PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-16:42:40
G03     215.8          62.7               12.0 +/-    0.97      13.3 +/-    0.97  0.190 / 0.390
G09     306.5          21.8               10.3 +/-    2.19      21.7 +/-    2.19  0.230 / 0.330
G14     103.7          12.9                8.6 +/-    2.35      22.6 +/-    2.35  0.040 / 0.060
G16     112.2          62.8               12.3 +/-    0.79      13.7 +/-    0.79  0.030 / 0.050
G22     187.6          46.5               12.1 +/-    0.80      15.9 +/-    0.80  0.050 / 0.060
G23     327.4          56.8               10.1 +/-    0.62      11.8 +/-    0.62  0.070 / 0.070
G26     59.5           47.1                9.6 +/-    0.85      12.6 +/-    0.85  0.120 / 0.200
G31     55.9           13.8                6.6 +/-    2.54      17.0 +/-    2.54  0.110 / 0.140