PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-02:42:50
G08     261.1          16.0               11.0 +/-    1.03      26.7 +/-    1.03  0.230 / 0.270
G10     70.7           55.9                8.3 +/-    0.90       9.8 +/-    0.90  0.200 / 0.340
G11     307.2          20.8                6.4 +/-    1.88      13.8 +/-    1.88  0.320 / 0.560
G14     277.6          67.9                9.2 +/-    1.19       9.8 +/-    1.19  0.340 / 0.620
G18     309.1          36.2                8.0 +/-    2.15      12.5 +/-    2.15  0.170 / 0.290
G20     74.8           62.5               25.1 +/-    1.04      27.9 +/-    1.04  0.230 / 0.320
G21     155.8          11.4               11.2 +/-    3.54      30.2 +/-    3.54  0.030 / 0.040
G27     228.2          12.5               11.9 +/-    1.03      31.3 +/-    1.03  0.030 / 0.050
G31     175.4          37.7               11.2 +/-    1.12      16.9 +/-    1.12  0.200 / 0.350
G32     0.3            70.4                7.5 +/-    0.46       7.9 +/-    0.46  0.330 / 0.340