PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-03:28:10
G01     319.5          16.6                5.7 +/-    2.16      13.6 +/-    2.16  0.230 / 0.320
G08     257.8          14.0                8.2 +/-    3.84      20.9 +/-    3.84  0.200 / 0.290
G10     77.5           53.9                7.2 +/-    0.62       8.7 +/-    0.62  0.040 / 0.040
G11     303.9          22.8                6.8 +/-    1.18      13.9 +/-    1.18  0.030 / 0.040
G14     288.3          69.3                6.9 +/-    0.40       7.4 +/-    0.40  0.080 / 0.180
G18     306.0          39.3                6.2 +/-    1.36       9.1 +/-    1.36  0.090 / 0.190
G20     88.6           55.6                8.5 +/-    0.77      10.1 +/-    0.77  0.120 / 0.330
G31     174.3          42.2                8.3 +/-    0.96      11.6 +/-    0.96  0.120 / 0.330
G32     9.0            67.4                5.8 +/-    0.63       6.3 +/-    0.63  0.090 / 0.090