PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-05:12:50
G08     263.3          16.2                9.5 +/-    1.84      23.0 +/-    1.84  0.200 / 0.390
G10     69.5           56.3                4.5 +/-    1.33       5.3 +/-    1.33  0.160 / 0.540
G11     308.3          19.9                7.8 +/-    2.00      17.2 +/-    2.00  0.040 / 0.060
G14     273.5          66.4                6.3 +/-    0.64       6.8 +/-    0.64  0.040 / 0.050
G18     309.8          35.3                5.9 +/-    1.32       9.3 +/-    1.32  0.030 / 0.040
G20     94.4           43.6                6.6 +/-    0.87       9.1 +/-    0.87  0.030 / 0.040
G21     155.6          11.7                3.9 +/-    1.37      10.3 +/-    1.37  0.120 / 0.390
G27     228.4          12.8                8.0 +/-   21.23      21.0 +/-   21.23  0.180 / 0.370
G31     175.6          37.1                8.6 +/-    1.35      13.2 +/-    1.35  0.110 / 0.320
G32     358.8          70.8                6.1 +/-    0.83       6.4 +/-    0.83  0.120 / 0.330