PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-05:42:40
G01     223.5          15.7                5.7 +/-    4.79      14.0 +/-    4.79  0.040 / 0.040
G03     283.5          68.8                5.0 +/-    0.47       5.3 +/-    0.47  0.050 / 0.040
G14     87.0           24.3                4.8 +/-    1.21       9.6 +/-    1.21  0.350 / 0.300
G16     143.7          46.4                4.9 +/-    1.57       6.5 +/-    1.57  0.360 / 0.300
G22     215.9          69.3                5.5 +/-    1.03       5.8 +/-    1.03  0.100 / 0.210
G23     310.7          41.6                4.6 +/-    1.56       6.6 +/-    1.56  0.110 / 0.170
G26     93.9           54.2                5.2 +/-    0.94       6.3 +/-    0.94  0.040 / 0.070
G31     46.6           29.2                2.7 +/-    2.01       4.8 +/-    2.01  0.040 / 0.070