After the tests on 21/7/2026, I realised I needed to add in bias tee providing 12V to the Norsat 9000 – so the results on 21/7/2026 (21 July 2026) are WITHOUT bias tee, and the results on 22/7/2026 are WITH bias tee/12V supply to Norsat 9000.
21/7/2026:
22/7/2026:
https://www.astronomy.me.uk/wp-content/uploads/2026/07/Testing-Norsat-9000-LDF-LNB-220726.pptx