PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-02:43:00
G01     314.9          25.3                8.7 +/-    2.23      16.8 +/-    2.23  0.110 / 0.320
G10     92.2           48.7                9.8 +/-    0.51      12.6 +/-    0.51  0.140 / 0.200
G11     292.6          27.9                8.8 +/-    2.21      16.0 +/-    2.21  0.090 / 0.170
G14     331.8          70.8                9.4 +/-    0.94       9.9 +/-    0.94  0.080 / 0.150
G18     108.9          23.2                8.8 +/-    1.14      17.8 +/-    1.14  0.030 / 0.030
G22     304.8          16.9                8.3 +/-    2.50      19.7 +/-    2.50  0.030 / 0.030
G25     89.7           12.4                9.3 +/-    2.47      24.6 +/-    2.47  0.160 / 0.450
G31     175.3          50.9               12.3 +/-    0.83      15.4 +/-    0.83  0.150 / 0.440
G32     18.3           62.4                8.9 +/-    0.37       9.9 +/-    0.37  0.040 / 0.050