PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-22:12:50
G01     316.1          24.0                7.0 +/-    2.18      14.0 +/-    2.18  0.150 / 0.470
G10     90.8           48.3                9.5 +/-    0.58      12.2 +/-    0.58  0.180 / 0.350
G11     294.7          26.6                7.4 +/-    0.97      13.9 +/-    0.97  0.110 / 0.180
G14     321.1          71.1                9.4 +/-    0.92       9.8 +/-    0.92  0.090 / 0.190
G18     294.7          46.7                7.8 +/-    1.22      10.2 +/-    1.22  0.050 / 0.060
G20     111.5          23.6                9.6 +/-    1.23      19.3 +/-    1.23  0.060 / 0.050
G22     304.3          14.9                6.8 +/-    3.19      16.8 +/-    3.19  0.130 / 0.360
G25     91.0           11.4               -5.4 +/-   39.16     -14.7 +/-   39.16  0.120 / 0.430
G31     175.0          49.5               11.3 +/-    1.05      14.3 +/-    1.05  0.080 / 0.190
G32     20.7           61.8                8.4 +/-    0.47       9.4 +/-    0.47  0.080 / 0.180