What is terminal command on Raspberry Pi to reboot device?
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On a Raspberry Pi (running Raspberry Pi OS or most Linux distros), you can reboot from the terminal with: Alternatives Notes
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At last! Brian Coleman hydrogen line feed mounted somewhere near focal point on LRO-H2 solar cooker radio telescope
The supports now can be altered in length to optimise focal position.
How to choose a planetarium app for amateur astronomy
Recently I was asked whether I would recommemd the Stellarium planetarium app on the phone. I know little about Stellarium app although many people tell me it is good. This…
How to use 16 V / 83 F supercapacitor module as a clean power buffer for radio / SDR work.
Here’s a practical, no-nonsense way to use that 16 V / 83 F supercapacitor module as a clean power buffer for radio / SDR work. 🔧 Basic idea You want…
The role of amplification in the Nooelec SAWBird H1 LNA
Andy, You are correct that it is mostly an emphasis to your description but the points, although subtle, are I think of important general applicable engineering description in the design…
Shi Cai Speech at Funeral
https://www.astronomy.me.uk/wp-content/uploads/2026/03/Shi-Cai-Photo-Album.pptx
In Microsoft PowerPoint how do I set up slide show to automatically display series of slides?
To make a Microsoft PowerPoint slideshow run automatically, you need to set timings and configure the show settings. Here’s the straightforward way: 1. Set slide timings (automatic advance) 👉 Alternatively:…
What is dedispersion in radio astronomy signal processing?
Dedispersion is a signal-processing technique used in radio astronomy to correct for the effect of interstellar dispersion—the way radio waves get “smeared out” as they travel through space. 🌌 What…
What is next size up antenna rotator from Yaesu G-5500VDC?
Got it — you mean the next size up from the Yaesu G-5500DC antenna rotator. Short answer: there is no direct “next model up” that is the same type. Moving…
What is load capacity of Yaesu G-5500VDC antenna rotator?
The Yaesu G-5500DC doesn’t have a single simple “load capacity” like a crane or mount — Yaesu specifies it using several related limits. The key figures are: ✅ Primary load…