PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-02:57:40
G08     319.1          12.5                7.4 +/-    2.13      19.7 +/-    2.13  0.050 / 0.080
G10     309.9          55.5               10.9 +/-    1.00      13.0 +/-    1.00  0.050 / 0.090
G14     213.0          16.7               14.8 +/-    1.18      35.3 +/-    1.18  0.130 / 0.250
G15     45.7           23.0                7.2 +/-    0.83      14.8 +/-    0.83  0.080 / 0.300
G20     342.7          64.3               12.0 +/-    0.46      13.1 +/-    0.46  0.090 / 0.110
G21     116.2          69.2               11.6 +/-    1.53      12.3 +/-    1.53  0.090 / 0.130
G24     87.3           28.7                9.8 +/-    0.81      17.6 +/-    0.81  0.030 / 0.060
G27     291.1          36.9               12.8 +/-    0.76      19.6 +/-    0.76  0.030 / 0.050
G32     214.2          41.9               15.1 +/-    1.30      21.4 +/-    1.30  0.040 / 0.040