PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-09:42:40
G03     221.2          62.3                5.8 +/-    0.87       6.5 +/-    0.87  0.050 / 0.070
G07     253.6          12.4                3.9 +/-    2.54      10.3 +/-    2.54  0.050 / 0.090
G09     308.7          26.2                3.0 +/-    1.96       5.6 +/-    1.96  0.100 / 0.500
G14     105.6          11.1                3.1 +/-    1.94       8.5 +/-    1.94  0.120 / 0.560
G16     101.8          63.1                7.5 +/-    0.67       8.3 +/-    0.67  0.040 / 0.050
G22     189.5          45.7                5.0 +/-    1.52       6.6 +/-    1.52  0.030 / 0.060
G23     327.7          57.3                4.4 +/-    0.53       5.1 +/-    0.53  0.130 / 0.360
G26     56.3           44.6                4.2 +/-    1.10       5.6 +/-    1.10  0.120 / 0.390
G31     57.5           11.4                2.9 +/-    1.12       7.9 +/-    1.12  0.040 / 0.130