Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2021

Month	File Count
01	16443
02	5978
03	18645
04	7030
05	7943
06	20588
07	20499
08	17572
09	19241
10	20838
11	20642
12	20223

NASA Links

NASA Official: Doug Newman
Web Privacy Policy
Data and Information Policy
Communications Policy
Freedom of Information Act
USA.gov
Sitemap
V 20.4.1.49