PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-12:27:50
G01     118.4          18.4                5.1 +/-    1.54      11.7 +/-    1.54  0.030 / 0.030
G07     82.8           66.1                5.2 +/-    0.29       5.7 +/-    0.29  0.030 / 0.040
G08     44.2           29.4                2.7 +/-    0.77       4.9 +/-    0.77  0.130 / 0.280
G09     175.4          23.2                4.8 +/-    2.98       9.9 +/-    2.98  0.150 / 0.250
G11     104.4          40.2                5.5 +/-    0.57       8.0 +/-    0.57  0.040 / 0.080
G13     317.2          20.3                2.5 +/-    3.15       5.5 +/-    3.15  0.050 / 0.080
G17     201.5          26.2                3.5 +/-    1.95       6.6 +/-    1.95  0.030 / 0.040
G18     92.9           21.1                5.2 +/-    0.96      11.1 +/-    0.96  0.020 / 0.050
G28     293.8          57.6                4.9 +/-    0.96       5.7 +/-    0.96  0.160 / 0.410
G30     345.1          68.4                3.0 +/-    0.93       3.2 +/-    0.93  0.090 / 0.450