Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
2025
01

Day	File Count
01	184
02	183
03	184
04	185
05	188
06	192
07	186
08	192
09	197
10	191
11	186
12	195
13	194
14	194
15	195
16	198
17	197
18	197
19	195
20	188
21	190
22	191
23	193
24	192
25	192
26	196
27	194
28	196
29	198
30	191
31	190

NASA Links

NASA Official: Stephen Berrick
Web Privacy Policy
Data and Information Policy
Communications Policy
Freedom of Information Act
USA.gov
Sitemap
V 20.4.1.37