Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) IRNSS Broadcast Ephemeris Data (daily files) from NASA CDDIS
temporal

Year	File Count
2018	73
2019	26035
2020	54772
2021	128740
2022	204133
2023	213759
2024	191603
2025	195075
2026	67215

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NASA Official: Doug Newman
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