PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-17:58:10
G08     317.2          14.7                7.4 +/-    2.92      18.6 +/-    2.92  0.230 / 0.490
G10     311.7          56.1                9.5 +/-    1.72      11.2 +/-    1.72  0.200 / 0.340
G14     212.7          20.1               13.4 +/-    2.49      29.4 +/-    2.49  0.060 / 0.090
G15     45.7           22.4                8.0 +/-    2.07      16.6 +/-    2.07  0.070 / 0.130
G20     13.4           64.1                9.6 +/-    0.73      10.6 +/-    0.73  0.040 / 0.040
G21     119.4          65.6               12.7 +/-    0.77      13.8 +/-    0.77  0.040 / 0.040
G24     83.2           28.0               10.8 +/-    1.12      19.7 +/-    1.12  0.060 / 0.080
G27     292.4          36.0               18.6 +/-    2.50      29.0 +/-    2.50  0.060 / 0.070
G32     214.8          40.5               12.3 +/-    1.32      17.8 +/-    1.32  0.190 / 0.320