From Robert Meade, SARA mailing list 24/12/2025: Rather than using Dicke switching of the RF path between the antenna and

Hi All I hope you have enjoyed Christmas Day – I have just processed the first part of my data

Here is what you need to build your own Cantenna: Doing the math:Use an online calculator, such as the one

Prerequisites Before testing the USB relay, ensure you have the following installed: Installation Steps bash Copy Code sudo apt-get update

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

Andy, For parabolic dishes you want to design your feedhorn in such a way that it has an attenuation of

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