PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-11:12:40
G07     55.4           68.4                3.0 +/-    0.45       3.3 +/-    0.45  0.070 / 0.080
G08     54.6           44.5                2.5 +/-    0.75       3.4 +/-    0.75  0.060 / 0.090
G09     178.5          39.0                5.2 +/-    1.13       7.7 +/-    1.13  0.040 / 0.050
G11     121.0          35.0                4.8 +/-    0.82       7.6 +/-    0.82  0.040 / 0.050
G13     321.2          11.1               -3.8 +/-   17.15     -10.4 +/-   17.15  0.050 / 0.080
G18     104.7          15.6                3.2 +/-    0.91       7.8 +/-    0.91  0.050 / 0.090
G28     266.7          46.5                6.1 +/-    1.11       8.0 +/-    1.11  0.110 / 0.430
G30     330.7          59.3                3.5 +/-    0.96       4.0 +/-    0.96  0.120 / 0.480