Collaborate Disseminate
While most of us carry cell phones that have GPS and other location services, they require a significant amount of infrastructure to be useful. Drive from Washington to Alaska like …read more Continue reading Automatic Position Reporting Over HF Radio
Watch out, Baofeng; there’s a new kid on the cheap handy talkie market, and judging by this hardware and firmware upgrade to the Quansheng UV-K5, the radio’s hackability is going …read more Continue reading Open HT Surgery Gives Cheap Transceiver All-Band Capabilities
[ProjectsInFlight] has been doing some fantastic work documenting his DIY semiconductor fab lately. Next up: exploring down-and-dirty photolithography methods. If you’ve been following along with this series — and why …read more Continue reading Silicon Photolithography the PCB Way
Building circuits on a silicon chip is a bit like a game of Tetris — you have to lay down layer after layer of different materials while lining up holes …read more Continue reading Testing Oxide Etchants for the Home Semiconductor Fab
For all their supposed benefits, homeowner’s associations (HOAs) have a reputation of quickly turning otherwise quaint neighborhoods into a sort of Stanford prison experiment, as those who get even the …read more Continue reading Antenna Hidden in Holiday Lights Skirts HOA Rules
An abiding memory for a teen fascinated by electronics and radio in the 1970s and 1980s is the proliferation of propaganda stations that covered the shortwave spectrum. Some of them …read more Continue reading Owning A ShortWave Radio Is Once Again A Subversive Activity
Every time we see a dispatch from [Mr. Carlson], we imagine it is being beamed from his orbital station packed full of vintage radio gear. We are certain the reality …read more Continue reading A 3-6-9 Antenna Pulls in the Signals
We will have all at some point seen a fascinating project online, only to find not enough information to really appreciate and understand it. Such a project came [Bill Meara]’s …read more Continue reading Traditional Analogue And An FPGA Make This Junkbox HF Receiver A Bit Special
Cheap, easy to use SDR dongles are an immensely powerful tool for learning about radio technology. However, building your own SDR is not something too many hackers are confident to …read more Continue reading sBITX: Hackable HF SDR For The Raspberry Pi
What attracts a lot of people to amateur radio is that it gives you the ability to make your own gear. Scratch-building hams usually start by making their own antennas, but eventually, the itch to build one’s own radio must …read more
Continue reading A One-Transistor Ham Transmitter Anyone Can Build