PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-19:58:00
G08     276.4          22.2                9.0 +/-    1.21      18.7 +/-    1.21  0.150 / 0.160
G10     39.6           61.5                8.9 +/-    0.67      10.0 +/-    0.67  0.100 / 0.170
G14     246.0          58.8               10.6 +/-    1.02      12.2 +/-    1.02  0.060 / 0.050
G18     316.1          24.2                7.7 +/-    1.65      15.4 +/-    1.65  0.050 / 0.050
G20     83.5           43.8                9.9 +/-    1.43      13.6 +/-    1.43  0.290 / 0.260
G21     151.8          24.6                9.5 +/-    2.49      18.7 +/-    2.49  0.310 / 0.300
G24     43.1           14.6                8.3 +/-    2.98      20.8 +/-    2.98  0.300 / 0.370
G27     242.7          23.7               10.9 +/-    1.20      21.9 +/-    1.20  0.310 / 0.390
G31     181.8          17.7               10.1 +/-    1.58      23.6 +/-    1.58  0.130 / 0.170
G32     290.8          75.9               10.0 +/-    0.40      10.3 +/-    0.40  0.100 / 0.210