PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-00:58:10
G08     282.0          20.6                9.3 +/-    2.35      20.3 +/-    2.35  0.090 / 0.210
G10     44.6           60.4                9.8 +/-    0.88      11.1 +/-    0.88  0.100 / 0.220
G14     246.6          58.2               10.1 +/-    0.86      11.7 +/-    0.86  0.050 / 0.050
G18     316.3          24.0                8.0 +/-    1.49      16.0 +/-    1.49  0.040 / 0.070
G20     85.5           42.7                9.7 +/-    1.43      13.5 +/-    1.43  0.170 / 0.330
G21     153.2          25.8                9.8 +/-    1.51      18.8 +/-    1.51  0.130 / 0.340
G24     45.0           17.3                7.6 +/-    4.31      17.7 +/-    4.31  0.110 / 0.160
G27     239.8          22.9               11.6 +/-    2.43      23.8 +/-    2.43  0.170 / 0.180
G31     179.2          21.7               10.2 +/-    3.29      21.6 +/-    3.29  0.030 / 0.030
G32     295.8          76.2               10.2 +/-    0.35      10.5 +/-    0.35  0.030 / 0.030