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Signals from Space! (part 1)
A few weeks ago, I posted about an inexpensive software radio receiver product I’m working on. Joby suggested last week that I try and receive weather satellite signals — yes, from SPACE! I was...
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Signals from Space! (part 2, and a Chronulator contest)
Quick recap: In part 1, I captured weather satellite signals with my software-defined radio prototype, using the audio input on my laptop. So, what can be done with these captured signals? The first...
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Signals from Space! (part 3)
In the last two parts, I used my homebrew software-defined radio to receive weather image signals from the NOAA-19 satellite and spent some time trying to calculate the satellite’s speed using...
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ADF4350 VCO+PLL Breakout Board
I’m a software radio freak. When I first heard about the Analog Devices ADF4350, a PLL+VCO that can tune between 137.5 and 4400 MHz, I was obsessed with getting one and building it into my projects....
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Software Radio Baseband Digitizer PCB
I’m plugging away at building an inexpensive, high-bandwidth software-defined radio receiver. I built a bunch of PLL+VCO boards, filter boards, and quadrature mixer boards. But I still don’t have a...
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Progress On My Software-Defined Radio
I’ll confess, I’ve kept some secrets from you. The fancy software radio baseband digitizer I mentioned back in November? I got it working not long after, and I’ve had some fun with it (see demo video,...
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Radio Spectrum Analyzer at Maker Faire
Here’s some details of my radio spectrum analyzer hack at Maker Faire. But first, a quick video of the hack in action: Technical Details This project is built around the HackRF, a software-defined...
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PortaPack for HackRF One is Imminent!
With the Kickstarter HackRF Ones shipping out soon, I’ve made some progress on the PortaPack add-on. I have a revised prototype, adapted to attach to the HackRF One. The PortaPack for HackRF One is...
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PortaPack: It Is Time
The PortaPack for HackRF One is now available! Visit the ShareBrained Store to have a look at the features, current state of the firmware, and all the other things you should know before you buy. Thank...
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