PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-19:57:40
G10     268.9          39.5               12.3 +/-    1.35      18.0 +/-    1.35  0.120 / 0.220
G13     41.1           16.8                8.8 +/-    1.31      21.0 +/-    1.31  0.120 / 0.210
G15     60.7           51.5               10.8 +/-    0.30      13.4 +/-    0.30  0.040 / 0.040
G16     277.1          11.7               10.0 +/-    1.81      27.0 +/-    1.81  0.040 / 0.050
G20     300.8          61.0               10.1 +/-    0.64      11.4 +/-    0.64  0.180 / 0.340
G21     8.7            73.0               12.7 +/-    0.86      13.2 +/-    0.86  0.130 / 0.400
G24     116.2          15.5               13.9 +/-    1.95      34.2 +/-    1.95  0.140 / 0.200
G27     318.5          19.0                9.5 +/-    1.19      21.4 +/-    1.19  0.120 / 0.170
G29     168.0          29.7               13.1 +/-    1.71      23.1 +/-    1.71  0.030 / 0.040
G32     204.3          11.3                3.9 +/-   44.85      10.6 +/-   44.85  0.030 / 0.050