Stephen Arbogast has noted an error in the BAA GNU Radio for Amateur Radio Astronomy meeting last Monday and sent me the following information: A rational re-sampler block does not…
Results of Microsoft Copilot AI search 15/5/2026. I do not know whether this works. Yes, it is possible to create a single distributable executable or package from a GNU Radio…
In GNU Radio, “2nd order baseline flattening” isn’t a single built-in block—you implement it by estimating a quadratic trend and subtracting it from your signal. Here are the practical ways…
https://www.astronomy.me.uk/wp-content/uploads/2026/04/Resources-from-Practical-SDR-website.zip
📡 GNU Radio Dedispersion Flowgraph (ASCII) 🧠 Dedispersion Core Idea (ASCII) Dispersion delay: Convert to samples: Each channel is delayed differently, then aligned and summed. 🧩 Key Block Notes Signal…
The name “Soapy” in SoapySDR (and the associated Soapy drivers) comes from the idea of making SDR hardware support clean and simple — as in “soap makes things clean.” SoapySDR…
An FIR filter (Finite Impulse Response filter) in GNU Radio works by applying a weighted sum of a finite number of input samples to produce each output sample. Let’s break…
FM demodulation looks mysterious in GNU Radio because it’s one tidy block… but under the hood it’s actually very simple. FM is just information encoded as changes in instantaneous frequency.…
https://gitlab.com/gnuradio_book/flowcharts
AM demod looks simple on the surface, but under the hood it’s doing a couple of neat little tricks. If the built-in AM demod block vanished overnight, you’d rebuild it…
Admin