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Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
2019
04
Day
File Count
01
491
02
505
03
502
04
499
05
498
06
493
07
493
08
498
09
523
10
506
11
505
12
503
13
515
14
513
15
515
16
528
17
520
18
514
19
527
20
495
21
454
22
496
23
494
24
475
25
456
26
338
27
66
28
228
29
516
30
489