PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-00:12:40
G07     41.4           69.7                7.8 +/-    0.75       8.2 +/-    0.75  0.080 / 0.110
G08     54.5           43.8                7.0 +/-    0.70       9.6 +/-    0.70  0.140 / 0.120
G09     179.5          40.8               10.4 +/-    0.88      14.9 +/-    0.88  0.040 / 0.070
G11     124.6          32.5                7.7 +/-    0.80      12.8 +/-    0.80  0.040 / 0.070
G17     200.1          10.7               -6.2 +/-   12.84     -17.0 +/-   12.84  0.280 / 0.260
G23     160.2          10.0                7.7 +/-    2.81      21.5 +/-    2.81  0.160 / 0.360
G28     271.9          51.6                9.0 +/-    3.22      11.1 +/-    3.22  0.100 / 0.390
G30     335.0          61.1                5.7 +/-    0.55       6.4 +/-    0.55  0.020 / 0.030