PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-13:57:40
G01     39.7           13.7                6.9 +/-    3.47      17.7 +/-    3.47  0.150 / 0.310
G06     174.9          42.2                9.3 +/-    0.99      13.1 +/-    0.99  0.160 / 0.340
G13     237.1          20.1                6.1 +/-    2.43      13.4 +/-    2.43  0.120 / 0.120
G15     269.6          11.3                5.7 +/-    2.84      15.4 +/-    2.84  0.080 / 0.130
G17     13.2           66.0                6.7 +/-    0.63       7.3 +/-    0.63  0.200 / 0.260
G19     293.8          71.7                7.3 +/-    0.55       7.6 +/-    0.55  0.220 / 0.230
G24     316.2          20.4                5.9 +/-    2.19      12.8 +/-    2.19  0.080 / 0.210
G28     76.4           44.9                7.9 +/-    1.10      10.7 +/-    1.10  0.090 / 0.270
G30     155.7          25.7                7.9 +/-    1.74      15.1 +/-    1.74  0.020 / 0.020