Would have been interesting to hear the debrief.  I wonder if they decided a fixed-fixed wing alternative provided more flexibility in coverage than the "mostly" unguided floating vehicle.

https://medium.com/loon-for-all/hapsmobile-loon-first-in-the-world-to-deliver-lte-from-a-fixed-wing-stratospheric-aircraft-114bf4f041ad?source=collection_home---4------3-----------------------

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Chuck / KG5CA
StratoCasters