PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-02:12:50
G01     320.3          14.2              -19.0 +/-   18.17     -48.0 +/-   18.17  0.160 / 0.340
G08     259.6          15.4                8.3 +/-    1.95      20.4 +/-    1.95  0.150 / 0.300
G10     72.8           55.3                8.3 +/-    0.53       9.9 +/-    0.53  0.170 / 0.290
G11     306.1          21.6                6.1 +/-    2.06      12.9 +/-    2.06  0.200 / 0.350
G14     281.5          68.7                6.2 +/-    1.17       6.6 +/-    1.17  0.100 / 0.260
G18     308.2          37.2                6.3 +/-    1.95       9.6 +/-    1.95  0.030 / 0.050
G20     69.4           65.6               25.4 +/-    1.10      27.6 +/-    1.10  0.030 / 0.050
G27     227.3          11.7                9.5 +/-    1.75      25.4 +/-    1.75  0.180 / 0.260
G31     175.1          39.0                9.8 +/-    0.70      14.4 +/-    0.70  0.180 / 0.260
G32     3.1            69.5                6.1 +/-    0.42       6.5 +/-    0.42  0.090 / 0.080