PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-13:42:50
G07     335.2          59.2                6.4 +/-    0.51       7.3 +/-    0.51  0.120 / 0.300
G08     107.6          50.4                7.7 +/-    0.39       9.7 +/-    0.39  0.110 / 0.280
G09     206.1          78.8                6.7 +/-    0.29       6.8 +/-    0.29  0.300 / 0.490
G11     147.7          11.5                7.5 +/-    4.60      20.3 +/-    4.60  0.190 / 0.370
G16     45.5           11.4                6.0 +/-    1.50      16.3 +/-    1.50  0.030 / 0.050
G23     153.2          44.0                8.7 +/-    1.42      11.9 +/-    1.42  0.040 / 0.050
G27     60.5           34.3                7.4 +/-    1.19      11.8 +/-    1.19  0.060 / 0.070
G28     232.8          21.2                6.9 +/-    1.81      14.7 +/-    1.81  0.050 / 0.060
G30     300.7          35.7                6.2 +/-    0.92       9.7 +/-    0.92  0.050 / 0.070