PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-18:58:00
G02     28.7           58.8                8.2 +/-    0.53       9.4 +/-    0.53  0.030 / 0.030
G05     142.8          60.6               11.4 +/-    0.89      12.9 +/-    0.89  0.030 / 0.040
G06     53.5           15.1                7.3 +/-    2.24      18.1 +/-    2.24  0.040 / 0.040
G12     191.0          66.5                7.4 +/-    1.19       8.0 +/-    1.19  0.050 / 0.040
G19     97.5           13.6                9.2 +/-    0.84      23.6 +/-    0.84  0.150 / 0.350
G25     298.5          53.2                8.1 +/-    0.92       9.9 +/-    0.92  0.130 / 0.390
G29     305.5          25.5                8.1 +/-    2.31      15.6 +/-    2.31  0.040 / 0.060