PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/08-06:27:50
G01     107.8          25.0                6.5 +/-    1.68      12.8 +/-    1.68  0.030 / 0.040
G07     106.8          57.3                6.8 +/-    0.48       7.9 +/-    0.48  0.030 / 0.040
G08     41.6           18.6                2.6 +/-    2.37       5.9 +/-    2.37  0.090 / 0.160
G09     172.6          11.3                6.0 +/-    1.49      16.2 +/-    1.49  0.100 / 0.130
G11     87.7           42.4                7.7 +/-    0.79      10.8 +/-    0.79  0.080 / 0.160
G13     310.0          28.6                3.5 +/-    1.42       6.4 +/-    1.42  0.070 / 0.130
G17     204.5          39.5                8.0 +/-    0.74      11.8 +/-    0.74  0.230 / 0.370
G18     78.6           23.5                5.3 +/-    2.09      10.8 +/-    2.09  0.190 / 0.390
G28     313.1          60.3                5.5 +/-    0.62       6.2 +/-    0.62  0.090 / 0.150
G30     11.8           77.2                5.6 +/-    0.86       5.7 +/-    0.86  0.090 / 0.170