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Stratosonde Development Blog
Technical documentation and progress updates for the Stratosonde platform - an ultra-lightweight, solar-powered radiosonde for persistent stratospheric measurements.
About This Blog
This site documents the engineering challenges, design decisions, and testing results from developing a <15g atmospheric sensor capable of multi-day operation at stratospheric altitudes. Posts cover firmware architecture, power system optimization, thermal modeling, hardware testing, and flight results.
Current Focus: Platform validation through initial test flights to verify thermal models, power budgets, and trajectory predictions.
For complete project details and mission objectives, visit the Stratosonde landing page.
Posts
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Stratosonde Cascading Power Architecture: Engineering for Graceful Degradation at -60°C
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HTC1015 LTO Cell Temperature Characterization: Confronting Stratospheric Cold
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BQ25570 Bench Characterization: Validating Energy Harvesting for Ultra-Low Voltage Solar Cells
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Optimizing Solar Power Collection for StratoSonde
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Building Stratosonde v1: First PCBAs Arrive
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H3Lite: Enabling Autonomous LoRaWAN Region Detection for the Stratosonde
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Stratosonde Power Budget Calculator
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New Interactive Balloon Float Calculator
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Welcome to the Stratosonde Development Blog
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