Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net
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
Read moreThe localhost URL is typically “http://localhost” or “http://127.0.0.1“. This address allows your computer to communicate with itself, often used for
Read moreTo make your Dell Precision M6800 automatically or manually switch from internal speakers to external speakers (e.g., via the 3.5mm headphone jack
Read moreEvidence for dark matter comes from multiple, independent lines of observation across astrophysics and cosmology. Here are the main ones:
Read moreThe error message: means that systemd can’t find a service file named PicoMuonACM0.service. To resolve this, you’ll need to create,
Read moreThe best image mosaic software for night sky (astrophotography) mosaics depends on your goals, budget, and level of control needed.
Read moreReducing noise in a 1420 MHz radio telescope setup (i.e., for detecting the hydrogen line) involves addressing both internal and
Read moreIf I use a filter at 1420 MHz that causes 3 dB loss and in amplifier beforehand that gives 3dB
Read moreA long Yagi antenna tuned for 1430 MHz can still work at 1420 MHz, but with reduced efficiency and some detuning effects.
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