PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-02:12:50
G08     263.1          17.1                8.9 +/-    0.86      20.9 +/-    0.86  0.150 / 0.200
G10     66.4           57.1                8.7 +/-    1.10      10.1 +/-    1.10  0.130 / 0.380
G11     309.0          19.5                6.1 +/-    0.87      13.6 +/-    0.87  0.110 / 0.300
G14     271.8          66.9                6.1 +/-    1.05       6.5 +/-    1.05  0.100 / 0.250
G18     310.7          34.3                6.6 +/-    1.38      10.7 +/-    1.38  0.120 / 0.190
G20     62.7           66.2                9.3 +/-    0.82      10.1 +/-    0.82  0.140 / 0.220
G21     155.5          13.8                6.8 +/-    2.59      17.4 +/-    2.59  0.040 / 0.050
G27     230.0          14.2                8.4 +/-    4.68      21.4 +/-    4.68  0.040 / 0.040
G31     176.0          35.0                8.9 +/-    1.00      14.1 +/-    1.00  0.110 / 0.140
G32     354.1          72.0                6.7 +/-    0.79       7.0 +/-    0.79  0.150 / 0.150