PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-16:28:00
G02     12.7           68.1                7.1 +/-    0.60       7.6 +/-    0.60  0.080 / 0.070
G05     157.6          49.5               10.7 +/-    0.73      13.5 +/-    0.73  0.060 / 0.070
G06     48.1           24.0                6.4 +/-    0.38      12.8 +/-    0.38  0.040 / 0.040
G12     214.4          77.9                7.8 +/-    0.57       8.0 +/-    0.57  0.040 / 0.050
G19     88.3           20.8                8.3 +/-    1.38      18.0 +/-    1.38  0.330 / 0.490
G24     213.9          10.0                8.3 +/-   16.74      23.1 +/-   16.74  0.230 / 0.570
G25     308.8          46.5                7.0 +/-    1.37       9.2 +/-    1.37  0.070 / 0.130
G29     298.5          18.9                6.1 +/-    1.74      13.8 +/-    1.74  0.060 / 0.120