How to install sdrutil in Linux Ubuntu
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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…
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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?
https://www.astronomy.me.uk/wp-content/uploads/2025/10/What-is-return-loss-261025-scaled.jpg
Mini-Circuits SLP-21.4+ Coaxial Low Pass Filter 50Ohm DC-22MHz Data Sheet
Download data sheet below: https://www.astronomy.me.uk/wp-content/uploads/2025/10/Mini-Circuits-SLP-21.4-Coaxial-Low-Pass-Filter-50Ohm-DC-22MHz-Data-Sheet-261025.pdf
Was the Orionid meteor shower a flop this year?
The Orionid meteor shower is described by the Royal Museums Greenwich, London, website as: Orionids 22 October 2 Oct-7 Nov 15 Fast with fine trains. Associated with Comet Halley (https://www.rmg.co.uk/stories/space-astronomy/meteor-shower-guide-2025…