PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-16:28:10
G02     209.0          45.3                8.9 +/-    0.56      12.0 +/-    0.56  0.070 / 0.060
G06     104.4          78.5                7.7 +/-    0.74       7.9 +/-    0.74  0.060 / 0.060
G12     315.3          29.6                7.3 +/-    2.52      12.8 +/-    2.52  0.080 / 0.100
G17     48.1           39.2                6.4 +/-    1.47       9.4 +/-    1.47  0.080 / 0.110
G19     18.0           59.3                7.5 +/-    0.86       8.5 +/-    0.86  0.030 / 0.030
G24     280.0          42.9                8.8 +/-    0.50      12.2 +/-    0.50  0.030 / 0.020
G28     113.7          22.6                7.7 +/-    1.30      16.0 +/-    1.30  0.040 / 0.040