Stratosyst is a start-up developing the High Altitude Pseudo-Satellite.
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"Stratosyst — Funding & Investors." VCBacked, April 1, 2024, https://www.vcbacked.co/company/stratosyst. Accessed June 8, 2026.
VCBacked. (2024). Stratosyst — Funding & Investors. Retrieved June 8, 2026, from https://www.vcbacked.co/company/stratosyst
{{cite web |title=Stratosyst — Funding & Investors |url=https://www.vcbacked.co/company/stratosyst |website=VCBacked |access-date=June 8, 2026}}Profile data sourced and verified per the VCBacked methodology. Last funding round dated .