PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-07:57:50
G01     112.5          20.9                5.3 +/-    3.18      11.5 +/-    3.18  0.030 / 0.030
G07     94.7           62.2                7.4 +/-    1.11       8.2 +/-    1.11  0.040 / 0.030
G08     43.6           28.6                4.5 +/-    1.78       8.1 +/-    1.78  0.100 / 0.180
G09     175.2          20.0                5.0 +/-    1.96      11.0 +/-    1.96  0.080 / 0.210
G11     101.7          43.2                5.3 +/-    1.04       7.3 +/-    1.04  0.080 / 0.150
G13     314.2          24.8                4.3 +/-    1.73       8.5 +/-    1.73  0.110 / 0.160
G17     202.7          28.3                5.9 +/-    2.17      10.7 +/-    2.17  0.160 / 0.210
G18     87.8           22.7                3.0 +/-    1.28       6.2 +/-    1.28  0.160 / 0.220
G28     290.9          54.7                5.0 +/-    2.47       6.0 +/-    2.47  0.040 / 0.030
G30     351.2          71.9                5.9 +/-    0.71       6.1 +/-    0.71  0.040 / 0.030