Collaborate Disseminate
Imagine you own a weather station. Then imagine that after some years have passed, you’ve had to replace one of the sensors multiple times. Your new problem is that the …read more Continue reading Recreating Unobtainium Weather Station Sensors
[My Ham Radio Journey] wanted to see if a “common person” (in his words) could build an effective vertical ham radio antenna. If you look at the video below, the …read more Continue reading $40 Ham Antenna Works Six Bands
[Dale Cook] has cats, and as he readily admits, cats are jerks. We’d use stronger language than that, but either way it became a significant impediment to making progress with …read more Continue reading RFID From First Principles and Saving a Cat
SDRs have been a game changer for radio hobbyists, but for ham radio applications, they often need a little help. That’s especially true of SDR dongles, which don’t have a …read more Continue reading Junk Box Build Helps Hams with SDR
Do you remember the fourth-place winner in the 2022 Hackaday Prize? If it’s slipped your mind, that’s okay—it was Boondock Echo. It was a radio project that aimed to make …read more Continue reading 2023 Hackaday Supercon: One Year of Progress for Project Boondock Echo
Ideally, if you are going to transmit, you want a properly-tuned resonant antenna. But, sometimes, it isn’t practical. [Ham Radio Rookie] knew about random wire antennas but didn’t want a …read more Continue reading Random Wire Antenna Uses No Wire
The regenerative radio is long-ago superseded in commercial receivers, but it remains a common project for electronics or radio enthusiasts seeking to make a simple receiver. It’s most often seen …read more Continue reading Humble Television Tubes Make An FM Regenerative Radio
If you’re planning on working satellites or doing any sort of RF work where the signal lives down in the dirt, you’re going to need a low-noise amplifier. That’s typically …read more Continue reading A Lesson in RF Design Thanks to This Homebrew LNA
We love seeing the incredible work many RF enthusiasts manage to pull off — they make it look so easy! Though RF can be tricky, it’s not quite the voodoo …read more Continue reading GNSS Reception with Clone SDR Board
As far as hobbies go, ham radio tends to be on the more expensive side. A dual-band mobile radio can easily run $600, and a high-end HF base station with …read more Continue reading Few Things Are Cheaper than This Antenna