Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) Compact Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
2026
02

Day	File Count
01	621
02	621
03	619
04	609
05	631
06	619
07	626
08	620
09	625
10	43
11	83
12	1178
13	634
14	626
15	624
16	616
17	619
18	615
19	605
20	81
21	667
22	1164
23	631
24	636
25	635
26	635
27	634
28	636

NASA Links

NASA Official: Doug Newman
Web Privacy Policy
Data and Information Policy
Communications Policy
Freedom of Information Act
USA.gov
Sitemap
V 20.4.1.59