PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-19:57:30
G02     17.9           66.0                7.6 +/-    0.65       8.2 +/-    0.65  0.060 / 0.070
G05     154.0          50.4                9.3 +/-    0.37      11.7 +/-    0.37  0.060 / 0.080
G06     47.1           25.5                7.9 +/-    1.51      15.2 +/-    1.51  0.040 / 0.050
G12     246.1          79.2                7.7 +/-    0.42       7.8 +/-    0.42  0.040 / 0.050
G19     89.9           15.9                8.4 +/-    2.76      20.5 +/-    2.76  0.210 / 0.300
G24     216.8          11.3                8.5 +/-   13.90      23.1 +/-   13.90  0.290 / 0.470
G25     310.6          43.1                7.3 +/-    0.82      10.1 +/-    0.82  0.090 / 0.220
G29     298.5          20.0                7.1 +/-    1.93      15.6 +/-    1.93  0.100 / 0.220