PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-03:13:00
G03     190.3          18.4                7.3 +/-    0.80      16.8 +/-    0.80  0.180 / 0.300
G07     295.1          41.1                7.1 +/-    3.37      10.2 +/-    3.37  0.220 / 0.330
G08     138.9          31.0                7.4 +/-    1.11      12.7 +/-    1.11  0.070 / 0.110
G09     320.5          70.2                5.1 +/-    1.49       5.3 +/-    1.49  0.090 / 0.110
G16     42.4           32.8                3.1 +/-    1.08       5.0 +/-    1.08  0.040 / 0.030
G23     127.6          75.3                3.7 +/-    0.72       3.9 +/-    0.72  0.030 / 0.020
G27     94.7           34.9                6.6 +/-    0.52      10.4 +/-    0.52  0.120 / 0.210
G30     276.1          13.0                5.9 +/-    5.41      15.5 +/-    5.41  0.150 / 0.190