Jan kindly tested his AD8302 board to see what voltages he gets – and I have similarly tested mine today. Results below. Andy http://astronomy.me.uk/wp-content/uploads/2024/01/Testing-voltages-on-outputs-AD8302-board-interferometer-Jon-Lustrup-vs-Andrew-Thornett-260124.docx
Photo of the 2 muon detectors at LRO – they are made by UKRAA and used in coincidence mode (master/slave configuration). Andy
Data from 21-22/1/2024 @ LRO – 5m distance between 2 x Nooelec 1.4GHz 60x100cm mesh aerials
Interferometers need hardware bias tees for SAWBird H+ 1420MHz filters with cascaded amplifiers, (which they also need as AD8302 chip requires certain level power input on SMA connectors to work)…
Correspondence with Jan Lustrup: Hi Andy…. You want to test changes of phase between the ports, not frequency! Use the same frequency generator to a 2 way power splitter. One…
Click below to view a schematic of Ted Cline’s Additive Interferometer. Andy http://astronomy.me.uk/wp-content/uploads/2024/01/Schematic-of-Ted-Clines-Additive-Interferometer-Nov-2023.pdf
Demonstrating the apparatus works, which I am glad to hear! The RMOB upload below (LRO data) shows clear increasing meteor detection count from Graves 143.050MHz USB over last 24 hours…
The two slides below show velocity and mass distribution of Milky Way from LRO data 30/12/2023. Andy
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