PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-17:42:50
G08     317.1          14.8                6.1 +/-    2.04      15.2 +/-    2.04  0.120 / 0.420
G10     312.0          56.2                8.3 +/-    1.80       9.8 +/-    1.80  0.170 / 0.390
G14     212.7          20.3               10.4 +/-    2.78      22.8 +/-    2.78  0.060 / 0.110
G15     45.7           22.1                6.8 +/-    2.53      14.2 +/-    2.53  0.070 / 0.090
G20     13.8           64.1                9.0 +/-    0.77       9.8 +/-    0.77  0.040 / 0.030
G21     119.8          65.3               11.4 +/-    1.19      12.4 +/-    1.19  0.040 / 0.040
G24     82.8           28.0                9.2 +/-    1.17      16.8 +/-    1.17  0.080 / 0.060
G27     292.3          36.0                9.2 +/-    1.81      14.4 +/-    1.81  0.060 / 0.080
G32     214.9          40.6               10.0 +/-    1.46      14.5 +/-    1.46  0.260 / 0.320