PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-05:12:30
G07     344.7          62.1                4.4 +/-    0.72       4.9 +/-    0.72  0.080 / 0.100
G08     90.1           52.8                5.8 +/-    0.56       7.1 +/-    0.56  0.070 / 0.110
G09     180.7          65.5                6.9 +/-    0.51       7.5 +/-    0.51  0.030 / 0.020
G11     143.7          17.5                5.4 +/-    3.01      12.7 +/-    3.01  0.030 / 0.030
G23     157.2          35.0                6.8 +/-    0.82      10.8 +/-    0.82  0.080 / 0.170
G27     50.1           28.3                3.9 +/-    2.47       7.2 +/-    2.47  0.080 / 0.130
G28     239.5          26.9                5.9 +/-    1.79      11.1 +/-    1.79  0.040 / 0.030
G30     305.2          37.2                4.3 +/-    0.71       6.6 +/-    0.71  0.030 / 0.040