PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-07:58:10
G07     305.7          46.0                3.9 +/-    1.06       5.2 +/-    1.06  0.030 / 0.030
G08     125.4          40.4                7.9 +/-    1.11      11.3 +/-    1.11  0.030 / 0.030
G09     301.9          81.5                4.5 +/-    0.75       4.5 +/-    0.75  0.230 / 0.530
G16     42.0           22.5                2.0 +/-    1.54       4.2 +/-    1.54  0.230 / 0.440
G23     143.7          66.8                6.3 +/-    0.77       6.8 +/-    0.77  0.030 / 0.060
G27     81.5           37.3                4.3 +/-    0.42       6.5 +/-    0.42  0.040 / 0.060
G28     223.3          11.1               -4.6 +/-   15.04     -12.6 +/-   15.04  0.040 / 0.070
G30     284.0          19.5                4.3 +/-    1.91       9.6 +/-    1.91  0.040 / 0.080