PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-20:57:40
G02     70.2           25.3                8.2 +/-    0.96      16.0 +/-    0.96  0.030 / 0.060
G05     46.5           48.0                7.9 +/-    0.99      10.2 +/-    0.99  0.030 / 0.060
G12     179.1          15.0               14.0 +/-    2.75      34.9 +/-    2.75  0.130 / 0.250
G13     115.5          24.7               10.2 +/-    1.25      20.1 +/-    1.25  0.110 / 0.220
G15     158.6          22.6               14.2 +/-    1.18      29.2 +/-    1.18  0.120 / 0.300
G21     282.8          25.2               13.5 +/-    2.12      26.3 +/-    2.12  0.160 / 0.350
G25     219.2          39.8               12.4 +/-    1.31      18.1 +/-    1.31  0.070 / 0.110
G26     317.1          12.6                9.7 +/-    2.91      25.5 +/-    2.91  0.060 / 0.110
G29     336.8          67.7                9.2 +/-    0.91       9.9 +/-    0.91  0.070 / 0.190