PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-21:42:40
G10     258.5          32.9                9.4 +/-    1.48      15.5 +/-    1.48  0.170 / 0.290
G13     46.5           24.2                7.2 +/-    1.26      14.4 +/-    1.26  0.140 / 0.280
G15     75.6           57.4                6.7 +/-    0.57       7.8 +/-    0.57  0.040 / 0.050
G16     285.1          14.8                7.5 +/-    2.00      18.8 +/-    2.00  0.040 / 0.040
G20     258.3          17.5                5.3 +/-    1.04      12.5 +/-    1.04  0.130 / 0.420
G21     343.8          65.5                5.5 +/-    0.91       6.0 +/-    0.91  0.110 / 0.360
G26     258.2          11.8               11.1 +/-    1.87      29.8 +/-    1.87  0.060 / 0.200
G27     321.7          11.8               -0.1 +/-   32.46      -0.3 +/-   32.46  0.070 / 0.190
G29     167.2          41.5               10.1 +/-    0.91      14.3 +/-    0.91  0.020 / 0.050