Month: October 2025

To change a username in Ubuntu cleanly and safely, follow these steps from a different admin account (not the one you’re

From SARA meeting 19/10/2025: Eduard Mol: Just found Joachim Köppens planet observations at 10 GHz, I believe he used a

Hi Andrew — good to see your interest in Linux astro-control setups (especially given your radio astronomy background!). For a

Compare RSP1 RSP2 RSPDuo HackRF PlutoSDR USRP. Here’s a practical, spec-level compare of the popular SDRs you named, with notes

https://www.astronomy.me.uk/wp-content/uploads/2025/10/DSES251016_10.txt Not worked! This first attempt to generate GNU Radio Companion GRC script with SDRplay RSPduo SDR which creates data

Generally, the bigger the better within practical limits. Consider its orientation  (N-S or E-W), where it will be located, will

Building a horn antenna tuned for the 21 cm (1420.405 MHz) hydrogen line is a popular and effective way to

I asked ChatGPT how to do this, and here is its suggestion:

WR-650 already covers 1.12–1.70 GHz, so 1.420 GHz sits comfortably in-band—you don’t need to resize the guide. What you do need is a

The WR14 waveguide (also known as WH14) is a rectangular waveguide used for millimeter-wave applications in the K-band. Here are the key technical specifications: Parameter Value Designation