PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-04:43:00
G08     263.6          16.4                9.0 +/-    1.88      21.5 +/-    1.88  0.330 / 0.380
G10     68.5           56.6                3.1 +/-    0.74       3.6 +/-    0.74  0.190 / 0.350
G11     308.6          19.6                6.8 +/-    2.12      15.1 +/-    2.12  0.120 / 0.330
G14     272.5          66.3                4.2 +/-    0.54       4.6 +/-    0.54  0.110 / 0.300
G18     310.2          34.9                5.5 +/-    1.17       8.8 +/-    1.17  0.090 / 0.460
G20     91.1           47.8                5.7 +/-    0.62       7.3 +/-    0.62  0.120 / 0.390
G21     155.6          12.4                6.1 +/-    2.19      16.2 +/-    2.19  0.040 / 0.050
G27     228.9          13.2                7.4 +/-   24.97      19.2 +/-   24.97  0.040 / 0.060
G31     175.7          36.4                7.7 +/-    0.82      11.9 +/-    0.82  0.210 / 0.430
G32     357.3          71.2                4.4 +/-    0.68       4.6 +/-    0.68  0.190 / 0.380