PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/24-02:28:10
G02     28.4           59.6                7.7 +/-    0.41       8.7 +/-    0.41  0.020 / 0.030
G05     145.8          56.9               10.9 +/-    0.68      12.7 +/-    0.68  0.030 / 0.040
G06     50.4           20.8                3.4 +/-    2.05       7.2 +/-    2.05  0.040 / 0.050
G12     212.8          74.7               10.1 +/-    1.17      10.5 +/-    1.17  0.030 / 0.050
G19     94.5           14.6                7.7 +/-    1.05      19.4 +/-    1.05  0.040 / 0.040
G25     305.9          47.9                9.7 +/-    0.86      12.6 +/-    0.86  0.040 / 0.050
G29     302.5          22.8                6.0 +/-    0.98      12.3 +/-    0.98  0.060 / 0.080