PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-09:13:10
G07     329.5          57.2                5.4 +/-    0.58       6.3 +/-    0.58  0.140 / 0.130
G08     115.1          49.8                6.2 +/-    0.62       7.9 +/-    0.62  0.110 / 0.150
G09     205.1          79.5                4.2 +/-    0.28       4.3 +/-    0.28  0.040 / 0.050
G11     149.5          10.4               -4.4 +/-   13.15     -12.1 +/-   13.15  0.040 / 0.050
G16     45.4           10.6                2.2 +/-    3.50       6.0 +/-    3.50  0.100 / 0.090
G23     152.3          44.4                5.5 +/-    0.56       7.4 +/-    0.56  0.080 / 0.090
G27     61.5           34.5                4.8 +/-    0.96       7.7 +/-    0.96  0.030 / 0.020
G28     231.7          19.0                4.8 +/-    1.77      10.9 +/-    1.77  0.040 / 0.020
G30     297.6          31.7                5.6 +/-    1.64       9.5 +/-    1.64  0.170 / 0.400