Let’s look at SDR intermodulation products, and also how these are different from analog receivers. These phantom signals are a problem for low HF and higher MF listening. Read more
Tag: hamr
Contour ShuttleXpress SDR Tuning
Contour ShuttleXpress SDR tuning works well with SDRplay, but not so well with other radio control software. Routing keystrokes properly is tricky. Read more
Wideband Loop Compendium Update
Feel free to click the links and enjoy the details presented in my wideband loop compendium update covering my experiments and learnings over the past two years. Read more
RFI Spectrum Hunter Loop
By combining TinySA with my direction finder, I may be able to create a lightweight RFI spectrum hunter loop. Just the ticket for tracking down noisy neighbors. Read more
TinySA Low Cost Spectrum Analyzer
Who ever thought you could get a brand new low cost spectrum analyzer for fifty dollars? Well, you can, and it works fine. Read more
RA0SMS X-Phase Arrives from Irkutsk
Time to try some more analog devices for noise reduction and antenna phasing, starting with the RA0SMS X-Phase QRM Eliminator kit. Read more
Discover LOFAR – Low Frequency Universe
Discover LOFAR and learn about how to search the universe for signals using digital beamforming with simple antennas and computers. Read more
Flight Recorder Underwater Beacons
Flight recorder underwater beacons emit audio signals at 37.5 kHz. So, why use audio rather than radio for this important task? Read more
Thinking About 2021 Projects
What to do next? Time to sit back and scope out my 2021 projects as we move past the pandemic. Lots of ideas but no decisions yet. Read more
Year in Review 2020 Diversity Reception
I have been playing with dual channel SDR for a few years. But in 2020 diversity reception took a major leap forwards with RSPduo and phased array. Read more