Pico High Altitiude Balloon
They say that if you love something, you should set it free. That doesn’t mean…
Read morevia HACKADAY: M17 Digital Communications Go From Strength To Strength
The world of amateur radio is like many other fields in that there has been…
Read morevia HACKADAY: DIY 6 GHZ Pulse Compression Radar
Conceptually, radar is pretty simple: send out a radio wave and time how long it…
Read morevia HACKADAY: 1950s Switching Power Supply Does it Mechanically
When you hear about a switching power supply, you think of a system that uses…
Read morevia HACKADAY: Emails Over Radio
The modern cellular network is a marvel of technological advancement that we often take for…
Read morevia HACKADAY: A Spark Gap Transmitter, Characterized
When we think of a spark gap radio transmitter, most of us immediately imagine an…
Read morevia HACKADAY: A Long-Range Meshtastic Relay
In the past few years we’ve seen the rise of low-power mesh networking devices for…
Read morevia HACKADAY: How Much Bandwidth Does CW Really Occupy?
Amateur radio license exams typically have a question about the bandwidths taken up by various…
Read morevia HACKADAY: A Practical Guide To Understanding How Radios Work
How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or…
Read morevia HACKADAY: A NanoVNA as a Dip Meter
A staple of the radio amateur’s arsenal of test equipment in previous decades was the…
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