Weather Satellite

Weather forecasters are always hungry for more data. Over the last few years, they've learned that signals from GPS and rival constellations can tell them interesting things about the atmosphere. The question is whether cubesats and other smallsats can gather these radio occultation readings accurately enough. Debra Werner takes the measure of a congressionally directed pilot project that could provide the answer.

The U.S. Air Force is in the midst of upending its decades-old approach of gathering life-and-death weather data for commanders and troops with limousine-sized satellites. Smaller is in for this next generation, and privately operated constellations could play a prominent role too. Debra Werner went looking for what could come after the Defense Meteorological Satellite Program.

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