PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/30-03:42:30
G08     319.4          12.1                5.5 +/-    5.62      14.6 +/-    5.62  0.030 / 0.040
G10     309.8          55.5                5.3 +/-    0.66       6.3 +/-    0.66  0.030 / 0.040
G14     213.1          16.3                9.3 +/-    2.48      22.4 +/-    2.48  0.060 / 0.080
G15     45.7           22.6                3.6 +/-    0.53       7.4 +/-    0.53  0.050 / 0.080
G20     358.9          65.1                6.1 +/-    0.46       6.6 +/-    0.46  0.110 / 0.240
G21     116.2          69.2                6.4 +/-    1.31       6.8 +/-    1.31  0.100 / 0.300
G24     87.5           28.8                5.5 +/-    0.56       9.9 +/-    0.56  0.120 / 0.340
G27     291.0          36.9                7.1 +/-    0.70      10.9 +/-    0.70  0.150 / 0.350
G32     214.2          41.9                7.3 +/-    1.48      10.3 +/-    1.48  0.090 / 0.120