PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/30-21:27:50
G08     262.0          16.8                9.3 +/-    0.94      22.1 +/-    0.94  0.030 / 0.050
G10     68.2           56.4                9.1 +/-    0.65      10.7 +/-    0.65  0.030 / 0.040
G11     308.2          20.2                7.3 +/-    2.49      15.9 +/-    2.49  0.330 / 0.570
G14     275.6          68.3                8.3 +/-    0.69       8.8 +/-    0.69  0.350 / 0.640
G18     309.4          36.6                8.5 +/-    1.19      13.2 +/-    1.19  0.160 / 0.170
G20     98.9           34.1                9.6 +/-    0.81      15.5 +/-    0.81  0.210 / 0.260
G21     155.0          10.8               12.7 +/-   10.73      34.8 +/-   10.73  0.100 / 0.350
G27     230.7          14.0                8.8 +/-    2.07      22.5 +/-    2.07  0.180 / 0.310
G31     178.5          33.1               10.6 +/-    1.87      17.4 +/-    1.87  0.130 / 0.230
G32     351.3          72.2                8.3 +/-    0.60       8.7 +/-    0.60  0.120 / 0.370