via HACKADAY: Farewell MFJ
We were sad to hear that after 52 years in operation, iconic ham radio supplier…
Category: makerspace
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…
via 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…
via HACKADAY: A NanoVNA as a Dip Meter
A staple of the radio amateur’s arsenal of test equipment in previous decades was the…
via HACKADAY: LoRA, With No Radio
A LoRa project has traditionally required a dedicated radio module, because it’s a commercially licenced…
Via AMSAT: ANS-091 AMSAT News Service Weekly Bulletins
AMSAT News Service ANS-091 March 31, 2024 In this edition: AMSAT-DL Proposes Next Generation GEO/MEO…
via HACKADAY: Automatic Position Reporting Over HF Radio
While most of us carry cell phones that have GPS and other location services, they…
via HACKADAY: A 65-in-1 the 2024 Way
If necessity is the mother of invention, nostalgia must be its stepmother, or its aunt…
via HACKADAY: Open HT Surgery Gives Cheap Transceiver All-Band Capabilities
Watch out, Baofeng; there’s a new kid on the cheap handy talkie market, and judging…