PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-19:13:00
G08     320.1          11.5                4.3 +/-   28.19      11.6 +/-   28.19  0.090 / 0.080
G10     311.8          56.5                7.4 +/-    1.79       8.7 +/-    1.79  0.060 / 0.070
G14     212.5          15.3               11.0 +/-    1.47      27.2 +/-    1.47  0.220 / 0.400
G15     45.5           20.0                9.6 +/-    1.83      21.0 +/-    1.83  0.190 / 0.340
G20     15.2           63.7                8.0 +/-    0.42       8.8 +/-    0.42  0.030 / 0.040
G21     115.4          69.1               10.3 +/-    0.95      11.0 +/-    0.95  0.040 / 0.030
G24     91.0           29.3               11.7 +/-    1.16      20.9 +/-    1.16  0.110 / 0.120
G27     291.9          37.1                4.1 +/-    1.67       6.2 +/-    1.67  0.120 / 0.130
G32     213.4          40.5               10.3 +/-    0.98      14.8 +/-    0.98  0.260 / 0.510