PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-01:43:10
G02     65.6           27.6               11.4 +/-    1.30      21.0 +/-    1.30  0.130 / 0.130
G05     50.1           53.4               13.8 +/-    0.57      16.7 +/-    0.57  0.060 / 0.120
G12     182.8          24.5               19.3 +/-    1.46      38.2 +/-    1.46  0.140 / 0.270
G13     122.5          20.0               18.6 +/-    1.68      41.0 +/-    1.68  0.270 / 0.370
G15     160.2          17.7               21.5 +/-    3.21      50.2 +/-    3.21  0.030 / 0.030
G20     221.9          14.8               23.7 +/-    1.39      59.3 +/-    1.39  0.030 / 0.040
G21     276.9          21.1               16.4 +/-    2.24      35.1 +/-    2.24  0.090 / 0.090
G25     228.3          46.6               17.6 +/-    2.77      23.1 +/-    2.77  0.080 / 0.130
G29     332.2          60.6               15.2 +/-    0.53      17.2 +/-    0.53  0.130 / 0.290