Trying to work out why my 1420MHz AD8302-based radio interferometer does not work
Unfortunately, I still can’t get my 1420MHz interferometer to work. Have received 2 excellent pieces of advice from Jan Lustrip
Read moreAstronomy observatory in Staffordshire, England.
Astronomy observatory in Staffordshire, England.
Unfortunately, I still can’t get my 1420MHz interferometer to work. Have received 2 excellent pieces of advice from Jan Lustrip
Read moreClick on link to read results of tests I conducted this evening that show that my Interferometer Computer Box 1-2m
Read moreAD8302-based interferometer uses 2 x Nooelec 1.4GHz mesh 60cm x 100cm dishes and 3 x Nooelec SAWBird H1 LNAs on
Read moreI used bananas as source of radiation to test detection of radiation by pair of UKRAA Cosmicwatch coincidence detectors –
Read moreJan kindly tested his AD8302 board to see what voltages he gets – and I have similarly tested mine today.
Read morePhoto of the 2 muon detectors at LRO – they are made by UKRAA and used in coincidence mode (master/slave
Read moreData from 21-22/1/2024 @ LRO – 5m distance between 2 x Nooelec 1.4GHz 60x100cm mesh aerials
Read moreInterferometers need hardware bias tees for SAWBird H+ 1420MHz filters with cascaded amplifiers, (which they also need as AD8302 chip
Read moreCorrespondence with Jan Lustrup: Hi Andy…. You want to test changes of phase between the ports, not frequency! Use the
Read moreClick 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
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