PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-17:58:10
G08     318.4          13.6                7.6 +/-    2.09      19.6 +/-    2.09  0.110 / 0.340
G10     308.6          55.3                7.1 +/-    1.09       8.4 +/-    1.09  0.140 / 0.280
G14     212.0          18.4                8.9 +/-    1.27      20.4 +/-    1.27  0.140 / 0.350
G15     45.7           24.1                6.9 +/-    2.55      13.7 +/-    2.55  0.150 / 0.280
G20     9.2            64.5                7.6 +/-    0.93       8.3 +/-    0.93  0.090 / 0.110
G21     116.1          67.2               10.1 +/-    0.92      10.9 +/-    0.92  0.090 / 0.130
G24     85.3           27.7                6.9 +/-    2.11      12.6 +/-    2.11  0.030 / 0.030
G27     294.6          35.5                8.6 +/-    3.62      13.4 +/-    3.62  0.030 / 0.040
G32     213.8          38.7                9.9 +/-    1.43      14.7 +/-    1.43  0.090 / 0.040