PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-08:12:50
G01     111.4          21.6                5.8 +/-    0.89      12.3 +/-    0.89  0.040 / 0.030
G07     97.1           61.3                6.9 +/-    0.66       7.7 +/-    0.66  0.030 / 0.030
G08     43.3           27.7                3.9 +/-    0.79       7.1 +/-    0.79  0.030 / 0.040
G09     175.1          18.9                7.4 +/-    1.74      16.7 +/-    1.74  0.030 / 0.040
G11     99.8           43.5                6.7 +/-    0.85       9.2 +/-    0.85  0.080 / 0.190
G13     313.5          25.7                3.9 +/-    2.72       7.5 +/-    2.72  0.070 / 0.210
G17     203.1          29.4                7.8 +/-    3.13      13.8 +/-    3.13  0.090 / 0.150
G18     86.5           23.0                3.9 +/-    0.86       8.1 +/-    0.86  0.080 / 0.180
G28     293.0          55.3                5.5 +/-    1.32       6.6 +/-    1.32  0.090 / 0.260
G30     354.2          73.0                6.3 +/-    0.59       6.5 +/-    0.59  0.070 / 0.220