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Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily antenna phase centers (24-hour files) from NASA CDDIS

This product ontains antenna phase center locations relative to the GPS satellite's center of mass. The product is generated at JPL's Global Differential GPS Operations Centers.

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Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily antenna phase centers (24-hour files) from NASA CDDIS

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