PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-21:57:50
G10     265.3          37.4               11.1 +/-    0.86      16.9 +/-    0.86  0.100 / 0.170
G13     42.6           19.3                6.1 +/-    1.17      13.6 +/-    1.17  0.090 / 0.140
G15     64.6           53.6                7.4 +/-    0.50       8.9 +/-    0.50  0.050 / 0.050
G16     278.6          13.0                9.2 +/-    2.40      23.9 +/-    2.40  0.060 / 0.050
G20     263.6          21.9                4.7 +/-    1.04       9.8 +/-    1.04  0.130 / 0.440
G21     355.8          70.2                8.1 +/-    1.01       8.6 +/-    1.01  0.110 / 0.350
G24     119.9          13.5               10.3 +/-    1.78      26.7 +/-    1.78  0.140 / 0.330
G27     319.5          17.2                7.3 +/-    1.54      17.2 +/-    1.54  0.130 / 0.340
G29     168.2          34.2                9.6 +/-    0.86      15.5 +/-    0.86  0.070 / 0.260