I think that this question has been answered in the past within the “How Does a Radio Interferometer Work?”…
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How to Record Home Built Radio Telescope Measurements on a Computer
I think that the first part of your question has been answered before on the post which described how…

What Process Was Used to Image the Black Hole in M87?
The Jet Propulsion Laborabory (JPL) has provided a very nice and detailed description of the techniques used to image…

Can the Event Horizon Telescope Take Pictures of Objects Other Than a Black Hole?
The Event Horizon Telescope (EHT) uses a technique called Very Long Baseline Interferometry (VLBI) to make pictures at short…

Examples of “Standard” Radio Signal Logs
I believe that what you are looking for are examples of what some “standard” radio signals, at least those…

Simplified Block Diagram Showing How Radio Interferometer Images Are Formed?
I believe that this question has been answered previously at “How Does a Radio Interferometer Work?”. This answer includes…