PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-14:58:10
G02     204.6          36.7               12.4 +/-    2.47      19.1 +/-    2.47  0.080 / 0.080
G06     155.8          72.3               10.1 +/-    1.00      10.6 +/-    1.00  0.060 / 0.090
G12     309.7          17.9                9.2 +/-    2.04      21.3 +/-    2.04  0.090 / 0.180
G17     41.7           44.4                7.4 +/-    0.60      10.0 +/-    0.60  0.130 / 0.130
G19     13.0           61.9                9.4 +/-    0.55      10.5 +/-    0.55  0.030 / 0.050
G24     295.9          38.6               10.5 +/-    0.78      15.6 +/-    0.78  0.030 / 0.070
G28     106.3          28.4                7.9 +/-    0.76      14.2 +/-    0.76  0.030 / 0.030