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For 1420 MHz (the hydrogen line), the best ferrite toroid material is not a typical low-frequency ferrite (like #43 or #61) — these are optimized

To change the username on Ubuntu, follow these steps carefully, as doing it incorrectly can cause login or permission issues. Here’s

GNU Radio is an open-source toolkit for building software-defined radios (SDRs) and signal processing systems. It’s widely used by hobbyists, researchers,

Thanks, Andrew — that suggests the Ubuntu installer is currently only seeing your USB drive (e.g., SanDisk USB 3.2 Gen1) as

Grafana itself runs on Windows, so if you’re looking for a Grafana-like tool on Windows, you can simply install Grafana directly on

The galaxies M81 (Bode’s Galaxy) and M82 (the Cigar Galaxy) are very close together in astronomical terms. Here’s how close: 🔭 Angular Separation (as seen from

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Detecting the hydrogen line at 1420.4058 MHz is a popular project among amateur radio astronomers, and several software-defined radios (SDRs)