Mini-Circuits SLP-21.4+ Coaxial Low Pass Filter 50Ohm DC-22MHz Data Sheet
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Download data sheet below: https://www.astronomy.me.uk/wp-content/uploads/2025/10/Mini-Circuits-SLP-21.4-Coaxial-Low-Pass-Filter-50Ohm-DC-22MHz-Data-Sheet-261025.pdf
Was the Orionid meteor shower a flop this year?
The Orionid meteor shower is described by the Royal Museums Greenwich, London, website as: Orionids 22 October 2 Oct-7 Nov 15 Fast with fine trains. Associated with Comet Halley (https://www.rmg.co.uk/stories/space-astronomy/meteor-shower-guide-2025…
New revised SDRplay version 23/10/2025 of Ted’s original ezRA GNU Radio Data Collection Script from 20/10/2025
https://www.astronomy.me.uk/wp-content/uploads/2025/10/Ted-Clines-original-GNU-Radio-ezRA-GRC-script-201025ezColGR251018eArevised-AT-231025.zip https://www.astronomy.me.uk/wp-content/uploads/2025/10/Ted-Cline-GNU-Radio-SDRplay-AT-revisions-231025.zip
Data files from LRO-H2 created using draft SDRplay GNU Radio Software and SDRplay RSPduo SDR 21-23/10/2025
Unfortunately, these do not seem to be able to be processed in ezRA. GRC file used for data collection below (GNU Radio Companion File): https://www.astronomy.me.uk/wp-content/uploads/2025/10/ezColGR251018eA-AT201025@2240.zip Data Files created by above…
Protected: New Beta GNU Radio script to generate ezRA .txt data files that can be processed in ezRA
There is no excerpt because this is a protected post.
Two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross
Two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross. Here’s how to make it work well: So yes: two-core plastic cable…
Two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross.
Short answer: yes—two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross. Here’s how to make it work well: So yes: two-core…
How to change an username on Linux Ubuntu
To change a username in Ubuntu cleanly and safely, follow these steps from a different admin account (not the one you’re renaming) — or from a root shell. ⚠️ Important:…
Extreme difficulty detecting Jupiter or Saturn at 10 GHz.
From SARA meeting 19/10/2025: Eduard Mol: Just found Joachim Köppens planet observations at 10 GHz, I believe he used a 7.2 metre dish: http://sat-bodenstation-roenne.uni-kiel.de/. Jupiter was only 0.015 dB! Saturn…
Controlling Skywatcher mounts on Linux
Hi Andrew — good to see your interest in Linux astro-control setups (especially given your radio astronomy background!). For a Sky‑Watcher mount (SynScan-based) under Linux, here’s a breakdown of what…