1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2009
  4. 02
DayFile Count
01395
02404
03394
04404
05396
06394
07391
08392
09401
10394
11390
12394
13396
14386
15393
16395
17399
18400
19397
20399
21391
22397
23411
24400
25405
26402
27403
28403