PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-05:43:10
G10     302.6          53.4                5.7 +/-    0.86       6.9 +/-    0.86  0.200 / 0.500
G14     212.0          11.1               -6.1 +/-   17.19     -16.5 +/-   17.19  0.250 / 0.520
G15     45.7           25.4                4.0 +/-    1.42       7.7 +/-    1.42  0.040 / 0.040
G20     31.6           60.0                5.5 +/-    0.34       6.3 +/-    0.34  0.040 / 0.050
G21     106.0          72.3                7.1 +/-    0.76       7.4 +/-    0.76  0.080 / 0.080
G24     93.2           27.7                6.0 +/-    1.32      11.1 +/-    1.32  0.070 / 0.080
G27     296.1          35.7                7.1 +/-    0.85      11.1 +/-    0.85  0.040 / 0.040
G32     211.9          37.3                8.3 +/-    1.39      12.7 +/-    1.39  0.040 / 0.040