PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-05:12:30
G02     210.2          55.3                7.9 +/-    0.51       9.3 +/-    0.51  0.090 / 0.210
G06     100.5          80.8                6.1 +/-    0.54       6.2 +/-    0.54  0.100 / 0.220
G12     315.8          28.4                3.2 +/-    1.15       5.8 +/-    1.15  0.020 / 0.020
G17     51.1           37.7                3.8 +/-    1.25       5.8 +/-    1.25  0.030 / 0.020
G19     31.7           53.3                4.4 +/-    0.53       5.3 +/-    0.53  0.080 / 0.130
G24     276.2          42.1                3.8 +/-    2.03       5.3 +/-    2.03  0.080 / 0.080
G28     118.1          18.1                4.4 +/-    1.25      10.0 +/-    1.25  0.060 / 0.050