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                5.7 +/-    1.97       8.5 +/-    1.97  0.060 / 0.100
G03     316.4          35.6                1.0 +/-    1.13       1.6 +/-    1.13  0.050 / 0.110
G10     134.5          10.4                3.7 +/-    3.08      10.1 +/-    3.08  0.060 / 0.090
G11     241.0          16.4                3.7 +/-    2.15       8.8 +/-    2.15  0.050 / 0.130
G14     54.8           43.5                2.5 +/-    1.21       3.5 +/-    1.21  0.040 / 0.040
G22     310.9          59.4                1.9 +/-    0.53       2.2 +/-    0.53  0.040 / 0.040
G25     42.7           11.9                4.3 +/-    1.00      11.6 +/-    1.00  0.050 / 0.080
G26     145.7          30.9                6.1 +/-    1.78      10.5 +/-    1.78  0.080 / 0.090
G31     43.3           68.5                2.9 +/-    0.43       3.1 +/-    0.43  0.030 / 0.040
G32     70.2           29.7                3.4 +/-    0.88       6.0 +/-    0.88  0.030 / 0.030