This will not be Milky Way as inside and Doppler shift on the 1420 MHz line too big – about 190 km/s (calculated from the difference in frequency on plot…
The short answer is: most computer monitors do not directly emit significant power at 1420 MHz, but they can produce harmonics, local oscillator leakage, or broadband RF noise that can…
How to install “.appimage” files in Linux Ubuntu Yes, Linux; the Linux packages are distributed as an “.appimage” for 32-bit and 64-bit distributions, and should run across all major Linux…
Good question, Andrew — short answer: yes, up to a point, a larger corner reflector will generally improve hydrogen line observing, but there are trade-offs. Here’s the breakdown: 1. Collecting…
To use RSPUno for interferometry, you’ll need to understand both the hardware configuration and the software/data processing workflow. RSPUno is a system derived from the Radio-SkyPipe software but optimized for…
Two monopoles at 90 degrees in cantenna One connects to splitter immediately Two connects via coax either 1/4 wavelength or 5/4 wavelength (more practical length = 26.5cm x 66% (velocity…
From: A. C.Sent: 06 October 2025. Andrew, I was going to mention but I forgot, in the after RTOP meeting yesterday you asked what the High Z antenna connectors in…
I have booted Ubuntu from USB drive and would like to permanently install it on the computer. No install button appears. That’s a common issue, and it’s usually easy to…
These instructions install the software directly onto an Intel PC rather than booting into Linux on to USB pendrive or SD card. These instructions use a paid-for piece of Windows…
Yes ✅ — it is possible to combine two Ubuntu ISO images so that the resulting image contains all the software packages from both. However, this isn’t done by simply…
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