PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-14:27:30
G02     39.1           50.4                6.8 +/-    1.34       8.6 +/-    1.34  0.030 / 0.030
G05     132.8          65.9                9.1 +/-    0.56       9.8 +/-    0.56  0.030 / 0.020
G06     56.1           14.6                4.5 +/-    1.73      11.4 +/-    1.73  0.020 / 0.030
G12     196.4          62.5                8.7 +/-    1.53       9.7 +/-    1.53  0.030 / 0.030
G20     199.7          30.9                8.1 +/-    1.32      13.8 +/-    1.32  0.090 / 0.120
G25     286.0          57.3                9.8 +/-    3.28      11.4 +/-    3.28  0.090 / 0.150
G29     314.5          37.6                6.3 +/-    1.12       9.6 +/-    1.12  0.030 / 0.040