astronomy.network The Website of Lichfield Radio Observatory (LRO)

Graphs as of 17/6/2025: Daily graph from 16/6/2025: Latest weekly results: Latest monthly results:

The TinySA and NanoVNA are both compact, affordable test instruments used in radio frequency (RF) and electronics work, but they

If you’re already in the dialout group but still get “permission denied” when accessing /dev/ttyUSB0, here are the common causes and fixes: 1. You need

The localhost URL is typically “http://localhost” or “http://127.0.0.1“. This address allows your computer to communicate with itself, often used for

To make your Dell Precision M6800 automatically or manually switch from internal speakers to external speakers (e.g., via the 3.5mm headphone jack

Evidence for dark matter comes from multiple, independent lines of observation across astrophysics and cosmology. Here are the main ones:

The error message: means that systemd can’t find a service file named PicoMuonACM0.service. To resolve this, you’ll need to create,

The best image mosaic software for night sky (astrophotography) mosaics depends on your goals, budget, and level of control needed.

Reducing noise in a 1420 MHz radio telescope setup (i.e., for detecting the hydrogen line) involves addressing both internal and