PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/13-00:57:30
G01     299.2          37.5                7.5 +/-    0.93      11.4 +/-    0.93  0.040 / 0.080
G10     113.5          35.1                8.5 +/-    0.72      13.4 +/-    0.72  0.040 / 0.080
G11     271.8          28.4                7.7 +/-    1.51      13.9 +/-    1.51  0.080 / 0.130
G14     15.1           62.1                5.9 +/-    0.71       6.5 +/-    0.71  0.050 / 0.110
G22     311.9          31.3                8.0 +/-    1.81      13.7 +/-    1.81  0.030 / 0.040
G25     72.1           17.8                6.8 +/-    0.95      15.7 +/-    0.95  0.040 / 0.040
G31     166.4          70.9                8.3 +/-    1.08       8.8 +/-    1.08  0.060 / 0.090
G32     41.1           49.5                5.2 +/-    0.84       6.6 +/-    0.84  0.050 / 0.090