PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-10:43:10
G07     347.7          62.7                4.9 +/-    0.68       5.4 +/-    0.68  0.090 / 0.090
G08     80.7           51.5                4.7 +/-    0.93       5.8 +/-    0.93  0.070 / 0.120
G09     179.6          61.7                6.9 +/-    0.46       7.8 +/-    0.46  0.030 / 0.030
G11     138.8          19.4                4.6 +/-    1.72      10.2 +/-    1.72  0.030 / 0.030
G23     158.3          32.7                5.5 +/-    1.57       9.1 +/-    1.57  0.050 / 0.080
G27     47.9           26.7                2.2 +/-    1.86       4.2 +/-    1.86  0.060 / 0.100
G28     244.8          36.1                6.9 +/-    2.14      10.6 +/-    2.14  0.110 / 0.160
G30     308.2          39.8                4.2 +/-    1.52       6.1 +/-    1.52  0.120 / 0.130