Satellite data provider Spire Global, Inc., received a 12-month contract extension from NASA to continue its participation in the agency’s Commercial SmallSat Data Acquisition (CSDA) program. Under the extension, Spire will continue its delivery of a comprehensive catalog of data, associated metadata, and ancillary information from its Earth-orbiting small-satellite constellation, including 12 months of radio occultation data with a 30-day latency.
These data will be available for scientific purposes at no cost to all U.S. federal agencies, NASA-funded researchers, and, more broadly, all U.S. government-funded researchers. Spire data will be archived by NASA and available through CSDA’s SmallSat Data Explorer (SDX) tool.
Data products in the subscription data-buy with Spire include data related to:
- Surface observation: Spire's Global Navigation Satellite System (GNSS) Grazing Area Reflectometry (GNSS-R) data can be used to measure sea ice extent, sea ice classification and altimetry, soil moisture, and ocean surface wind speed.
- Atmospheric assessment: Spire's GNSS Radio Occultation (GNSS-RO) soundings can be used in weather forecast models to improve the accuracy of global weather forecasting.
- Space weather: Measurements of electron density and scintillation allow researchers to monitor the ionosphere as well as prepare for and react to space weather events.
- Domain awareness: Satellite state vector, altitude, and precise orbit determination (POD) enable the correction of errors in orbital drag models.