PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-14:42:50
G01     106.4          25.0                9.3 +/-    1.07      18.1 +/-    1.07  0.030 / 0.050
G07     109.2          53.9                9.0 +/-    0.37      10.9 +/-    0.37  0.030 / 0.050
G08     42.1           22.2                6.3 +/-    1.29      13.2 +/-    1.29  0.040 / 0.060
G09     175.5          15.1               10.6 +/-    1.87      26.4 +/-    1.87  0.040 / 0.080
G11     88.6           43.5                9.1 +/-    0.56      12.6 +/-    0.56  0.040 / 0.080
G13     309.3          29.5                8.2 +/-    2.15      14.4 +/-    2.15  0.040 / 0.080
G17     205.4          35.5               10.3 +/-    1.60      16.2 +/-    1.60  0.080 / 0.130
G18     79.3           24.0                8.1 +/-    0.82      16.1 +/-    0.82  0.080 / 0.120
G28     306.4          58.5                8.5 +/-    0.68       9.8 +/-    0.68  0.050 / 0.100
G30     34.8           78.4                9.1 +/-    0.58       9.2 +/-    0.58  0.050 / 0.090