Ground-Based Global Navigation Satellite System (GNSS) GPS real-time POD Orbits (60-second sampling, 60-second files) from NASA CDDIS
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C2792594905-CDDIS.html
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资源简介：
This product contains a time series of position and velocity components for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma uncertainties for the positions and velocities are provided. The product is generated at JPL's Global Differential GPS Operations Centers in real-time. The data in this product can be concatenated with other daily products to provide larger coverage in time.
提供机构：
CDDIS
