via HACKADAY: The New Extremely Large Telescopes and The US’ Waning Influence In Astronomy For many decades, the USA has been at the forefront of astronomy, whether with ground-based…
via HACKADAY: GitHub Hosts Ham Radio has been busy creating version two of a homebrew all-band ham radio transceiver. The…
via HACKADAY: Spend an Hour in the Virtual Radio Museum You have an hour to kill, and you like old communication technology. If you happen…
via HACKADAY: Matchbox Transceiver Pushes the Spy Radio Concept to Its Limits The Altoids tin has long been the enclosure of choice for those seeking to show…
via HACKADAY: Ham Radio Paddles Cost Virtually Nothing If you don’t know Morse code, you probably think of a radio operator using a…
via HACKADAY: Almost Making a Camera Sensor From Scratch On our travels round the hardware world we’ve encountered more than one group pursuing the…
via HACKADAY: Farewell MFJ We were sad to hear that after 52 years in operation, iconic ham radio supplier…
via HACKADAY: Reverse Engineering the Quansheng Hardware In the world of cheap amateur radio transceivers, the Quansheng UV-K5 can’t be beaten for…
via HACKADAY: Downloading Satellite Imagery With a Wi-Fi Antenna Over the past century or so we’ve come up with some clever ways of manipulating…
via HACKADAY: Radio Frequency Burns, Flying a Kite, and You Most hams can tell you that it’s possible to get a nasty RF burn if…
via HACKADAY: AM Radio Broadcast Uses Phasor To Let Eight Towers Spray One Big Signal If you’re in the commercial AM radio business, you want to send your signal as…
via HACKADAY: The Hunt for MH370 Goes On With Barnacles As A Lead On March 8, 2014, Malaysia Airlines Flight 370 vanished. The crash site was never found,…
via HACKADAY: Measuring An Unknown Velocity Factor When is the speed of light not the speed of light? Of course, that’s a…
via HACKADAY: Getting Started with Radio Astronomy There are many facets to being a radio hobbyist, but if you’ve ever had the…
via HACKADAY: Crystal Radio Kit from the 1970s If you read the December 1970 issue of Mechanix Illustrated, you’d be treated to ’s…
via HACKADAY: Voice Control for a Vintage Heathkit Radio Most modern ham rigs have a voice activated transmission (VOX) mode, although we don’t know…
via 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…
via HACKADAY: M17 Digital Communications Go From Strength To Strength The world of amateur radio is like many other fields in that there has been…
via HACKADAY: DIY 6 GHZ Pulse Compression Radar Conceptually, radar is pretty simple: send out a radio wave and time how long it…
via HACKADAY: 1950s Switching Power Supply Does it Mechanically When you hear about a switching power supply, you think of a system that uses…
via HACKADAY: Emails Over Radio The modern cellular network is a marvel of technological advancement that we often take for…
via HACKADAY: A Spark Gap Transmitter, Characterized When we think of a spark gap radio transmitter, most of us immediately imagine an…
via HACKADAY: A Long-Range Meshtastic Relay In the past few years we’ve seen the rise of low-power mesh networking devices for…
via HACKADAY: How Much Bandwidth Does CW Really Occupy? Amateur radio license exams typically have a question about the bandwidths taken up by various…