The “ls” command in Linux Ubuntu
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In Ubuntu (and most Unix-like systems), the ls command is used to list the contents of a directory. When you type: …it shows the names of files and folders in…
How to clone a drive using Ubuntu’s own built-in tools (no extra software)
If you want to clone a drive using Ubuntu’s own built-in tools (no extra software), the most reliable options are: 🧰 1. Using dd (built-in terminal tool) This is the…
How to install sdrutil in Linux Ubuntu
The term “SDRUtil” can refer to a few different tools depending on context (some are tied to SDRplay, others are part of more general SDR toolchains). From your past context…
What sample rate to use in the GNU Radio SDRplay RSPDuo block for 1420MHz radio astronomy data collection?
SDR Play RSPduo – in gr-sdrplay3 module in GNU Radio it asks me to put in separate sample rate in options separate to center frequency. For 1420 MHz what sample…
Function and use of “Subtract” block in GNU Radio
Good question — the Subtract block in GNU Radio Companion works on streamed numeric sample data, and the type of data it processes depends on what version of the block…
You can have two (or more) instances of the GNU Radio Companion QT GUI Vector Sink block in the same flowgraph
Yes — you can have two (or more) instances of the GNU Radio Companion QT GUI Vector Sink block in the same flowgraph, but there are a few practical considerations…
GNU Radio does have blocks that can subtract streamed data in real time
GNU Radio does have blocks that can subtract streamed data in real time, though there isn’t a single block literally called “Subtraction”. You can achieve subtraction cleanly in a few…
GNU Radio, the “Stream to Vector” block
In GNU Radio, the “Stream to Vector” block works with streamed sample data and groups it into fixed-length vectors. Here’s a clear breakdown of how it works: 📡 Input Type…
How much uranium is it legal to own without licence in UK?
How much uranium is it legal to own without licence in UK? Short answer: there isn’t a simple mass limit — UK law controls radioactive activity (becquerels), not kilograms. Small…
What is return loss?
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