Impedance of simple dipole 📡
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The impedance of a simple dipole antenna is the measure of how much resistance and reactance it offers to the flow of alternating current (AC) at a given frequency. It…
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Narrowband post-processing in Affinity Photo Software
According to ChatGPT….. To do **narrowband post-processing** in **Affinity Photo**, especially for astrophotography (e.g., H-alpha, OIII, SII), you can follow a structured workflow. The idea is to map each narrowband…
Comparison between HP ProDesk 405 G2, G3, and G4 Mini computers
The HP ProDesk 405 G2, G3, and G4 Mini are successive generations of small form factor business desktop PCs. The main differences between them involve processor generation, chipset improvements, graphics…
HP Mini 600 G4 isn’t detecting the Ubuntu installation after reboot.
It sounds like your HP Mini 600 G4 isn’t detecting the Ubuntu installation after reboot — a common issue that can happen due to: ✅ Immediate Diagnostic Steps 1. Check…
Standalone Python script to generate two synthetic signals and performs FFT-based correlation.
Here’s a standalone Python script you can run on your Linux system later. It generates two synthetic signals, performs FFT-based correlation, and saves the result to a timestamped .npy file…
Astropy could be useful for converting RA/DEC to galactic coordinates
Astropy could be useful for converting RA/DEC to galactic coordinates, see:https://docs.astropy.org/en/stable/coordinates/index.html
How to move large calenders from one Microsoft Outlook account to another advice from ChatGPT
In addition to advice below it is worth reading Microsoft’s own instructions at: https://support.microsoft.com/en-gb/office/export-emails-contacts-and-calendar-items-to-outlook-using-a-pst-file-14252b52-3075-4e9b-be4e-ff9ef1068f91#picktab=classic_outlook ADVICE FROM CHATGPT: Outlook’s .CSV export via File → Open & Export → Import/Export is limited…
lightning protection for large radio dishes
I asked ChatGPT about this and it’s response is reproduced below. However, I recommend reading the following from Bob Williams before reading the ChatGPT response. Bob is a long-time radio…