Prerequisites Before testing the USB relay, ensure you have the following installed: Installation Steps bash Copy Code sudo apt-get update sudo apt-get install git python3 libhidapi-dev libhidapi-hidraw0 python3-pip bash Copy…
https://www.astronomy.me.uk/wp-content/uploads/2025/12/Hydrogen-line-observations-From-frugal-to-advanced-Astropeiler-Wolfgang-HermannHydrogen1.pdf
Ted Cline – N0RQV:secret ezCon command option …………. -ezConAntXTVTLevelL 1.3 -3.2 (multiply all AntXTVT sample values and add) Use per file (or batch files) to normalise.
Andy, For parabolic dishes you want to design your feedhorn in such a way that it has an attenuation of 10 to 12 dB towards the rim of the dish.…
https://www.astronomy.me.uk/wp-content/uploads/2025/12/Peter-East-Hydrogen-Line-Radio-Telescope-1.pdf https://www.astronomy.me.uk/wp-content/uploads/2025/12/Peter-East-Hydrogen-Line-Radio-Telescope-2.pdf https://www.astronomy.me.uk/wp-content/uploads/2025/12/Peter-East-Hydrogen-Line-Radio-Telescope-3.pdf
https://www.astronomy.me.uk/wp-content/uploads/2025/12/RSPduoDatasheetV05_251224_130849.pdf
From Alex Pettit 23/12/2025, published on SARA Mailing List, sara-list@googlegroups.com Performance Exceeds anything I’ve seen in the ‘out of the box’ beginner systems ..
The following information is from Alex Pettit 23/12/2025: For Example, in this case where local RFI is seen from an adjacent monitor to the receiver. The following 3 plots show:…
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