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As part of the US National Space Weather Strategy and Action Plan, and following the 2016 Executive Order 13744, the Department of Defense (DoD) is now opening a more than 15-year record of GPS particle data to scientific scrutiny.
Accounting for the number of spacecraft with particle detectors onboard, this means a release of over 160 satellite-years of data! These data can be now combined with other available data over these years on solar output and activity, magnetic data in geospace, other particle data, cosmogenic records on Earth, and more to provide important new understanding of geophysical processes related to the solar-earth environment and trends over time.
Delores Knipp's editors' Vox post “Global Positioning System Sparks New Data Revolution” has been published on Eos.org.