PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-09:42:40
G01     98.8           29.2                6.9 +/-    1.12      12.2 +/-    1.12  0.040 / 0.040
G07     118.0          51.1                7.9 +/-    0.36       9.9 +/-    0.36  0.040 / 0.040
G08     41.6           11.8                3.2 +/-    2.19       8.5 +/-    2.19  0.030 / 0.020
G11     76.4           41.6                5.7 +/-    1.26       8.1 +/-    1.26  0.030 / 0.020
G13     302.4          33.4                2.5 +/-    1.59       4.1 +/-    1.59  0.110 / 0.100
G17     208.9          47.8                7.7 +/-    0.68      10.0 +/-    0.68  0.100 / 0.110
G18     70.1           24.1                5.4 +/-    0.97      10.7 +/-    0.97  0.080 / 0.110
G19     212.0          16.3                5.4 +/-    2.15      13.0 +/-    2.15  0.070 / 0.110
G28     331.7          61.7                5.0 +/-    0.53       5.6 +/-    0.53  0.090 / 0.150
G30     58.6           80.5                7.0 +/-    0.86       7.1 +/-    0.86  0.060 / 0.150