Designing a simple cavity filter for 1420 MHz (the neutral hydrogen line at 1420.405 MHz) is very practical for radio astronomy front ends, especially to reduce out-of-band interference before amplification.…
Setting up MySQL on your own computer is generally straightforward, especially if you’re comfortable installing typical desktop software. The difficulty mainly depends on your operating system and whether you want…
When querying ChatGPT on the viability of connecting an USB splitter cable from a DC-DC 12V-5V converter to supply a Raspberry Pi ZERO 2W and SuperSID preamp, ChatGPT gave this…
How can I use WordPress to display contents of a folder – all JPEG files – ideally display one picture and allow viewer on the WordPress side to select other…
https://www.astronomy.me.uk/wp-content/uploads/2026/02/Intel-NUC7i7BNH-MiniPC-User-Manual.pdf
I collect data with free Linux PCs. I find my Windows 10 PC is running Python 3.9.4, which does not show a problem. I see available Win11 Python version 3.12…
From Alex Pettit 25/2/2026: From Jan Lustrop: I use 40 dB attenuator on port S11 for Sawbird+H1 LNAs. The above were responses to post on SARA Mailing List that noted…
https://www.astronomy.me.uk/wp-content/uploads/2026/02/Initial-Positive-Data-134cm-VLF-Aerial-with-direct-input-into-USB-Soundcard-LRO-250226.pdf
https://www.astronomy.me.uk/wp-content/uploads/2026/02/ZHL-1217HLN_dashboard.pdf
Admin