This was a test inside house so hydrogen signal not detected. https://www.astronomy.me.uk/wp-content/uploads/2026/01/Inside-house-test-coaxial-relay-with-SAWBird-Barebones-H1-LNA-internal-resistor-040126.mp4 Post navigation Using large 4-5 metre mesh dishes for hydrogen line radio astronomy Cantenna Design for Hydrogen Line Observations