PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-07:27:40
G01     124.0          12.5                5.7 +/-    2.35      15.0 +/-    2.35  0.030 / 0.040
G07     61.8           68.5                6.2 +/-    0.48       6.6 +/-    0.48  0.030 / 0.040
G08     50.3           40.0                5.1 +/-    1.13       7.4 +/-    1.13  0.020 / 0.030
G09     176.7          33.5                7.0 +/-    1.28      11.5 +/-    1.28  0.030 / 0.040
G11     118.6          37.2                6.0 +/-    1.36       9.1 +/-    1.36  0.100 / 0.350
G13     320.2          14.2                1.2 +/-    3.63       3.1 +/-    3.63  0.130 / 0.330
G17     200.0          14.8                2.9 +/-    3.24       7.3 +/-    3.24  0.090 / 0.360
G18     101.5          17.5                4.3 +/-    0.88      10.1 +/-    0.88  0.120 / 0.430
G28     270.7          47.9                6.2 +/-    0.96       8.0 +/-    0.96  0.110 / 0.410
G30     331.7          60.4                4.3 +/-    0.62       4.9 +/-    0.62  0.090 / 0.370