PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/15-00:57:50
G01     294.9          39.0                7.8 +/-    1.85      11.5 +/-    1.85  0.060 / 0.130
G03     310.4          12.7                8.7 +/-    1.80      22.8 +/-    1.80  0.050 / 0.140
G10     116.8          32.2                7.5 +/-    0.31      12.5 +/-    0.31  0.050 / 0.130
G11     267.7          27.7                9.1 +/-    1.17      16.8 +/-    1.17  0.060 / 0.110
G14     21.1           60.0                6.7 +/-    0.62       7.6 +/-    0.62  0.060 / 0.100
G22     312.8          34.5                7.5 +/-    1.82      12.0 +/-    1.82  0.050 / 0.080
G25     68.4           18.2                5.7 +/-    0.51      13.2 +/-    0.51  0.020 / 0.020
G31     160.4          74.8                8.6 +/-    1.15       8.9 +/-    1.15  0.030 / 0.030
G32     45.1           46.9                5.5 +/-    0.86       7.3 +/-    0.86  0.050 / 0.060