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Weather Stream releases first light imagery from GEMS2 microwave radiometer

spacenews.com·Jun 25, 2026

Weather Stream's GEMS2-Amethyst satellite, launched in March 2023, is now providing global atmospheric observations using a commercial microwave radiometer to enhance weather forecasting and data collection. The satellite is expected to improve decision-making in various sectors, including military operations and insurance, and aims to establish a commercial weather data constellation for more frequent data gathering.

The most valuable insight for someone interested in space tech is that Weather Stream's GEMS2-Amethyst satellite, equipped with a commercial microwave radiometer, is enhancing global atmospheric observations, which could significantly impact numerical weather models. The recent NOAA contracts awarded to Weather Stream's subsidiary and Tomorrow.io to assess the quality and impact of microwave sounder data underscore potential opportunities for sustained commercial data purchases, suggesting a growing market in commercial weather data services.

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