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What is a Product Type?

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Each data product is of a single “Product Type”.  A product type identifies the type or category of a data product within a data set.  For example, raw observation data products usually have a product type of “Experimental Data Record” or EDR for short.  Other examples include “Reduced Data Record” (RDR for short), DOCUMENT, CALIBRATION, ANCILLARY, or VALIDATION_REPORT.