PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-14:42:40
G02     229.9          68.3                7.3 +/-    0.30       7.8 +/-    0.30  0.060 / 0.090
G05     174.8          10.7               -4.3 +/-   19.07     -11.8 +/-   19.07  0.070 / 0.070
G06     42.5           62.5                8.1 +/-    0.58       9.0 +/-    0.58  0.060 / 0.110
G12     320.9          46.9                7.1 +/-    0.32       9.4 +/-    0.32  0.040 / 0.090
G17     64.8           27.5                7.0 +/-    1.22      13.0 +/-    1.22  0.050 / 0.050
G19     52.8           40.2                8.8 +/-    1.47      12.7 +/-    1.47  0.050 / 0.050
G24     252.3          37.2                8.9 +/-    1.08      13.6 +/-    1.08  0.190 / 0.330
G28     128.0          11.1                8.7 +/-    2.48      23.7 +/-    2.48  0.150 / 0.360