PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-04:43:10
G07     27.4           68.8                5.5 +/-    0.56       5.9 +/-    0.56  0.030 / 0.030
G08     58.0           44.5                5.7 +/-    0.87       7.8 +/-    0.87  0.020 / 0.030
G09     176.1          43.8                8.1 +/-    1.42      11.1 +/-    1.42  0.120 / 0.310
G11     126.3          29.7                8.9 +/-    1.46      15.7 +/-    1.46  0.250 / 0.240
G18     110.1          11.6                6.1 +/-    1.09      16.6 +/-    1.09  0.130 / 0.190
G23     161.2          19.0                5.1 +/-    1.15      11.4 +/-    1.15  0.120 / 0.190
G27     40.3           17.1                2.7 +/-    2.39       6.4 +/-    2.39  0.130 / 0.210
G28     260.4          45.5                7.5 +/-    2.55      10.0 +/-    2.55  0.130 / 0.250
G30     320.8          51.1                4.9 +/-    0.66       6.1 +/-    0.66  0.060 / 0.060