PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-19:27:40
G07     332.4          58.3               13.3 +/-    0.85      15.4 +/-    0.85  0.030 / 0.040
G08     105.4          49.7               14.9 +/-    0.39      18.8 +/-    0.39  0.030 / 0.040
G09     208.0          79.6               15.2 +/-    0.37      15.4 +/-    0.37  0.180 / 0.270
G11     147.8          10.7                9.1 +/-   28.92      24.9 +/-   28.92  0.130 / 0.270
G23     153.9          48.8               15.8 +/-    0.68      20.2 +/-    0.68  0.070 / 0.080
G27     62.9           35.6               13.0 +/-    1.42      20.4 +/-    1.42  0.080 / 0.050
G28     232.2          21.5               15.7 +/-    2.42      33.3 +/-    2.42  0.210 / 0.630
G30     297.8          31.9               13.2 +/-    1.48      22.2 +/-    1.48  0.240 / 0.600