PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-04:57:50
G01     238.6          27.8                6.9 +/-    1.48      12.7 +/-    1.48  0.080 / 0.160
G03     311.3          52.9                6.1 +/-    1.33       7.5 +/-    1.33  0.080 / 0.130
G14     73.4           32.1                5.1 +/-    2.66       8.6 +/-    2.66  0.070 / 0.110
G16     159.6          28.3                8.0 +/-    1.72      14.6 +/-    1.72  0.100 / 0.110
G22     277.2          74.5                7.7 +/-    0.76       7.9 +/-    0.76  0.040 / 0.030
G23     294.9          25.4                6.4 +/-    1.00      12.4 +/-    1.00  0.040 / 0.030
G26     127.5          46.6                9.4 +/-    0.56      12.4 +/-    0.56  0.080 / 0.120
G31     40.0           48.5                6.4 +/-    0.75       8.3 +/-    0.75  0.090 / 0.130
G32     86.4           17.6                7.7 +/-    1.69      17.9 +/-    1.69  0.040 / 0.050