PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-02:28:10
G01     315.6          24.6                3.7 +/-    4.10       7.2 +/-    4.10  0.130 / 0.340
G10     91.8           48.0                3.4 +/-    0.56       4.3 +/-    0.56  0.120 / 0.350
G11     294.0          26.8                3.2 +/-    1.07       6.1 +/-    1.07  0.090 / 0.190
G14     321.2          70.8                4.6 +/-    0.83       4.9 +/-    0.83  0.080 / 0.180
G18     295.2          45.9                4.7 +/-    0.83       6.2 +/-    0.83  0.050 / 0.050
G20     93.2           60.0                2.3 +/-    1.96       2.7 +/-    1.96  0.040 / 0.050
G22     304.5          15.2                2.4 +/-    3.93       5.8 +/-    3.93  0.110 / 0.170
G25     92.9           11.9               -2.4 +/-   19.70      -6.4 +/-   19.70  0.090 / 0.160
G31     170.9          53.2                4.2 +/-    1.34       5.1 +/-    1.34  0.120 / 0.370
G32     24.3           60.0                2.9 +/-    0.54       3.3 +/-    0.54  0.130 / 0.300