To access the single-use boot menu on an HP ProDesk 600 Mini with an Intel i7-6700
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To access the single-use boot menu on an HP ProDesk 600 Mini with an Intel i7-6700, follow these steps: 🔧 Steps to Enter Boot Menu for USB Boot: ⚠️ Notes:
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Effect of oxidation on electrical conductivity of copper tape used on antennae
Copper tape that has oxidized to form copper oxide is much less electrically conductive than pure metallic copper — in fact, copper(I) oxide (Cu₂O) and copper(II) oxide (CuO) are both…
To open Command Prompt as Administrator in Windows
To open Command Prompt as Administrator in Windows, follow one of these methods: ✅ Method 1: From Start Menu (most common) ✅ Method 2: Using Run Dialog You’ll know it…
Reducing noise in radio telescope systems
Original PowerPoint downloadable from link below. One thing I missed in it was to say that all monitor screens near telescope or aerial should be switched off and linear power…
Introduction to using NanoVNA
Original Powerpoint file by myself downloadable from link below. https://www.astronomy.me.uk/wp-content/uploads/2025/07/NanoVNA_Hydrogen_Line_Basics.pptx
How to sort out problem if Ubuntu installer cannot see main C drive as boot device
Thanks, Andrew — that suggests the Ubuntu installer is currently only seeing your USB drive (e.g., SanDisk USB 3.2 Gen1) as a possible bootloader target, not your internal drive, which…
Separation M81 and M82 galaxies
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 Earth): 📏 Physical (Spatial)…
Working JSON Model for Grafana Dashboard for LRO Cosmic Watch Muon Detectors V2 (currently used https://cosmicwatch.astronomy.me.uk 29/6/2025) — 29/6/2025@22:30
{ “annotations”: { “list”: , “type”: “dashboard”
Compare performance and attenuation standard LMR-600 and flexible LMR-600 coaxial cables
This page has been created with the help of ChatGPT 11/1/2025. Compare performance and attenuation standard LMR-600 and flexible LMR-600 coaxial cables: The LMR-600 Standard and LMR-600 Flexible are both…