PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-06:57:50
G01     110.9          23.3                5.5 +/-    2.24      11.2 +/-    2.24  0.040 / 0.050
G07     100.7          60.1                5.9 +/-    0.69       6.7 +/-    0.69  0.040 / 0.060
G08     42.3           22.8                1.6 +/-    1.04       3.4 +/-    1.04  0.080 / 0.130
G09     175.5          17.3                7.0 +/-    1.97      16.5 +/-    1.97  0.070 / 0.130
G11     94.4           41.5                6.1 +/-    0.40       8.7 +/-    0.40  0.050 / 0.090
G13     313.6          24.6                4.0 +/-    2.78       8.0 +/-    2.78  0.060 / 0.090
G17     203.9          35.4                8.0 +/-    1.78      12.7 +/-    1.78  0.040 / 0.080
G19     207.9          10.6               -1.5 +/-   11.76      -4.2 +/-   11.76  0.030 / 0.040
G28     311.2          60.3                4.6 +/-    0.66       5.2 +/-    0.66  0.080 / 0.230
G30     9.8            75.5                5.9 +/-    0.98       6.0 +/-    0.98  0.070 / 0.220