PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-12:43:00
G02     334.2          80.4                2.5 +/-    0.43       2.5 +/-    0.43  0.090 / 0.090
G05     167.2          29.4                5.6 +/-    1.51       9.9 +/-    1.51  0.070 / 0.080
G06     40.0           46.7                0.8 +/-    1.12       1.0 +/-    1.12  0.090 / 0.140
G12     315.5          66.6                3.6 +/-    0.62       3.8 +/-    0.62  0.140 / 0.210
G17     84.7           11.6                3.2 +/-    1.69       8.7 +/-    1.69  0.110 / 0.100
G19     73.4           27.8                2.0 +/-    2.07       3.6 +/-    2.07  0.170 / 0.140
G24     232.3          25.3                3.7 +/-    1.51       7.2 +/-    1.51  0.020 / 0.030
G25     317.6          27.2                3.1 +/-    2.05       5.8 +/-    2.05  0.040 / 0.030
G29     286.1          11.5                0.2 +/-   15.73       0.6 +/-   15.73  0.090 / 0.130