PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-05:57:40
G01     114.4          19.4                5.5 +/-    2.42      12.4 +/-    2.42  0.030 / 0.030
G07     88.7           64.3                6.1 +/-    0.90       6.7 +/-    0.90  0.030 / 0.030
G08     44.0           29.4                4.5 +/-    1.38       7.9 +/-    1.38  0.060 / 0.110
G09     174.7          21.3                7.1 +/-    3.32      15.1 +/-    3.32  0.080 / 0.090
G11     106.1          42.6                7.5 +/-    0.92      10.5 +/-    0.92  0.070 / 0.060
G13     315.6          23.1                3.8 +/-    1.33       7.9 +/-    1.33  0.090 / 0.090
G17     201.7          26.8                6.7 +/-    1.46      12.7 +/-    1.46  0.160 / 0.260
G28     286.3          53.3                5.6 +/-    2.83       6.8 +/-    2.83  0.170 / 0.240
G30     344.5          69.2                5.3 +/-    0.54       5.6 +/-    0.54  0.030 / 0.030