PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-13:58:00
G01     49.7           25.0                6.2 +/-    1.43      12.0 +/-    1.43  0.040 / 0.060
G06     177.0          24.4                7.9 +/-    2.10      15.7 +/-    2.10  0.040 / 0.070
G07     145.3          10.3                6.8 +/-    3.36      18.9 +/-    3.36  0.070 / 0.120
G11     44.7           16.4                5.2 +/-    2.97      12.5 +/-    2.97  0.060 / 0.110
G13     249.9          31.5                7.9 +/-    0.81      13.5 +/-    0.81  0.100 / 0.290
G15     284.5          15.6                6.5 +/-    1.75      16.0 +/-    1.75  0.090 / 0.240
G17     289.8          77.6                7.9 +/-    1.04       8.1 +/-    1.04  0.040 / 0.060
G19     245.4          61.0                8.6 +/-    0.61       9.7 +/-    0.61  0.050 / 0.050
G28     42.0           56.9                6.6 +/-    1.04       7.7 +/-    1.04  0.070 / 0.180
G30     149.4          41.8                8.4 +/-    1.06      11.8 +/-    1.06  0.080 / 0.150