PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-02:58:10
G01     258.6          38.3                5.5 +/-    4.19       8.3 +/-    4.19  0.180 / 0.260
G03     316.4          35.6                2.8 +/-    1.23       4.4 +/-    1.23  0.230 / 0.300
G10     134.5          10.4                6.9 +/-    2.90      19.0 +/-    2.90  0.060 / 0.080
G11     241.0          16.4                5.0 +/-    1.14      12.0 +/-    1.14  0.050 / 0.090
G14     54.8           43.5                3.1 +/-    1.02       4.3 +/-    1.02  0.060 / 0.040
G22     310.9          59.4                2.0 +/-    1.78       2.3 +/-    1.78  0.050 / 0.040
G25     42.7           11.9                4.4 +/-    2.09      11.8 +/-    2.09  0.030 / 0.030
G26     145.7          30.9                7.2 +/-    1.13      12.5 +/-    1.13  0.020 / 0.030
G31     43.3           68.5                4.2 +/-    1.07       4.4 +/-    1.07  0.090 / 0.110
G32     70.2           29.7                1.5 +/-    2.47       2.6 +/-    2.47  0.150 / 0.130