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[i]The tapes showed up today in a single box. Each tape is shrink-wrapped; so far so good. Judging from the labels, I suspect that this is imaging photopolarimeter (IPP) data from Pioneer 10 or 11. Neither spacecraft had a real camera per se; images were constructed from the IPP data. University of Arizona optical science center was the force behind the design and test of the IPP. The IPP, to my understanding, operated a bit like the old mechanical Baird television system. The IPP had an aperture and was spun to create a "scan" pattern, digitized and returned as a bit stream of data. Since I've seen papers from 2014 using the original Pioneer IPP data to assess background radiation, I suspect the data is still very much around. As to how to interpret the data on the tapes, we'll have to see what we get.[/i]
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