Without leaking anything that's even remotely close to classified, WAMI (wide area multispectral imagery) sensor systems that can mount on even relatively medium sized group 3 UAV are really damn good these days. This is a pretty basic unit compared to the things that aren't publicly known:

https://www.logostech.net/products/redkite/

https://www.logostech.net/products/blackkite-i/

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jauntywundrkind an hour ago | parent [-]

This guy has been working on their own SAR drone for a while, just had another really nice blog post. Definitely looks like it weighs <10 lbs. He post-processes, but I doubt that's that hard to rework. https://hforsten.com/interferometric-synthetic-aperture-rada...

	▲	walrus01 40 minutes ago \| parent [-]
		It looks like a DIY implementation of some of the commercial land surveying SAR payloads that companies will sell you (for $60,000) to fly below a DJI M400 or similar size craft for tasks like monitoring open pit mines, etc. Also not realtime data return over RF data link, it's a download and post-process workflow.