Hyperspectral Microwave Sounder Completes Environmental Testing

Spire Global Instrument Shipped to Vandenberg Space Force Base for Launch

Nov 26, 2025

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Environmental testing, calibration, and flight qualification has been completed on the Hyperspectral Microwave Sounder (HyMS) payload, and the sensor has been fully integrated into a Spire 16U satellite and shipped to Vandenberg Space Force Base to launch aboard SpaceX’s upcoming Falcon 9 Twilight mission.

“HyMS is built to sense faint microwave emission…

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