PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-02:27:50
G01     307.2          34.4                6.8 +/-    2.19      10.9 +/-    2.19  0.080 / 0.110
G10     105.4          38.8                9.1 +/-    0.55      13.5 +/-    0.55  0.090 / 0.120
G11     283.6          27.1                8.4 +/-    0.78      15.7 +/-    0.78  0.050 / 0.050
G14     350.8          68.0                7.6 +/-    0.78       8.2 +/-    0.78  0.060 / 0.060
G18     277.6          50.3                8.9 +/-    0.83      11.2 +/-    0.83  0.080 / 0.220
G20     120.3          14.3                6.5 +/-    2.65      16.5 +/-    2.65  0.090 / 0.220
G22     309.6          24.1                6.6 +/-    1.25      13.2 +/-    1.25  0.060 / 0.070
G25     84.2           16.0                5.8 +/-    1.35      14.2 +/-    1.35  0.050 / 0.070
G31     163.6          65.0                7.8 +/-    0.39       8.6 +/-    0.39  0.070 / 0.030
G32     34.7           53.4                7.0 +/-    1.50       8.5 +/-    1.50  0.040 / 0.030