PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-17:12:30
G02     351.6          75.8                8.2 +/-    0.63       8.4 +/-    0.63  0.040 / 0.080
G05     162.2          39.2               11.0 +/-    1.06      16.1 +/-    1.06  0.040 / 0.080
G06     44.1           32.3                7.5 +/-    0.96      12.5 +/-    0.96  0.130 / 0.450
G12     278.5          81.6                7.5 +/-    0.86       7.6 +/-    0.86  0.140 / 0.380
G19     78.7           26.7                9.1 +/-    0.69      17.2 +/-    0.69  0.040 / 0.030
G24     221.9          17.8               10.0 +/-    2.79      23.3 +/-    2.79  0.030 / 0.030
G25     315.5          35.6                8.8 +/-    2.70      13.7 +/-    2.70  0.060 / 0.110
G29     290.0          11.2               10.0 +/-    2.51      27.1 +/-    2.51  0.050 / 0.100