PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-17:58:00
G10     258.1          31.8                8.7 +/-    1.29      14.7 +/-    1.29  0.090 / 0.240
G13     47.6           25.9                8.1 +/-    1.81      15.6 +/-    1.81  0.080 / 0.230
G15     69.6           53.5                9.3 +/-    0.56      11.3 +/-    0.56  0.040 / 0.040
G16     293.6          12.6                7.1 +/-    1.98      18.8 +/-    1.98  0.040 / 0.040
G18     285.3          61.8                8.3 +/-    1.19       9.3 +/-    1.19  0.060 / 0.050
G20     47.7           42.8                8.2 +/-    1.25      11.5 +/-    1.25  0.050 / 0.060
G21     353.7          68.4                8.7 +/-    0.55       9.3 +/-    0.55  0.230 / 0.380
G26     264.0          11.8                8.0 +/-    5.33      21.6 +/-    5.33  0.210 / 0.360
G27     321.1          13.3                6.9 +/-    2.94      17.9 +/-    2.94  0.100 / 0.340
G29     164.1          34.6               10.5 +/-    1.15      16.8 +/-    1.15  0.110 / 0.290