PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-02:43:00
G08     267.4          16.5               10.3 +/-    1.51      24.8 +/-    1.51  0.150 / 0.510
G10     69.9           55.2                7.5 +/-    1.05       8.9 +/-    1.05  0.200 / 0.590
G11     309.2          18.9                5.7 +/-    2.58      12.9 +/-    2.58  0.050 / 0.050
G14     274.1          67.8                6.8 +/-    0.63       7.3 +/-    0.63  0.040 / 0.040
G18     310.0          35.9                6.4 +/-    0.91      10.0 +/-    0.91  0.170 / 0.350
G20     99.4           34.0                9.2 +/-    1.38      14.9 +/-    1.38  0.210 / 0.340
G21     155.9          12.4                7.4 +/-    2.02      19.6 +/-    2.02  0.130 / 0.310
G27     229.2          13.7               11.4 +/-    2.61      29.1 +/-    2.61  0.200 / 0.290
G31     176.2          35.6                9.1 +/-    1.87      14.3 +/-    1.87  0.070 / 0.100
G32     348.5          72.5                6.7 +/-    0.62       7.0 +/-    0.62  0.080 / 0.080