SearchreSearch hat ein Spreadsheet mit kostenlosen guten Satellitenbilder-Quellen erstellt (via SearchReSearch):
«There are many different mapping products with widely varying capabilities. It’s complicated by the fact that single companies sometimes offer multiple products, using some combination of their own images, their own analytics, and data from multiple other satellites giving multiple kinds of images (different analyses and different sensing bands).
If you’re a researcher, this an exciting time–so much opportunity!»
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