PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-08:42:40
G01     124.3          13.8                6.4 +/-    1.68      16.3 +/-    1.68  0.030 / 0.030
G07     65.3           68.4                6.3 +/-    0.50       6.8 +/-    0.50  0.030 / 0.030
G08     47.2           34.9                4.5 +/-    0.93       7.2 +/-    0.93  0.040 / 0.030
G09     173.9          27.6                7.3 +/-    1.90      13.4 +/-    1.90  0.040 / 0.030
G11     112.8          37.4                8.8 +/-    0.56      13.4 +/-    0.56  0.210 / 0.260
G13     320.0          14.8                2.8 +/-    2.05       7.0 +/-    2.05  0.150 / 0.230
G17     199.7          19.8                5.2 +/-    1.88      11.4 +/-    1.88  0.120 / 0.410
G18     99.0           18.2                6.3 +/-    1.09      14.6 +/-    1.09  0.120 / 0.360
G28     280.4          53.9                4.7 +/-    2.59       5.6 +/-    2.59  0.110 / 0.240
G30     334.6          62.1                4.9 +/-    0.47       5.5 +/-    0.47  0.100 / 0.190