PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-18:57:40
G02     9.9            70.2                7.1 +/-    0.62       7.5 +/-    0.62  0.040 / 0.050
G05     157.7          46.4               10.8 +/-    0.82      14.3 +/-    0.82  0.040 / 0.070
G06     46.5           26.8                5.6 +/-    2.13      10.6 +/-    2.13  0.130 / 0.320
G12     232.4          80.9                7.1 +/-    0.45       7.2 +/-    0.45  0.110 / 0.440
G19     85.1           22.3                7.8 +/-    2.41      16.2 +/-    2.41  0.020 / 0.020
G24     217.6          13.2               10.4 +/-    1.81      27.0 +/-    1.81  0.030 / 0.020
G25     312.6          41.3                7.2 +/-    1.06      10.3 +/-    1.06  0.070 / 0.080
G29     295.1          15.6                8.6 +/-    1.47      21.2 +/-    1.47  0.060 / 0.100