Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) International Terrestrial Reference Frame (ITRF) 2020 products (IGS20) from NASA CDDIS
temporal

Year	File Count
1996	9
2000	2
2022	84
2023	76771
2024	140137
2025	156208
2026	17584

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NASA Official: Doug Newman
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